Consulta: subjectFacets:"Pathology"
Registros recuperados: 142
Data/hora: 10/06/2024 10:25:20

Osteopatologias e alterações dentárias em Otaria byronia (Pinnipedia, Otariidae) da costa do Rio Grande do Sul, Brasil
Provedor de dados: 76
Autores: Braunn,Patrícia Rodrigues; Ferigolo,Jorge.
Bone diseases and tooth alterations in 47 specimens of Otaria byronia (Blainville, 1820), from southern Brazilian coast, were analized. Tooth wear and the associated bone pathologies were determined, as well as their percentuals. The main infection was osteomyelitis associated with tooth alterations, such as fractures and attrition, both of them exposing the pulp chamber. Tooth attrition increases with age, favoring fractures and their complications, including osteomyelitis, causing a high frequency of them in specimens presenting more pronounced tooth wear. In one specimen tuberculosis was found in the maxilla, perhaps primarily pulmonary. The high frequency of enamel hypoplasia might reflect cyclic food deficit. Infections and tooth fractures might be...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Otaria; Pathology; Tooth lesions; Enamel hypoplasia.
Ano: 2004
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0073-47212004000200001

Osteological alterations in the tucuxi Sotalia fluviatilis (cetacea, delphinidae)
Provedor de dados: 76
Autores: Fettuccia,Daniela de C.; Silva,Vera M. F. da; Simões-Lopes,Paulo C.
We present a description of osteological alterations observed in the tucuxi, Sotalia fluviatilis (Gervais, 1853) from a sample of 43 specimens. Fractures were the most frequent alterations in the sample (16%), occurring in various regions of the skeleton such as the ribs, hyoid apparatus, transverse and neural processes of vertebrae and scapula. We observed three individuals with ankylosis between the cervical vertebrae and two individuals with morphological changes (cranio-caudally elongated hemal arch and flattened cranial margin of the scapula). The only observed pathology was a case of osteomyelitis in the left dentary, which caused the loss of teeth, deformation of the associated alveoli and the formation of a medial fistula (lingual) for drainage of...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Pathology; Bone fractures; Ankylosis; Osteomyelitis.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0073-47212013000300007

Eficácia de três vermífugos contra a verminose gastrointestinal dos caprinos.
Provedor de dados: 14
Autores: CHARLES, T. N. P.; POMPEU, J.; MIRANDA, D. B. de.
Testes feitos no Campo Experimental de Mandacaru da Caatinga do CPATSA, para verificar a eficácia dos vermífugos usados contra verminose gastrointestinal dos caprinos. O teste foi direcionado a verminose causada por vermes redondos (nematodeos) uma vez que as infecções causadas por vermes chatos (cestiodeos) e verme em forma de folha (trematodeos) são de pouca importância nas regiões secas.
Tipo: Comunicado Técnico (INFOTECA-E)
Palavras-chave: Patologia animal; Vermífugo; Gastrointestinal; Verme; Control; Pathology; Caprine.; Caprino; Parasitose; Verminose.; Sheep.
Ano: 1989
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/131764

Prevenção e tratamento das doenças dos caprinos.
Provedor de dados: 14
Autores: PADILHA, T. N.
Trata sobre algumas orientações das doenças dos caprinos: como prevenir e tratar as doenças dos caprinos; outros cuidados para evitar doenças nas criações.
Tipo: Documentos (INFOTECA-E)
Palavras-chave: Prevenção; Pathology; Prevention; Treatment; Goat.; Caprino; Doença; Tratamento.
Ano: 1986
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/132771

DEDUCTION : A research project for shrimp farming sustainability in New-Caledonia
Provedor de dados: 5
Autores: Beliaeff, Benoit; Chim, Liet; Della Patrona, Luc; Goyard, Emmanuel; Herlin, Jose; Labreuche, Yannick; Walling, Emilie; Ansquer, Dominique; Brun, Pierre; Castex, Mathieu; Coatanea, Denis; Courties, Claude; De Lorgeril, Julien; Dufour, Robert; Frappier, Julie; Goarant, Cyrille; Huber, Matthias; Lemaire, Pierrette; Lemonnier, Hugues; Loubersac, Lionel; Le Roux, Frederique; Lucas, Ronan; Patrois, Jacques; Peignon, Jean-marie; Pham, Dominique; Ramage, Yannick; Soulard, Benoit; Vic, Marlene; Vourey, Elodie; Wabete, Nelly.
New Caledonian shrimp farming feasibility studies started in the mid-seventies. Today ca. 2000 tons of Litopenaeus stylirostris, introduced in 1978, are semi-intensively produced each year. Since fifteen years, production has been impacted by two seasonal vibriosis, the “Summer” syndrome caused by Vibrio nigripulchritudo in relation to pond bottom and water column quality, and the “Winter Syndrome” caused by Vibrio penaeicida in relation to drastic temperature drops . With the ambition of elucidating processes possibly leading to mortality outbreaks in ponds, Ifremer has been conducting a research program since 2003 under the DESANS project (2003-2006) and the present DEDUCTION project, equally funded by the South and North Provinces and by the Government...
Tipo: Text
Palavras-chave: Shrimp farming; Technical and scientific support; Vibriosis; Water quality; Pathology; Ecophysiology; Genetics; Zoosanitary monitoring and procedures; Multifactorial and multidisciplinary approach.
Ano: 2009
URL: http://archimer.ifremer.fr/doc/00143/25438/23591.pdf

Use of molecular tools for mollusc disease diagnosis
Provedor de dados: 5
Autores: Berthe, Franck; Burreson, Eugene; Hine, Mike.
Recently, an increasing number of research teams are engaged in developing DNA-based diagnostic techniques for mollusc pathogens. These techniques are slowly moving from development in specialised laboratories for research purposes, to routine application and are expected to find an increasing use in routine disease monitoring programs in mollusc aquaculture and in efforts to prevent the spread of pathogens within and between nations. Considering the probable development and interest in these diagnostic techniques, the potential for wide applications in aquaculture and the inherent problems currently associated with their use, it appears necessary to address these issues.
Tipo: Text
Palavras-chave: Molecular tools; Mollusc disease; Diagnosis; Pathology.
Ano: 1999
URL: http://archimer.ifremer.fr/doc/1999/publication-3291.pdf

Diagnosis of oyster herpes-like virus: development and validation of molecular, immunological and cellular tools "VINO" - Final Report 4th January 1999 to 3rd January 2002
Provedor de dados: 5
Autores: Renault, Tristan; Davison, Andrew; Xhonneux, Florence; Dorange, Germaine; Culloty, Sarah; Novoa, Beatriz; Dixon, Peter.
Little information is available on viral infections that affect bivalve molluscs. Such a lack of data is due ta a certain inadequacy of the diagnosis methods that are employed when massive mortality events occur. Most laboratories involved in mollusc pathology still analyse samples through light microscopy. World-wide, there is thus currently a lack of information concerning the occurrence of bivalve herpesvituses. This is probably due to the lack of suitable diagnostic tools. The basic method for identification and examination of suspect samples is predominantly histopathology. This enables the identification of any cellular changes, but is not conclusive identification of bivalve herpesviruses. This technique doesn't allow, by itself, to detect viruses...
Tipo: Text
Palavras-chave: Pathology; Virology; Diagnosis; Herpes like virus; Validation molecular; Detection; Herpesviridae; OsHV-1; Diagnostic techniques; Oysters.
Ano: 2002
URL: http://archimer.ifremer.fr/doc/00044/15525/12912.pdf

Les maladies des mollusques : étiologie et progrès récents des recherches
Provedor de dados: 5
Autores: Grizel, Henri.
Recent research in mollusc pathology has enabled different pathogens of the large systematlc groups to be described. The main microorganisms and Protozoans are enumerated showing the economic incidence of the deseases on mollusc production. We also mention recent results obtained in the laborarory for dlfferent purified organisms. Finally, we review advances in cell culture giving an example of the application of these techniques experimental pathogenesis.
Tipo: Text
Palavras-chave: Pathogens; Pathology; Molluscs; Agents pathogènes; Pathologie; Mollusques.
Ano: 1987
URL: http://archimer.ifremer.fr/doc/1987/publication-3105.pdf

Bilan 2004 du réseau REPAMO - Réseau national de surveillance zoosanitaire des mollusques marins
Provedor de dados: 5
Autores: Garcia, Celine; Arzul, Isabelle; Chollet, Bruno; Francois, Cyrille; Goubet, Anne; Joly, Jean-pierre; Miossec, Laurence; Robert, Maeva; Cuvelier, Nicolas; Lefebvre, Alain; Le Gagneur, Eric; Ropert, Michel; Mouillard, Gilbert; Gerla, Daniel; Le Gal, Dominique; Rocher, Gregory; Langlade, Aime; Bedier, Edouard; Nourry, Max; Martin, Jean-louis; Costantini, Louis; Masson, Jean-claude; Martin, Anne-genevieve.
Created in 1986, the REPAMO network (Network of mollusc pathology), is a national zoosanitary surveillance network of shellfish health status along the French coasts. Its activities are in keeping with two European Directives, 91 /67/EEC and 95/70/EC and are a patt of the institutional tasks ofIfremer. The aims of the network are to prevent the introduction and spread of exotic pathogens and to survey the evolution of notifiable pathogens already present in France. The network focused on the survey of listed diseases (bonamiosis and marteiliosis of flat oyster) in two areas under agreement process (Banc de Granville and zone X). In 2004, no sample couId be analysed to these two areas because of the difficulty to obtain flat oysters (sparse oyster beds,...
Tipo: Text
Palavras-chave: Réseau; Surveillance; Pathologie; Mollusques; Coquillages; Etat de santé; Network; Surveillance; Pathology; Molluscs; Shellfish; Health status.
Ano: 2005
URL: http://archimer.ifremer.fr/doc/00086/19702/17343.pdf

Diagnosis of oyster herpes-like virus: development and validation of molecular, immunological and cellular tools "VINO" - First Periodic Progress Report 4th January 1999 to 3rd January 2000
Provedor de dados: 5
Autores: Renault, Tristan; Davison, Andrew; Xhonneux, Florence; Dorange, Germaine; Culloty, Sarah; Novoa, Beatriz; Dixon, Peter.
The aim of the programme is to develop specific tools for diagnosing herpes-like virus infections in bivalves and to validate these reagents by using them in different European laboratories involved in shellfish epidemiological surveys. This will done using techniques developed by the partners to characterise viruses by studying their genomes and immunologically reactive proteins, to cultivate oyster cells and vertebrate cell lines and to perform epidemiological surveys among bivalves. The programme objectives are: 1 - Obtaining the complete oyster herpes-like virus DNA sequence with determination of the genome structure. 2 - Comparing oyster herpes-like viruses with other viruses belonging to the Helpesviridae family on the basis of sequence data and...
Tipo: Text
Palavras-chave: Pathology; Diagnosis; Oyster; Herpes like virus; Herpesviridae; Immunology; Detection; Virus; Bivalves.
Ano: 2000
URL: http://archimer.ifremer.fr/doc/00044/15523/12910.pdf

Réseau de Pathologie des Mollusques - Secteurs Nord-Loire - Année 1999. Bilan des travaux de la cellule zoosanitaire de La Trinité-sur-Mer
Provedor de dados: 5
Autores: Martin, Anne-genevieve; Tige, Gilbert; Hirata, Toshio; Le Coguic, Yvette; Chollet, Bruno; Robert, Maeva; Thebault, Anne.
Within the context of the mollusc pathology monitoring network, this report assesses the follow-up and work done by the zoosanitary unit of Trinité-sur-Mer on the whole of the French farming and bed areas of the North Loire for the year 1999.
Tipo: Text
Palavras-chave: Herpes virus; Pathology; Mortality; Britanny (France); Normandy; Clam; Abalone; Cockle; Mussel; Pacific cupped oyster; European flat oyster; Herpès virus; Pathologie; Mortalité; Bretagne; Normandie; Naissain; Palourde; Ormeau; Coque; Moule; Huître creuse; Huître plate.
Ano: 2000
URL: http://archimer.ifremer.fr/doc/2000/rapport-1921.pdf

Essai de culture de l'huître plate Ostrea edulis dans le bassin d'Arcachon. Résultats préliminaires
Provedor de dados: 5
Autores: Robert, Rene; Pichot, Yves; Comps, Michel.
From 1988 to 1989, a study has been conducted pertaining to the growth of the flat oyster Ostrea edulis, as well as Marteilia refringens and Bonamia ostreae outbreaks.  Commercial mono specific farming (flat oysters), with low density or mixed (flat and hollow oysters) along with higher density, has been taking place in the Arcachon basin oceanographic sectors, where main hydrobiological parameters were acquired simultaneously.   The excellent growth of the flat oyster was witnessed in mono specific farming. However this growth was average in mixed farming, probably due to higher total oyster density and interspecies competition. Regardless of the type of farming, Marteilia refringens infection was very quick and may have been related to climatic bay water...
Tipo: Text
Palavras-chave: Basin of Arcachon; Pathology; Bonamia ostreae; Marteilia refringens; Growth; Ostrea edulis; Bassin d'Arcachon; Pathologie; Bonamia ostreae; Marteilia refringens; Croissance; Ostrea edulis.
Ano: 1990
URL: http://archimer.ifremer.fr/doc/1990/rapport-1592.pdf

Recommendations for evaluation of the health status in cultured and wild shellfish: Perkinsus olseni infestation in clams as an example
Provedor de dados: 5
Autores: Miossec, Laurence; Arzul, Isabelle; Garcia, Celine; Soudant, Philippe; Francois, Cyrille; Leite, R. B.; Cancela, M. L.; De Blas, I.
Infectious diseases in exploited shellfish population cause economical problems world-wide. The characteristics of the disease in the population -i.e. origin, frequency, distribution, development- need to be well known to set up appropriate measures for protection and restoration of shellfish population health. The investigation of disease in a population is the basis of epidemiology. Quantitative investigations include studies, survey, surveillance with specific sampling strategies according to the objectives. European clams (Ruditapes decussatus) and Manila clams (Ruditapes philippinarum), two commercially valuable species, are infected by the protozoan Perkinsus olseni. This pathogen has been associated with epizootic outbreaks involving in heavy...
Tipo: Text
Palavras-chave: Recommendations; Epidemiology; Aquatic animal diseases; Pathology; Perkinsus olseni.
Ano: 2005
URL: http://archimer.ifremer.fr/doc/2005/acte-3326.pdf

L'adaptation ecophysiologique et sanitaire de l'ecrevisse turque Astacus leptodactylus a des milieux saumatres: Contribution a l'astaciculture
Provedor de dados: 5
Autores: Barbe, D; Lautier, J; Vernet, G; Vey, A.
This influence of salt media on different aspects of biological cycle and on most common pathogenic agents of Turkish freshwater crayfish Astacus leptodactylus is investigated survival and growing of juveniles O super(+) and intermediary individuals 1 super(+) are also studied. Total osmotic metabolism and reproduction, have been recorded. It appears that youngest individuals are particularly sensitive to low salinities (7 ppt.). Intermediary ones are more resistant nevertheless salinity does not improve neither survival nor growing. Copulation, laying and pleopod egg fixation are particularly affected by salt waters. The only promising application of salinity parameter on astaciculture could be whether prophylactic or curative treatment with concentrated...
Tipo: Text
Palavras-chave: Astacus leptodactylus; Malacostraca; Infectious diseases; Sexual reproduction; Growth; Mortality; Survival; Osmotic adaptations; Crayfish culture; Pathology; Metabolism; Salinity; Ecophysiology; Astaciculture; Régulation osmotique; Reproduction; Survie; Croissance; Pathologie; Ecophysiologie; Salinité; Astacus leptodactylus; Ecrevisse.
Ano: 1983
URL: http://archimer.ifremer.fr/doc/1983/acte-1185.pdf

Marine finfish pathology: Specific problems and research in the French West Indies
Provedor de dados: 5
Autores: Gallet Desaint Aurin, D; Raymond, J; Vianas, Viviane.
The finfish species reared in marine intensive conditions in the French Caribbean Islands are imported (European seabass, American red drum and Oreochromis hybrids) or local (Carangids and Lutjanids) species. The European seabass (Dicentrarchus labrax ) is susceptible, during its first year of life, to a contagious disease characterized by whirling and hyperexcitability, associated with severe lesions of the brain, viral particles being pointed out in the damaged nervous cells.
Tipo: Text
Palavras-chave: Growth; Hatcheries; Nutrient deficiency; Nutritional requirements; Pathology; Parasitic diseases; Fish culture.
Ano: 1989
URL: http://archimer.ifremer.fr/doc/1989/acte-1478.pdf

Analyse bibliographique: historique de l'huître plate, Ostrea edulis, et la Bonamiose, maladie due au protozoaire Bonamia ostreae
Provedor de dados: 5
Autores: Cochennec-laureau, Nathalie.
Oyster productions represent an important part of the french aquaculture. However, diseases are considered as the first limiting factors for the development of this activity around the world. Two exemples point out this problem for the french flat oyster production: Marteiliosis, the disease of the digestive gland, caused by Marteilia refringens, and Bonamiosis, the hemocytic disease, caused by Bonamia ostreae. This report proposes a bibliography analysis of major results obtained for Bonamiosis studies.
Tipo: Text
Palavras-chave: Huître plate; Ostrea edulis; Bonamia ostreae; Bonamiose; Pathologie; European flat oyster; Oslrea edulis; Bonamia ostreae; Bonamiosis; Pathology.
Ano: 2002
URL: http://archimer.ifremer.fr/doc/00105/21661/19242.pdf

Development and validation of DNA-based diagnostic techniques with particular reference to bivalve mollusc pathogens
Provedor de dados: 5
Autores: Berthe, Franck.
The International Aquatic Animal Health Code of the OIE (the World Organization for Animal Health) includes serious pathogens that have been causing important losses in the mollusc aquaculture industry throughout the world. This list also meets the ones established by the European Union regulation.
Tipo: Text
Palavras-chave: Pathogens; Techniques; Diagnostics; Pathology; Molluscs.
Ano: 1999
URL: http://archimer.ifremer.fr/doc/1999/acte-3213.pdf

Plan de relance de l'huître plate Ostrea edulis L.. Travaux 1985.
Provedor de dados: 5
Autores: IFREMER.
La situation épidémiologique due à Bonamia ostreae n'a pas évoluée au cours de 1985. Les élevages réalisés dans le cadre du plan de relance ont confirmé la très faible propagation du parasite,en eau profonde, jusqu'à l'âge de deux ans. Des résultats encourageants ont également été obtenus avec des huîtres plus âgées. Les essais d'acclimatation effectués avec Ostrea angasi ont permis de constater la réceptivité de cette huître aux deux Protozooses mais également sa sensibilité à une Haplosporidie. L'étude de cette dernière et d'une Haplosporidie sp. trouvée chez des huîtres plates de Méditerranée a été réalisée en microscopie électronique. Les techniques d'isolement et de purification de Marteilia refringens ont été adaptées à d'autres Protozoaires. Des...
Tipo: Text
Palavras-chave: Ostréa edulis; Pathologie; Elevages; Acclimatation; Ostrea edulis; Pathology; Breeding; Acclimatation.
Ano: 1985
URL: http://archimer.ifremer.fr/doc/00102/21328/18951.pdf

Relance de l'huître plate. Rapport d'avancement des travaux. Année 1992
Provedor de dados: 5
Autores: Martin, Anne-genevieve.
A revival program for the European flat oyster Ostrea edulis was initiated in Brittany in 1984 and funded by regional and national agencies. Since then, the research programs were carried out and the 1992 results are presented in this report. Disease status and spat settlement trends are described within each breeding area as well as advances in management practices and genetic research.
Tipo: Text
Palavras-chave: Bivalves; Ostrea edulis; Bonamia ostreae; Marteilia refringens; Epidemiologie; Pathologie; Génétique; Echantillonnage; Elevage; Shellfish; Ostrea edulis; Bonamia ostreae; Marteilia refringens; Epidemiology; Pathology; Genetic; Sampling; Breeding.
Ano: 1993
URL: http://archimer.ifremer.fr/doc/00427/53823/54814.pdf

Sur l'utilisation des criteres comportementaux pour determiner l'etat de sante et l'evolution probable des elevages de poissons marins. 1: Cas des prelarves et des larves de Diplodus sargus, Sparus aurata, Puntazzo puntazzo, Lithognatus mormyrus
Provedor de dados: 5
Autores: Kentouri, M; Divanach, P.
In aquaculture and particularly during fish larval rearing when the time between moment of stress application and the non-return point acquisition is very limited, criteria which may provide health state and stock evolution are of great importance. Now, in stress responce chronology, the specific behavioral scheme modification is first noted. This early identification, associated with initial conditions restoration, generaly do not involve after effects. Ethological knowledge beeing the basis of this for-casting strategy, the authors define in this study a simplified behavioral scheme of four sparid larval species in a range of physiological conditions.
Tipo: Text
Palavras-chave: Lithognathus mormyrus; Puntazzo puntazzo; Sparus aurata; Diplodus sargus; Sparidae; Pisces; Prediction; Biological stress; Ethology; Fish larvae; Pathology.
Ano: 1983
URL: http://archimer.ifremer.fr/doc/1983/acte-1255.pdf

Oyster culture in European countries
Provedor de dados: 5
Autores: Heral, Maurice; Deslous-paoli, Jean-marc.
Three species of oysters have been or are cultivated in Europe: Crassostrea angulata, C. gigas, and Ostrea edulis. If we follow the taxonomic critera of Grassé,  the European oysters belong to the group of Mollusca, class of Lamellibranchia or Bivalves, order of Filibranchia, family Ostreidae with two genera: C. angulata (Lamarck), Portuguese, cupped oyster; C. gigas, (Thunberg), Japanese or Pacific, cupped oyster; Ostrea edulis (Linné), fiat European oyster.  Some authors think that C. gigas and C. angulata belong to the same species. lndeed, Ranson stated that the characteristics of the larvae are the same, and Menzel obtained viable hybrids (F2) between these two oysters. AIso, Buroker et al. in studying the genetic variations of proteins and enzymes of...
Tipo: Text
Palavras-chave: European countries; Pathology; Methods of culture; Recruitment; Fishery; Salinity and temperature tolerances; Larval development; Growh; Biology; Oyster culture.
Ano: 1991
URL: http://archimer.ifremer.fr/doc/1991/publication-3038.pdf

Growth and mortality of the European oyster Ostrea edulis in the Bay of Arcachon (France)
Provedor de dados: 5
Autores: Robert, René; Borel, Michel; Pichot, Yves; Trut, Gilles.
A study of the growth and mortality of the European oyster Ostrea edulis , including the effects of Marteilia refringens and Bonamia ostreae , was carried out in three oceanic areas in the Bay of Arcachon from May 1989 to February 1991. One-year-old spat, free from disease were used for the trials. Six months after beginning the trials, Marteilia refringens had severely infested the cultures. Although Bonamia ostreae was found during the first year, the rate of infestation was low. In the second year bonamiasis increased and high mortality (&gt; 60%) occurred in Ostrea edulis populations. Although the growth of the oysters was good, their condition index was generally poor. Moreover, shell perforations by Polydora sp. were observed. The influence of...
Tipo: Text
Palavras-chave: Ostrea edulis; Pathologie; Mortalité; Croissance; Reproduction; Composition biochimique; Bassin Arcachon; Ostrea edulis; Pathology; Mortality; Growth; Reproduction; Gross biochemical composition; Bay of Arcachon.
Ano: 1991
URL: http://archimer.ifremer.fr/doc/00015/12600/9477.pdf

Project ROMEO : E. C. n° FA-S2 9052 - Research objectives : Mortality in European Oysters - Final Report
Provedor de dados: 5
Autores: Renault, Tristan; Arzul, Isabelle.
Crassostrea gigas is increasingly being cultured in a great number of countries from animaIs originally introduced from Japan, and is one of the most exploited bivalve species in the EU (FAO, 1989). Although no serious pathogen was detected previously in Japanese oysters in Europe, mortalities have been observed since the introduction of this bivalve species into the EU. Thus, oyster cultivation may be endangered by the occurrence of epizootics, especially virus diseases, which are considered one of the maj or risks to production. Indeed, mortalities have been described among different species of ostreids and are associated with the presence of viruses belonging to various families. The first description of a virus was reported in adult Eastern oyters,...
Tipo: Text
Palavras-chave: Pathology; Virology; Herpes-like infection; Detection; Diagnosis; Herpesviridae; Oyster; Crassostrea gigas; Mortality.
Ano: 2000
URL: http://archimer.ifremer.fr/doc/00044/15536/12915.pdf

Relance de l'huître plate, Ostrea edulis. Bilan des travaux réalisés en 1993
Provedor de dados: 5
Autores: Martin, Anne-genevieve.
A revival program for the European flat oyster Ostrea edulis was initiated in Brittany in 1984 and funded by regional and national agencies. Since then, the research programs were carried out and the 1993 results are presented in this report. Disease status and spat settlement trends are described within each breeding area as weil as advances in genetic research.
Tipo: Text
Palavras-chave: Bivalves; Ostrea edulis; Bonamia ostreae; Marteilia refringens; Epidemiologie; Pathologie; Génétique; Echantillonnage; Elevage; Bivalves; Ostrea edulis; Bonamia ostreae; Marteilia refringens; Epidemiology; Pathology; Genetic; Sampling; Breeding.
Ano: 1994
URL: http://archimer.ifremer.fr/doc/00427/53822/54813.pdf

Bonamiasis : a model study of diseases in marine molluscs
Provedor de dados: 5
Autores: Grizel, Henri; Mialhe, Eric; Chagot, Dominique; Boulo, Viviane; Bachere, Evelyne.
Research on bonamiasis, an epizootic disease of the edible oyster Ostrea edu/is caused by the protozoan Bonamia ostreae, is discussed in relation to oyster fanning, research technology, epizootiology, and management. Morphological and infectious characteristics of the parasite are described. Recent progress in isolation and purification of the parasite have permitted investigations into host defense mechanisms, parasite infectivity, and the development of a mol1usc-pathogen mode!.
Tipo: Text
Palavras-chave: Epizootic disease; Pathology; Protozoan; Bonamia ostreae; Oysters.
Ano: 1988
URL: http://archimer.ifremer.fr/doc/1988/publication-3120.pdf

An infection of Ruditapes decussatus (Bivalvia) by Rickettsia
Provedor de dados: 5
Autores: Mialhe, Eric; Chagot, Dominique; Boulo, Viviane; Comps, Michel; Ruano, Francisco; Grizel, Henri.
The authors report the presence of a Rickettsia in Ruditapes decussatus from natural populations of the Algarve (Portugal). Light microscopic shows infections of varying importance in gill tissues. Some enclose small procaryotic colonies (cp) scattered in all lamellae; in others, the colonies are scarce and hypertrophic (100 mu m). These different pictures suggest an amplification process. Digestive diverticulae may also be infected, but to a lesser extent. The ultrastructural features of this intravacuolar (mvd: densified vacuolar membrane) procaryote (P) and its multiplication by scission without a complex developmental cycle allows its classification in the order Rickettsiales.
Tipo: Text
Palavras-chave: Ruditapes philippinarum; Pathogens; Histopathology; Pathology.
Ano: 1987
URL: http://archimer.ifremer.fr/doc/1987/acte-3107.pdf

Bonamia ostreae and Ostrea edulis : a stable host-parasite system in France?
Provedor de dados: 5
Autores: Arzul, Isabelle; Miossec, Laurence; Blanchet, Estelle; Garcia, Celine; Francois, Cyrille; Joly, Jean-pierre.
Bonamiosis due to the intrahaemocytic protistan parasite Bonamia ostreae is a European endemic disease affecting flat oysters Ostrea edulis. After its first description in June 1979 in L'Ile Tudy, Brittany, the parasite rapidly spread to all French oyster farming areas and in other European countries through transfers of live molluscs. Bonamiosis and marteiliosis, another protozoan disease appeared in the seventies, drastically reduced the French flat oyster production from 20 000 tonnes in 1970 to less than 2000 tonnes after 1981. In 2001, about 1650 t of flat oysters were marketed in France. The production is restricted to several areas specialised in reproduction, growth and/or marketing, and depends on transfers of animals. Most important production...
Tipo: Text
Palavras-chave: Bonamia ostreae; Parasitology; Pathology; Ostrea edulis; Oyster.
Ano: 2006
URL: http://archimer.ifremer.fr/doc/2006/acte-6381.pdf

Contribution à l'étude de mollusques marins : Iridovirus-like et Herpèsvirus-like. Description, caractérisation biochimique, cycle de multiplication viral, diagnostic et étude épidémiologique
Provedor de dados: 5
Autores: Renault, Tristan; Le Deuff, Rose-marie; Cochennec, Nathalie; Chollet, Bruno; Maffart, Patricia.
Among the marine molluscs, Pacifie oyster, Crassostrea gigas, is actually the most reared specie in the world. Noticely in France, where it was imported between 1960 and 1970, and replaced by Portuguese oyster, Crassostrea angulata, which specie was decimated during this period because of iridoviruses. Uncontroled introductions of new species may however be hazardous. Indeed, they might be responsible for the appearance and the dissemination of new diseases of bivalve molluscs in importing country. In addition to these observations, the quasi monobreeding of Pacific oyster in France enhances the necessity to develop research concerning the diagnosis of pathologies affecting this specie, namely the diagnosis of viral diseases. Several families of viruses...
Tipo: Text
Palavras-chave: Mollusques; Crassostrea gigas; Pathologie; Iridovirus; Herpèsvirus; Diagnostic; Molluscs; Crassostrea gigas; Pathology; Iridovirus; Herpesvirus; Diagnosis.
Ano: 1993
URL: http://archimer.ifremer.fr/doc/00041/15230/12548.pdf

Effects of temperature and salinity on the survival of Bonamia ostreae parasite infecting falt oyster Ostrea edulis in sea water
Provedor de dados: 5
Autores: Arzul, Isabelle; Bond, Celine; Gagnaire, Beatrice; Chollet, Bruno; Morga, Benjamin; Ferrand, Sylvie; Robert, Maeva; Renault, Tristan.
Bonamiosis due to the intrahaemocytic protistan parasite Bonamia ostreae is a European endemic disease affecting flat oysters Ostrea edulis. The parasite has been described in different ecosystems from estuaries to open sea and no clear correlations could be demonstrated between the development of the disease and environmental parameters such as temperature or salinity. The parasite life cycle, including its survival outside the host is not completely known. Nevertheless, the infection can be directly transmitted by cohabitation between infected and non infected oysters suggesting that the parasite does not need intermediate host to complete its cycle. In the present study, the impact of temperature and salinity on the survival of purified parasites...
Tipo: Text
Palavras-chave: Effects; Temperarature; Salinity; Bonamia ostreae; Parasite; Pathology; Flat oyster; Ostrea edulis; Oyster.
Ano: 2007
URL: http://archimer.ifremer.fr/doc/2007/acte-3375.pdf

Virus-like particles in pearl oyster Pinctada margaritifera
Provedor de dados: 5
Autores: Comps, Michel; Herbaut, Ch.; Fougerouse, A.
Virus-like particles were detected in granulomas associated with focal necrosis within the adductor muscle of the pearl oyster Pinctada margaritifera from French Polynesia. About 40 nm in size, the se particles were generally found within cytoplasmic vesic1es inside heavily degenerated granulocytes. More studies are required to further characterize them.
Tipo: Text
Palavras-chave: Pinctada margaritifera; Pathology; Pearl oyster; Virus like.
Ano: 1999
URL: http://archimer.ifremer.fr/doc/1999/publication-6079.PDF

Study of a haplosporidian (Ascetospora), parasitizing the Australian flat oyster Ostrea angasi
Provedor de dados: 5
Autores: Bachere, Evelyne; Chagot, Dominique; Tige, Gilbert; Grizel, Henri.
Considering the epizootics which affect the French stock of flat oysters, Ostrea edulis (Grizel, 1985), trials to introduce an Australian oyster, Ostrea angasi, have been undertaken. The spat produced in a hatchery from breeders imported from Australia were reared in the south ofBrittany and in Normandy (Bougrier et al., 1986). Following mass mortalities (65% of individuals) a haplosporidian was observed in this species. Sporogenesis of the parasite was studied using Iight and electron microscopy.
Tipo: Text
Palavras-chave: Haplosporidian; Parasitology; Pathology; Ostrea angasi; Oysters.
Ano: 1986
URL: http://archimer.ifremer.fr/doc/1986/acte-3112.pdf

Facteurs de mortalité observés chez les tortues marines dans le golfe de Gascogne
Provedor de dados: 5
Autores: Duguy, R; Moriniere, P; Le Milinaire, C.
Factors of mortality in marine turtles near the French coast of the Bay of Biscay have been recorded for four species: leatherback (Dermochelys coriacea), loggerhead (Caretta caretta), Ridley's turtle (Lepidochelys kempii) and green turtle (Chelonia mydas). Most accidental captures of D. coriacea by fishing gears lead to drowning, but the main threat for the species is the ingestion of floating waste. Plastic bags induce occlusion or lesions in the stomach and subsequent death. For C. caretta, L. kempii and C. mydas, the pathology points out mainly two features: external or internal mycosis.
Tipo: Text
Palavras-chave: Chélonien; Tortue marine; Pathologie; Pollution; Golfe de Gascogne; Chelonian; Marine turtle; Pathology; Pollution; Bay of Biscay.
Ano: 1998
URL: http://archimer.ifremer.fr/doc/00326/43693/43236.pdf

Diagnosis of oyster herpes-like virus: development and validation of molecular, immunological and cellular tools "VINO" Third Periodic Progress Report : 4th January 2001 to 3rd January 2002
Provedor de dados: 5
Autores: Renault, Tristan; Davison, Andrew; Xhonneux, Florence; Dorange, Germaine; Culloty, Sarah; Novoa, Beatriz; Dixon, Peter.
Herpesvirus infections have been reported in different bivalves species around the world. Specific diagnostic tools are needed in order ta assess the causative raIe of these agents in mortalities observed among bivalves There is currently a lack of information concerning the occurrence of bivalve herpesviruses. This is probably due ta the lack of suitable diagnostic tools. The basic method for examination of bivalve samples is predominantly histology. This enables the identification of any cellular changes, but is not conclusive for virus identification. Transmission electron microscopy is a necessity for visual confirmation of viral infections. However, histology and electron microscopy are time consuming and inadequate for epidemiological studies. The...
Tipo: Text
Palavras-chave: Pathology; Virology; Diagnosis; Herpes like virus; Virus; Oyster; Detection; OsHV-1; Herpesviridae.
Ano: 2002
URL: http://archimer.ifremer.fr/doc/00044/15524/12911.pdf

Bilan des travaux de la cellule zoosanitaire de La Trinité Sur Mer. Réseau de Pathologie des Mollusques.  Secteurs Nord-Loire. Année 1998
Provedor de dados: 5
Autores: Martin, Anne-genevieve; Tige, Gilbert; Hirata, Toshio; Kuntz, Gregoire; Le Coguic, Yvette.
Within the context of the mollusc pathology monitoring network, this report assesses the follow-up and work done by the zoosanitary unit of Trinité-sur-Mer on the whole of the French farming and bed areas of the North Loire for the year 1998.
Tipo: Text
Palavras-chave: Herpes virus; Pathology; Mortality; Britanny (France); Normandy; Clam; Abalone; Cockle; Mussel; Pacific cupped oyster; European flat oyster; Herpès virus; Pathologie; Mortalité; Bretagne; Normandie; Naissain; Palourde; Ormeau; Coque; Moule; Huître creuse; Huître plate.
Ano: 1999
URL: http://archimer.ifremer.fr/doc/1999/rapport-1920.pdf

Relance de l'huître plate. Rapport d'avancement des travaux 1988.
Provedor de dados: 5
Autores: IFREMER (LA TRINITE/MER - LA TREMBLADE).
Un contrat de Plan État-Région Bretagne a été signé en 1983 pour financer des recherches sur la période 1984-1988 dans le but de permettre la relance de l'élevage de l'huître plate, à la suite de la deuxième épizootie due à un protozaire, Bonamia ostreae. Ce rapport présente les travaux réalisés et les résultats acquis durant l'année 1988, dans les domaines de la pathologie (étude de la maladie et des mécanismes de défense des mollusques) de la génétique (recherche de souches résistantes), de l'épidémiologie descriptive et de la zootechnie.
Tipo: Text
Palavras-chave: Bivalves; Ostrea edulis; Bonamia ostreae; Épidémiologie; Pathologie; Immunologie; Échantillonnage; Élevage; Shellfish; Ostrea edulis; Bonamia ostreae; Epidemiology; Pathology; Immunology; Sampling; Rearing.
Ano: 1989
URL: https://archimer.ifremer.fr/doc/00342/45284/44749.pdf

Bacteries associees aux production de Brachionus plicatilis
Provedor de dados: 5
Autores: Nicolas, Jean-louis; Joubert, M.
Bacteria associated with semi-continuous culture of Brachionus plicatilis , which is used as the first food of marine fish larvae, were counted on Zobell 2216 E medium and identified. The numbers of bacteria were very high in both Brachionus (about 10 super(11) bact. per ml of digestive content) and in water (from 1.6.10 super(6) to 4.7.10 super(7) bact. per ml). The cultures were studied at driving a time when mortalities occurred frequently. The introduction of a Pseudomonas) phenon at a proportion of about 50% to the dominant microflora persisted in time and was little influenced by diet. It has been the cause of the repression of the Vibrio, Aeromonas group which was found in an unusually small proportion. It induced a lack of microflora diversity and...
Tipo: Text
Palavras-chave: Brachionus plicatilis; Rotifera; Pseudomonas; Aeromonas; Vibrio; Nutrition; Pathology; Fish culture; Fish larvae; Food organisms; Bacteria; Continuous culture; Ecological associations; Zooplankton culture.
Ano: 1984
URL: http://archimer.ifremer.fr/doc/1984/acte-994.pdf

The impact of harmful algal blooms on finfish. Mortality, pathology and toxicology
Provedor de dados: 5
Autores: Brusle, Jacques.
Many algal blooms ("red tides" or "brown tides") may be noxious for finfish, either causing anoxia through decay process, clogging the gills or producing specific toxins. Since the 1970's, records of the incidence of injury and mortality to wild and cultured fish due to toxic phytoplankton have increased. It was even demonstrated that toxic algal blooms are spreading in intensity, geographic distribution and number of algal species involved. Thus, algal blooms are becoming one of the major economic threat to fisheries and fish culture industry. This review deals with the literature available (more than 250 references) on the occurrence of fish kills associated with worldwide algal blooms. Their negative effects on fish that result in economic losses are...
Tipo: Text
Palavras-chave: Harmful algal bloom; Finfish; Toxicology; Pathology; Mortality.
Ano: 1994
URL: http://archimer.ifremer.fr/doc/1994/rapport-1431.pdf

Etudes pathologiques et epidemiologiques des lesions parasitaires chez Ostrea edulis : Premiers resultats d'un recherche prospective comparative chez les principales especes de mollusques des zones ostreicoles de Bretagne nord
Provedor de dados: 5
Autores: Poder, M; Auffret, Mathieu; Balouet, G.
This paper is a contribution to the study of the Bonamia ostreae epizooty in french european oyster Ostrea edulis : parasite process (hemocytic parasitosis); experimental contaminations on parks and in tanks. First results of an epidemiological watch conducted in oyster culture sites show in molluks mytilidae, pectinidae, cardiidae, veneridae: the absence of Bonamia ostreae forms; the existence of different types of parasitism or commensalisus of inequal pathological importance and especially a parasite of the Marteilia genus in Tapes sp . digestive epithelium. Additionally, a new example of hemocytosercoma is observed in Cerastoderma edule .
Tipo: Text
Palavras-chave: Ruditapes philippinarum; Tapes rhomboides; Tapes pullastra; Mytilus edulis; Cerastoderma edule; Ostrea edulis; Bivalvia; Marteilia; Bonamia ostreae; Comparative studies; Parasitic diseases; Commensalism; Parasitology; Marine mollusks; Epidemiology; Pathology; Pathologie; Mollusques; Bonamia ostreae; Epizootie; Ostrea edulis.
Ano: 1983
URL: http://archimer.ifremer.fr/doc/1983/acte-1182.pdf

Pathology of cultured paua Haliotis iris infected with a novel haplosporidian parasite, with some observations on the course of disease
Provedor de dados: 5
Autores: Diggles, Bk; Nichol, J; Hine, Pm; Wakefield, S; Cochennec, Nathalie; Roberts, Rd; Friedman, Cs.
Mortalities among juvenile paua Haliotis iris Martyn 1784 in a commercial culture facility were reported in April 2000. Histology of moribund paua showed heavy systemic infections of a uni- to multi-nucleate stage of a novel organism later confirmed by transmission electron microscopy (TEM) and molecular studies to be a haplosporidian. Multinucleate plasmodia up to 25 &amp;#956;m diameter with up to 17 nuclei were detectable in wet preparations of hemolymph from heavily infected paua. The presence of the haplosporidian in the affected facility was associated with mortalities of slow growing 'runt' paua during the summer months. Total mortalities in affected raceways 6 mo after mortalities began were between 82.5 and 90%. Heavily infected paua exhibited...
Tipo: Text
Palavras-chave: Haplosporidia; Abalone; Aquaculture; Pathology; Disease; New Zealand.
Ano: 2002
URL: http://archimer.ifremer.fr/doc/2002/publication-2783.pdf

Report about mollusc diseaes
Provedor de dados: 5
Autores: Berthe, Franck.
Of the 75 laboratories contacted through the survey, 54 answered, 14 of which are partially or totally devoted to mollusc diseases. In fact, only 4 laboratories are devoted full-time to this work. Of the 14 laboratories that declared to work on the diagnosis of mollusc diseases, 12 stated that they worked with mussels, 12 with oysters, 9 with clams and 8 with other mollusc species. This is coherent with available production information. According to production data in 2001 (FAO source), the main mollusc species in the region are the blue mussel, Mytilus edulis (297,485 tonnes), the Mediterranean mussel, Mytilus galloprovincialis (131,014 tonnes), the Pacific cupped oyster, Crassostrea gigas (127,323 tonnes, an important part of which is produced on the...
Tipo: Text
Palavras-chave: Bonamia existiosus; Bonamis ostreae; Bonamiosis; Marteilia sydneyi; Marteilia maurini; Marteilia refringens; Marteiliosis; Perkinsus marinus; Perkinsus olseni; Perkinsus atlanticus; Perkinsosis; Vibriosis; Herpes like virus; Oysters; Pathology; Mollusc diseases.
Ano: 2004
URL: http://archimer.ifremer.fr/doc/2004/publication-3300.pdf

Diagnosis of oyster herpes-like virus: development and validation of molecular immunological and cellular tools "VINO". Second periodic progress report: 4th January 2000 at 3rd January 2001
Provedor de dados: 5
Autores: Renault, Tristan; Davison, Andrew; Xhonneux, Florence; Dorange, Germaine; Culloty, Sarah; Novoa, Beatriz; Dixon, Peter.
The aim of the programme is to develop specific tools for diagnosing herpes-like virus infections in bivalves and to validate these reagents by using them in different European laboratories involved in shellfish epidemiological surveys. This will done using teclmiques developed by the patiners to characterise viruses by studying their genome and immunologically reactive proteins, to cultivate oyster cells and vertebrate cell lines and to perform epidemiological surveys among bivalves. The programme objectives are: 1 - Obtaining the complete oyster herpesvirus (OsHV-1) DNA sequence with determination of the genome structure. 2 - Comparing OsHV -1 with viruses belonging to the Herpesviridae family on the basis of sequence data and genome structure. 3 -...
Tipo: Text
Palavras-chave: Pathology; Virology; Diagnosis; Herpes like virus; Validation molecular; Detection; Herpesviridae; OsHV-1; Diagnostic techniques; Oysters.
Ano: 2001
URL: http://archimer.ifremer.fr/doc/00048/15947/13377.pdf

Rickettsia-like organism infecting juvenile sea-bass Dicentrarchus labrax
Provedor de dados: 5
Autores: Comps, Michel; Raymond, J. C.; Plassiart, G. N.
High levels of mortalities (20%) associated with abnormal swimming have been observed in farmed juveniles of seabass, Dicentrarchus labrax, in Mediterranean coast, southern France. Histopathology was obvious in the brain with nervOUS tissue necrosis and the presence of ceUs containing basophilic granules corresponding to smaU coccoid organisms. Ultrastructural examination revealed these organisms were rickettsia-like organisms morphologicaUy close to Piscirickettsia salmonis
Tipo: Text
Palavras-chave: Pathology; Dicentrarchus labrax; Sea Bass; Rickettsia like.
Ano: 1996
URL: http://archimer.ifremer.fr/doc/1996/publication-6158.PDF

Le réseau de pathologie des mollusques. REPAMO
Provedor de dados: 5
Autores: Grizel, Henri.
The creation of a mollusc pathology network was in effect and made official during 1992. The subject of this document is to present this network, which has not yet achieved its definitive size.  Why this network?  The creation of this network responds to several institutional and scientific needs. Indeed, the setting up of control measures aimed at regulating mollusc exchanges notably via European Directive 91/67 and its transcription into French law has, as a corollary, caused the recognition of IFREMER as the agency charged with performing the analyses necessary for responding to the needs of this Directive, as far as marine invertebrates are concerned. Moreover, France being among the primary producers of shellfish in the world, the setting up of a...
Tipo: Text
Palavras-chave: Network; Pathology; Molluscs.
Ano: 1996
URL: http://archimer.ifremer.fr/doc/1996/rapport-1922.pdf

Histological study of a cellular reaction in Ruditpaes decussatus infected by a protozoan
Provedor de dados: 5
Autores: Chagot, Dominique; Comps, Michel; Boulo, Viviane; Ruano, Francisco; Grizel, Henri.
An infection caused by a Perkinsus -like parasite has been observed in Ruditapes decussatus from Portugal (Comps and Chagot, 1987). Following a pathological study carried out on clams affected by mortalities in the Algarve area, this parasite was found again, inducing a reaction process in the host. Histological examination reveals the parasite in the connective tissue of different organs. The adjoining tissues, particularly the epithelia, are not affected.
Tipo: Text
Palavras-chave: Cells; Histology; Pathology; Ruditapes decussatus.
Ano: 1987
URL: http://archimer.ifremer.fr/doc/1987/acte-3109.pdf

Prophylactic strategies and zootechnic measures, recent advances
Provedor de dados: 5
Autores: Grizel, Henri.
The spread of major diseases of molluscs around the world and the increase of transfers need the development of adapted prophylactic strategies and the increase of research in epidemiology, immunology and genetics. The prophylactic strategies must be based on common laws with the establishment of a list of declarable pathogens, with basic sampling rules (sample size, frequency, definition of geographical areas) and with reglementation of the internal transfers. Moreover, specific adapted diagnosis should be developed to increase the sanitary control performance (e.g. ELISA test, DNA probe, cell culture). In the case of an infectious disease the epidemiology studies should be concerned, the relationship between the culture techniques and the disease, the...
Tipo: Text
Palavras-chave: Bonamia ostreae; Mollusc culture; Aquaculture techniques; Pathology; Immunology; Genetics; Epidemiology; Fish diseases; Disease control.
Ano: 1989
URL: http://archimer.ifremer.fr/doc/1989/acte-1483.pdf

Some regulatory issues related to perkinsosis
Provedor de dados: 5
Autores: Berthe, Franck.
Perkinsosis is one of the OIE listed diseases of molluscs caused by Perkinsus marinus and P. olseni. Consequently, molluscs originating from endemic areas should not be transferred into areas free of the disease. Impediments to the implementation of international zoosanitary regulation will be reviewed.
Tipo: Text
Palavras-chave: Pathology; Molluscs; Perkinsus olseni; Perkinsus marinus.
Ano: 2001
URL: http://archimer.ifremer.fr/doc/2001/acte-3284.pdf

Suivi des coques du Croisic en 1998. Bilan synthétique.
Provedor de dados: 5
Autores: Fleury, Pierre-gildas; Langlade, Aime; Le Coguic, Marie-jo; Thebault, Anne; Chellet, B.; Ponthoreau, C.; Devulder, G.
Suite aux mortalités massives de coques apparues au Croisic en août 1997, des études ont été mises en place en 1998, avec une coordination des travaux des différents laboratoires impliqués: suivi de la température et de la matière organique dans le sédiment, suivi des animaux et observation des parasites. Les principaux résultats sont:  - l'enregistrement de brusques amplitudes thermiques dans le sédiment;  - des taux anormalement élevés de matière organique dans le sédiment (20 à 40%) à l'automne 1997, puis des taux plus habituels (&lt;2%) après les tempêtes de l'hiver 1997-98 ; - un affaiblissement important de la vitalité musculaire des animaux en juillet;  - une infestation relativement faible en trématodes virulents (Labratrema minimus), mais dont les...
Tipo: Text
Palavras-chave: Coques; Cerastoderma edule; Le Croisic; Sédiment; Elevage; Mortalité; Croissance; Vitalité; Maturation; Pathologie; Cockles; Cerastoderma edule; Le Croisic (France); Sediment; Rearing; Mortallty; Growlh; Vitality; Maturation; Pathology.
Ano: 1999
URL: http://archimer.ifremer.fr/doc/00107/21848/19435.pdf

Variabilité génétique et évaluation génomique de la résistance à la nécrose nerveuse virale de populations sauvages de bar/loup (Dicentrarchus labrax)
Provedor de dados: 5
Autores: Doan, Quoc Khanh.
European seabass is one of the most economic species in aquaculture in Mediterranean areas. Viral nervous necrosis (VNN), a disease affecting at least 70 aquatic species, has become the most serious threat to seabass cultured industry. While numerous studies have been performed in order to control this disease, no simple and effective procedures are available. In this thesis, we question genetic variability and the potential of selective breeding as an opportunity to address thwart this threat.After a general introduction (first chapter) and a deep literature review of nodavirus in aquaculture (second chapter), we explore in the third chapter the genetic variability of resistance of different wild populations of European seabass, namely Northern Atlantic...
Tipo: Text
Palavras-chave: Génétique quantitative; Analyses génomiques; Pathologie; Résistance virale; Aquaculture; Quantitative genetics; Genomics; Pathology; Virus resistance; Aquaculture.
Ano: 2017
URL: https://archimer.ifremer.fr/doc/00498/60971/64379.pdf

Perkinsosis in Europe : current issues and research needs
Provedor de dados: 5
Autores: Berthe, Franck; Choi, K. S.; Figueras, Antonio; Soudant, Philippe; Villalba, A.
The aim of this workshop was to review current issues posed by perkinsosis in Europe with particular emphasis on taxonomv. epidemiology and impact an mollusc stocks, and identify where new developments in research are likely to improve our knowledge and understandings.
Tipo: Text
Palavras-chave: Parasitic diseases; Pathogens; Geographical distribution; Fish diseases; Perkinsus marinus; Pathology.
Ano: 2004
URL: https://archimer.ifremer.fr/doc/2004/publication-3290.pdf

Contribution à l'étude de virus de mollusques marins apparentés aux Iridoviridae et aux Herpesviridae
Provedor de dados: 5
Autores: Le Deuff, Rose-marie.
Among the marine molluscs, Pacific oyster, Crassostrea gigas, is actually the most reared species in the world. Noticeably in France, where it was imported between 1960 and 1970, and replaced Portuguese oyster, Crassostrea angulata. Intensification of breeding and the associated introductions of new species may be hazardous. Indeed, they might be responsible for the appearance and the dissemination of new diseases in bivalve molluscs. In addition to these observations, the quasi monobreeding of C. gigas in France enhances the necessity to develop research concerning the diagnosis of pathologies affecting this species, namely the diagnosis of viral diseases. Several families of viruses have been described within marine bivalves molluscs. The purpose of this...
Tipo: Text
Palavras-chave: Mollusques bivalves; Crassostrea gigas; Huître japonaise; Pathologie; Iridovirus; Herpèsvirus; Diagnostic; Bivalve molluscs; Crassostrea gigas; Pacific oyster; Pathology; Iridovirus; Herpesvirus; Diagnosis.
Ano: 1995
URL: http://archimer.ifremer.fr/doc/00107/21792/19367.pdf

Evolution et estimation des mortalités estivales de naissain d'huître creuse (Crassostrea gigas) en baie de Quiberon, de mai à septembre 1998.
Provedor de dados: 5
Autores: Martin, Anne-genevieve; Fleury, Pierre-gildas; Tige, Gilbert; Hirata, Toshio; Le Coguic, Marie-jo; Langlade, Aime; Mazurie, Joseph; Ostréiculteurs de la baie de Quiberon.
La question des mortalités estivales de naissains d'huîtres creuses en baie de Quiberon a été abordée selon deux approches complémentaires, l'une plus temporelle, avec le suivi estival régulier de quelques semis, l'autre plus spatiale avec une estimation en plongée des survies en fin d'été d'un plus grand nombre de semis répartis à travers la baie. Le suivi de l'évolution des semis a permis de dater et de quantifier les mortalités estivales sur plusieurs périodes (juin et août essentiellement) ; mais il n'a pas permis d'en identifier les causes. Le rôle des pathogènes, notamment, n'est pas défini. Par ailleurs, l'estimation spatiale des mortalités en fin d'été met en évidence des mortalités nettement différenciées entre les semis (entre 6 et 48%). Parmi...
Tipo: Text
Palavras-chave: Huître creuse; Crassostrea gigas; Naissain; Quiberon; Mortalité; Croissance; Vitalité; Pathologie; Herpès-virus; Pacifie cupped oyster; Crassostrea gigas; Spat; Quiberon (France); Mortality; Growth; Vitality; Pathology; Herpes-virus.
Ano: 1999
URL: http://archimer.ifremer.fr/doc/00102/21326/18949.pdf

Temperature influence on pathogen transmission and subsequent mortalities in juvenile Pacific oysters Crassostrea gigas
Provedor de dados: 5
Autores: Petton, Bruno; Pernet, Fabrice; Robert, Rene; Boudry, Pierre.
Since 2008, mass mortalities of 1-yr-old Crassostrea gigas associated with the ostreid herpesvirus OsHV-1 μVar have occurred along all the coasts of France when seawater temperature reaches 16 to 17°C. The present study aimed to characterize the effect of temperature on oyster survival in combination with OsHV-1 DNA quantification by standard real-time PCR and total vibrio population levels in oyster tissues. To examine the effect of seawater temperature on disease transmission and related mortality of oysters, cohabitation experiments were conducted between healthy naïve oysters and oysters previously exposed to field conditions in areas where mortalities were occurring. Oysters initially maintained in controlled conditions (free of mortality and negative...
Tipo: Text
Palavras-chave: Juvenile oyster; Pathology; Temperature; Survival; Vibrios; Ostreid herpesvirus 1.
Ano: 2013
URL: http://archimer.ifremer.fr/doc/00148/25891/23912.pdf

Marteiliosis in molluscs: A review
Provedor de dados: 5
Autores: Berthe, Franck; Leroux, Frederique; Adlard, Robert; Figueras, Antonio.
Among mollusc pathogens, paramyxeans are an important group of protistan parasites belonging to the genera Marteilia and Marteilioides. Martelia refringens and M. sydneyi are of particular concern given their potential impact on mollusc aquaculture world-wide. Aber disease and QX disease are currently listed by the OIE, the World Organisation for Animal Health. After more than thirty years of existence in the scientific literature, these organisms still pose questions and research challenges to investigators. This paper reviews current knowledge of the group and key references. The review was focused on taxonomy, epidemiology, pathology and potential control methods for these organisms in order to enhance understanding of paramyxean infection issues in...
Tipo: Text
Palavras-chave: Paramyxean parasites; Diagnosis; Pathology; Epidemiology; Taxonomy.
Ano: 2004
URL: https://archimer.ifremer.fr/doc/2004/publication-406.pdf

Contribution a l'étude de l'étrille Necora puber dans le Mor-Braz : données halieutiques, biologiques et pathologiques
Provedor de dados: 5
Autores: Wilhelm, Gwenaëlle.
The velvet swimming crab Necora puber, commonly found on the French coast was an important resource for inshore fishermen of the Mor-Braz sea in Southern Brittany before the production collapsed in 1985. Although there are still many uncertainties as to the reasons for this, we note that the collapse took place after a significant ecological imbalance which locally caused massive mortality of many marine organisms in 1982.  Without being obviously linked to the former point, mortality due to pathological causes was observed in velvet swimming crabs. Seeing the lack of general knowledge about these crabs, this study was designed to acquire data about its fishery and its biology. The first part focused on fleet, fishing effort and yield trends in the...
Tipo: Text
Palavras-chave: Parasitic dinoflagellate; Hematodinium; Northern Biscay; South Brittany; Pathology; Reproduction; Growth; Fishing; Necora puber; Velvet swimming crab; Dinoflagellé parasite; Hematodinium; Nord Gascogne; Bretagne sud; Pathologie; Reproduction; Croissance; Pêche; Necora puber; Etrille.
Ano: 1995
URL: http://archimer.ifremer.fr/doc/1995/these-1197.pdf

Infections virales chez les huîtres Crassostrea angulata Lmk. et Crassostrea gigas Th.
Provedor de dados: 5
Autores: Comps, Michel; Duthoit, Jean-louis.
Two viral infections associated to some epizooties have been observed in Crassostrea angulata Lmk. The first one concerns the Gill disease in which the viral damages go hand in hand with a cellular hypertrophy, while, in the second one, the contaminated cells are associated with a deterioration of the connective tissue. These branchial necrosis associated to a virus have been observed again recently in some Portuguese oysters from the natural deposits of the Cadix (Spain) area. Moreover, the study of the summer mortalities (July 1977) in the oyster Crassostrea gigas Th. demonstrated the presence in this species of a virus of the same type as the one associated to the massive mortalities of the Portuguese oyster. In both cases, the viral morphogenesis takes...
Tipo: Text
Palavras-chave: Oyster; Crassostrea gigas; Crassostrea angulata; Pathology; Virus; Huître; Crassostrea gigas; Crassostrea angulata; Pathologie; Virologie.
Ano: 1979
URL: http://archimer.ifremer.fr/doc/1979/publication-5922.PDF

Identification of a plasmid associated with virulence in Vibrio nigripulchritudo, a pathogen of the shrimp Litopenaeus stylirostris
Provedor de dados: 5
Autores: Reynaud, Yann; Saulnier, Denis; Mazel, Didier; Goarant, Cyrille; Le Roux, Frédérique.
Tipo: Text
Palavras-chave: Pathogenic vibrios; Pathology; Litopeneaus stylirostris; Vibrio nigripulchritudo.
Ano: 2007
URL: http://archimer.ifremer.fr/doc/2007/acte-3432.pdf

Relance de l'huître plate. Rapport de synthèse des travaux 1990
Provedor de dados: 5
Autores: Martin, Anne-genevieve.
Une convention a été signée en 1990 avec la Région Bretagne pour financer la poursuite des recherches dans le but d'accélérer la relance de l'élevage de l'huître plate, à la suite de la deuxième épizootie due à un protozoaire, Bonamia ostreae. Ce rapport présente les travaux réalisés et les résultats acquis durant l'année 1990, dans les domaines de l'épidémiologie descriptive, de la zootechnie, de la génétique (recherche d'espèces ou de souches résistantes) et de l'immuno-pathologie (étude de la maladie et des mécanismes de défense des mollusques).  Durant l'année 1990, la situation épidémiologique des élevages d'huîtres plates en eau profonde a évolué différemment selon les secteurs: relativement stable en Baie du Mont st Michel, elle présente de brusques...
Tipo: Text
Palavras-chave: Bivalves; Ostrea edulis; Bonamia ostreae; Épidémiologie; Pathologie; Immunologie; Génétique; Échantillonnage; Élevage; Shellfish; Ostrea edulis; Bonamia ostreae; Epidemiology; Pathology; Immunology; Genetic; Sampling; Rearing.
Ano: 1991
URL: http://archimer.ifremer.fr/doc/00102/21320/18942.pdf

Combined oral toxicity of azaspiracid-1 and yessotoxin in female NMRI mice
Provedor de dados: 5
Autores: Aasen, John A. B.; Espenes, Arild; Miles, Christopher O.; Samdal, Ingunn A.; Hess, Philipp; Aune, Tore.
For many years, the presence of yessotoxins (YTXs) in shellfish has contributed to the outcome of the traditional mouse bioassay and has on many occasions caused closure of shellfisheries. Since YTXs do not appear to cause diarrhoea in man and exert low oral toxicity in animal experiments, it has been suggested that they should be removed from regulation. Before doing so, it is important to determine whether the oral toxicity of YTXs is enhanced when present together with shellfish toxins known to cause damage to the gastrointestinal tract. Consequently, mice were given high doses of YTX, at 1 or 5 mg/kg body weight, either alone or together with azaspiracid-1 (AZA1) at 200 μg/kg. The latter has been shown to induce damage to the small intestine at this...
Tipo: Text
Palavras-chave: Azaspiracid-1; AZA1; Yessotoxin; YTX; Marine algal toxins; Absorption; Pathology; Sublethal; NMRI; Mice; LC-MS/MS; Oral toxicity.
Ano: 2011
URL: http://archimer.ifremer.fr/doc/00034/14477/11776.pdf

REPAMO : a French network for the surveillance of molluscs health
Provedor de dados: 5
Autores: Guichard, Benjamin; Garcia, Celine; Joly, Jean-pierre; Lupo, Coralie; Chollet, Bruno; Robert, Maeva; Omnes, Emmanuelle; Arzul, Isabelle.
The REPAMO is a French Network for the surveillance of Mollusc diseases that notably meets the obligations of the European Directive 2006/088/EC. It is entirely funded by the French State. The coordination of this network entrusted to the Institut Français de Recherche pour l`Exploitation de la Mer since 1986 aims at monitoring the notifiable endemic diseases, detecting the emergence of exotic or new pathogens and ensuring a minimum level of surveillance of the general health condition of molluscs. Beside IFREMER, different partners are involved in the surveillance of mollusc health at the national level: the Departmental direction for territories and sea who are the local representatives of the competent authority and the producers who have the obligation...
Tipo: Text
Palavras-chave: Surveillance; Mollusc; Pathology; Network.
Ano: 2011
URL: http://archimer.ifremer.fr/doc/00036/14768/12077.pdf

Mortalité du tourteau Cancer pagurus provoquée par le dinoflagelle parasite : Hematodinium sp.
Provedor de dados: 5
Autores: Latrouite, Daniel; Morizur, Yvon; Noel, Philippe; Chagot, Dominique; Wilhelm, G.
Unusural crab mortality in winter led us to identify a Hematodinium like parasitic dinoflagellate in the blood of edible crabs Cancer pagurus. Crabs from several fishing areas (the English Channel, the Iroise sea, the bay of Biscay, off Scotland) and from one area of the Channel shore were examined. The crab parasit was found everywhere we investigated and throughout the year. The prevalence which was found independant of the intermolt stage, sex and size of crabs was higher inshore than offshore. The pathogenicity is assumed to differ according to season.
Tipo: Text
Palavras-chave: Edible crab; Pathology; Bay of Biscay; Iroise sea; Channel; Parasite; Mortality; Hematodinium; Bitter crab desease; Dinoflagelle; Aquiculture; Cancer pagurus; Mortalité; Hematodinium; Cancer pagurus; Tourteau; Pathologie.
Ano: 1988
URL: http://archimer.ifremer.fr/doc/1988/acte-1418.pdf

La palourde. Dossier d'élevage
Provedor de dados: 5
Autores: Flassch, Jean-pierre.
Introduction: Through the combined works of research, local communities and professionals, a new activity has been created, "vénériculture", i.e. clam farming. Thanks to the knowledge acquired in research as well as production in the shellfish field, clam production results followed shortly thereafter. Rightly so, only 10 years have elapsed since the beginning of the research and the actual production phase (500 t) involving about 300 professionals. Research conducted by IFREMER positively contributes to the creation of new trades as well as diversity within existing professions. Clams are marketed nationally as well as exported. French producers are truly competent, but the prospect of open borders and increasing competition requires maintaining a high...
Tipo: Text
Palavras-chave: Company; France; Production; Pathology; Aquaculture; Biology; Clam.
Ano: 1988
URL: http://archimer.ifremer.fr/doc/1988/rapport-1757.pdf

Pathology of marine warmwater finfish in Israel: Problems and research
Provedor de dados: 5
Autores: Colorni, A.
A condition in Sparus aurata larvae termed "distended gut syndrome" (DGS) has become a major problem in the past three seasons. Unable to digest rotifers and brine shrimp nauplii, the larvae develop a swollen abdomen, exhibit a disoriented spinning motion and are swept passively with the current. Bacterial or viral infections were suspected. Chloramphenicol-supplemented larval food did not affect the prevalence of DGS. Virus-like particles 80 nm in diameter were observed in necrotic cytoplasm of midgut wall cells.
Tipo: Text
Palavras-chave: Israel; Sparidae; Pisces; Sparus aurata; Fish diseases; Fish larvae; Pathology.
Ano: 1989
URL: http://archimer.ifremer.fr/doc/1989/acte-1479.pdf

Could Mikrocytos roughleyi be a mis-classified haplosporidian?
Provedor de dados: 5
Autores: Cochennec, Nathalie; Le Roux, Frédérique; Berthe, Franck; Hine, Mike.
Bonamiosis refers to diseases of oysters caused by Bonamia ostreae in the Northern Hemisphere and Bonamia sp. in the Southern Hemisphere. Similarly, Mikrocytosis usually refers to diseases of oysters caused by Mikrocytos mackini on the west coast of Canada and Mikrocytos roughleyi on the east coast of Australia.
Tipo: Text
Palavras-chave: Oysters; Diseases; Pathology; Mikrocytos roughleyi.
Ano: 2001
URL: http://archimer.ifremer.fr/doc/2001/acte-3286.pdf

Étude des interactions entre infection à ostreid herpesvirus 1, immunité, autophagie et pesticides chez l’Huître creuse, Crassostrea gigas
Provedor de dados: 5
Autores: Moreau, Pierrick.
The thesis work is part of the very current issue on mass mortality outbreaks affecting Pacific oyster, C. gigas, spat and juveniles and questions about the involvement of pesticides in this phenomenon. The first part of this thesis was devoted to study the effects of pesticides on hemocyte parameters in the Pacific oyster (in vitro and in vivo). The immunomodulator effect of selected pesticides (alone or in mixture) has been explored principally through flow cytometry. The second part concerned the study of the effects of a pesticides mixture on OsHV-1 itself. No direct effects have been reported on the viral particles in presence of the pollutants. Moreover, pesticide effects on Pacific oysters were also explored through experimental pathology assays...
Tipo: Text
Palavras-chave: Pacific oyster; Pesticides; OsHV-1; Autophagy; Immunity; Hemocyte; Pathology.
Ano: 2014
URL: http://archimer.ifremer.fr/doc/00226/33740/32149.pdf

Bivale mollusc cell culture
Provedor de dados: 5
Autores: Mialhe, Eric; Boulo, Viviane; Grizel, Henri.
The historical background of bivalve cell culture and its potential uses in molluscan pathology are reviewed. Then, primary cultures for the study of some host-pathogen interactions at the cellular level are considered. Next, alternative methods to classical cell cultures are examined that may lead to the production of bivalve celllines.
Tipo: Text
Palavras-chave: Cell culture; Pathology; Molluscs.
Ano: 1988
URL: http://archimer.ifremer.fr/doc/1988/publication-3122.pdf

Etude des effets de polluants sur les paramètres hémocytaires de l'huître creuse, Crassostrea gigas - Interactions entre environnement, mécanismes de défense et maladies infectieuses
Provedor de dados: 5
Autores: Gagnaire, Beatrice.
Shellfish industry is mostly realized in estuary zones, which are subjected to pollutions due to anthropic activities. The harmful effects of pollutants on animals inhabiting these estuarine zones are poorly known. Among these animals, Pacific oyster, Crassostrea gigas, may represent a model because they are sedentary and they filter water intensively. Among all physiological functions possibly disturbed by pollutants, defence mechanisms are poorly studied in bivalves. Moreover, animals presenting impaired defence mechanisms may be more sensitive to infectious diseases. In this context, effects of pollutants on hemocyte functions and on sensitiveness to diseases were tested in C. gigas. After adjusting the protocols for the monitoring of hemocyte...
Tipo: Text
Palavras-chave: Real time PCR; Flow cytometry; Pesticides; Pollutants; Phagocytosis; Hemocytes; Crassostrea gigas; Pacific oyster; Pathology; Immunotoxicology; PCR en temps réel; Cytométrie de flux; Pesticides; Polluants; Phagocytose; Hémocytes; Crassostrea gigas; Huître creuse; Pathologie; Immunotoxicologie.
Ano: 2005
URL: http://archimer.ifremer.fr/doc/2005/these-730.pdf

Infectious pathology in mollusc and shrimp hatcheries
Provedor de dados: 5
Autores: Mialhe, Eric.
Development of aquaculture has been linked to zootechnical mastering of larval production in hatcheries. Regular and excessive use of antibiotics (antifungal or antibacterial) may thus also be reduced, permitting to limit release of these products in sea-water and, consequently, avoiding progressive selection of resistant-strains.
Tipo: Text
Palavras-chave: Viruses; Infectious diseases; Epidemiology; Pathogens; Bacterial diseases; Pathology; Larval development; Mollusc culture; Shrimp culture.
Ano: 1989
URL: http://archimer.ifremer.fr/doc/1989/acte-1487.pdf

Bilan 2006 du réseau Repamo. Réseau national de surveillance zoosanitaire des mollusques marins
Provedor de dados: 5
Autores: Francois, Cyrille; Garcia, Celine; Labrut, Sophie; Miossec, Laurence; Arzul, Isabelle; Joly, Jean-pierre; Chollet, Bruno; Robert, Maeva; Ferrand, Sylvie.
Created in 1992, the REPAMO network (Network of mollusc pathology), is a national zoosanitary surveillance network of shellfish health status along the French coasts. Its activities are in keeping with two European Directives, 91/67/EEC and 95/70/EC and are a part of the institutional tasks of Ifremer. The aims of the network are to prevent the introduction and spread of exotic  pathogens and to survey the evolution ofnotifiable pathogens already present in France. The network focused on the survey of listed diseases (bonamiosis and marteiliosis of flat oyster) in two areas under agreement process (zone X and Granville bed in zone IX). In 2006, only samples of the Granville bed could be analysed due to the difficulty to obtain flat oysters (sparse oyster...
Tipo: Text
Palavras-chave: Health status; Shellfish; Molluscs; Pathology; Surveillance; Network; État de santé; Coquillages; Mollusques; Pathologie; Surveillance; Réseau.
Ano: 2008
URL: http://archimer.ifremer.fr/doc/2008/rapport-3812.pdf

Development of mussel-specific expression vectors suitable for transgenic organisms: implication on the establishment of mollusc continuous cell lines
Provedor de dados: 5
Autores: Delsert, Claude; Cancela Da Fonseca, Leonor.
The main objective of this project was to develop the tools for the in-depth understanding of mollusc biology and pathology. Such a goal has been reached in other biological systems through the development of molecular biology and cell culture. Indeed, development of a mollusc cell culture system is an essential step to approach many of the problems related to mollusc pathology, in particular to use molecular biology tools to study viral infection of these organisms. No continous cell line is available from bivalves and while cell cultures have been obtained from these organisms they are difficult to develop and labor intensive, survival cultures being maintained only for a few weeks. Our goal has been to study in detail many of the parameters involved in...
Tipo: Text
Palavras-chave: Pathology; Mussel-specific expression vectors; Cell culture; Mytilus galloprovincialis; Gene; Genetic marker.
Ano: 1998
URL: http://archimer.ifremer.fr/doc/00044/15540/12917.pdf

Bilan 2005 du réseau REPAMO - Réseau national de surveillance zoosanitaire des mollusques marins
Provedor de dados: 5
Autores: Garcia, Celine; Arzul, Isabelle; Chollet, Bruno; Ferrand, Sylvie; Francois, Cyrille; Joly, Jean-pierre; Miossec, Laurence; Robert, Maeva; Cuvelier, Nicolas; Lefebvre, Alain; Le Gagneur, Eric; Ropert, Michel; Mouillard, Gilbert; Gerla, Daniel; Le Gal, Dominique; Rocher, Gregory; Langlade, Aime; Bedier, Edouard; Nourry, Max; Martin, Jean-louis; Chabirand, Jean-michel; Fillon, Alain; Robert, Stephane; Courtois, Olivier; D'Amico, Florence; Rumebe, Myriam; Pichot, Yves; Le Gall, Patrik.
Created in 1992, the REPAMO network (Network of mollusc pathology), is a national zoosanitary surveillance network of shellfish health status along the French coasts. Ils activities are in keeping with two European Directives, 91167/EEC and 95170/EC and are a part of the institutional tasks of Ifremer. The aims of the network are to prevent the introduction and spread of exotic pathogens and to sm'vey the evolution of notifiable pathogens already present in France. The network focused on the survey of listed diseases (bonamiosis and marteiliosis of flat oyster) in two areas under agreement process (Granville bed and zone X). In 2005, only samples of the Granville bed could be analysed due to the difflculty to obtain flat oysters (sparse oyster beds, beds...
Tipo: Text
Palavras-chave: Réseau; Surveillance; Pathologie; Mollusques; Coquillages; Etat de santé; Network; Surveillance; Pathology; Molluscs; Shellfish; Health status.
Ano: 2006
URL: http://archimer.ifremer.fr/doc/00086/19704/17346.pdf

Does the prevalence of Bonamia  and Marteilia diseases be reduced on flat oysters (Ostrea edulis) of Atlantic and Mediterranean origin, when they are reared together with the Japanese oyster (Crassostrea gigas) in tidal ponds?
Provedor de dados: 5
Autores: Bodoy, Alain; Bougrier, Serge; Geairon, Philippe; Garnier, Jacqueline; Boulo, Viviane; Heurtebise, Serge.
The flat oyster Ostrea edulis was originally reared in several regions of the European waters. The tidal saline ponds on the Atlantic coasts of France were highly productive before being hit by two consecutive epizooties. Parasitic diseases were described on this species, both of them leading 10 economic losses, as heavy mortalities have usually been recorded before the oysters reach the commercial size. Repeated experiments showed that the two diseases, Marteilia refringens and Bonamia ostreae are still active in this environment. Recently, some evidences were given that haemocytoblasts of Crassostrea gigas had the ability to lyze the Bonamia cells. Therefore, in an experiment of contiguous culture of the two species of oysters, the growth, mortality and...
Tipo: Text
Palavras-chave: Molluscs; Mortalities; Growth; Pathology; Crassostra gigas; Ostrea edulis; Marteilia refringens; Bonamia ostreae.
Ano: 1991
URL: http://archimer.ifremer.fr/doc/1991/acte-3049.pdf

Mortalités massives en élevage larvaire de Lates Calcarifer ( Mise en évidence d'un virus neurotrope )
Provedor de dados: 5
Autores: Renault, Tristan; Thouard, Emmanuel; Weppe, Maurice.
Since 1986 high mortality of hatchery-reared sea bass, Lates Calcarifer, larvae appeared in Ifremer's Pacifie Oceanological Center (Tahiti). Light and electron microscopy show vacuolation and cells with cytoplasmic inclusion bodies in the brain, the cord and the eye relina of affected larvae. Numerous non-enveloped particles identified as viral units, icosahedral in morphology and measuring about 25 nm in diameter were found in the cytoplasm of the degenerating cells. In affected larvae, these particles were isolated by density grandient centrifugations. In vitro tests on cell lines and in vivo test on fish are performed with samples of diseased larvae. And immunisation of mice are made with purified immunoglobulins of Lates calcarifer.
Tipo: Text
Palavras-chave: Aquaculture; Élevage larvaire; Lates calcarifer; Pathologie; Virus; Spongiose; Aquaculture; Hatchery; Lates calcarifer; Pathology; Virus; Spongiosis.
Ano: 1992
URL: http://archimer.ifremer.fr/doc/00142/25306/23378.pdf

REPAMEP - Réponse des palourdes aux stress environnementaux combinant métaux, efflorescences toxiques et pathogènes - Programme LITEAU.
Provedor de dados: 5
Autores: Baudrimont, M.; Gonzalez, P.; Hegaret, H.; Khayati, Alice; Lassus, Patrick; Legeay, A.; De Montaudouin, Xavier; Raymond, N.; Soudant, P.; Tran, D.
The originality of this project consists in the interdisciplinary approach gathering the impact of toxic phytoplankton blooms and metallic pollution on health (behaviour, stress, immunity, genetic) and disease development of the Manila clam, an economieally important species. The Manila clam Ruditapes philippinarum is the second exploited bivalve in the world. It was introduced in Arcachon bay during the 80's and is today exploited by professional fishermen (57 licences). A 50% decrease of the stock was observed during the last five years. Beyond fishing pressure, a PhD thesis identified several diseases as potential threats, like perkinsosis (=Dermo) and brown muscle disease (BMD). The project confirms the settlement of these pathologies with high...
Tipo: Text
Palavras-chave: Palourde japonaise; Pathologie; Efflorescences toxiques; Interactions microbiennes; Écotoxicologie; Multistress; Manila clam; Pathology; Toxic blooms; Microbial interactions; Ecotoxicology; Multistress.
Ano: 2013
URL: http://archimer.ifremer.fr/doc/00156/26745/24825.pdf

Brown muscle disease (BMD), an emergent pathology affecting Manila clam Ruditapes philippinarum in Arcachon Bay (SW France)
Provedor de dados: 5
Autores: Dang, C; De Montaudouin, X; Gonzalez, P; Mesmer Duldons, N; Caill-milly, Nathalie.
We describe an emerging pathology, brown muscle disease (BMD), which specifically affects the Manila clam Ruditapes philippinarum in Arcachon Bay (France). BMD induces a transformation of the posterior adductor muscle, which becomes infused by conchiolin and calcified, reducing the ability of clams to bury. The disease affects both types of muscular tissue, with striated muscle becoming affected to a higher degree than smooth muscle. Two indices were created to quantify the symptoms: the Muscle Print Index, used for empty and live shells, and the Final Disease Index, utilized for live clams only. Histological sections were made and observed under light microscopy to examine the muscular damage and to investigate a causal agent. Sections revealed an...
Tipo: Text
Palavras-chave: Light microscopy; Pathology; Adductor muscle; Ruditapes philippinarum; Clam; Brown muscle disease.
Ano: 2008
URL: https://archimer.ifremer.fr/doc/2008/publication-4556.pdf

Etudes sur la pathologie des huîtres
Provedor de dados: 5
Autores: Balouet, G.
French summary: In 1974, at the request of a group of oyster farmers in the Brittany region, the Pathology Laboratory of the U.E.R. Medicine of Brest undertook a series of theoretical and applied research projects concerning the problem of flat oyster digestive gland disease, due to Marteilia refringens, the primary economic problem of that time.  In 1978, in the research report of Contract C.N.E.X.O. 77/1690, the main results obtained since the beginning of the study of the parasitosis were made public. The present report has as its objective to show: - The results obtained in 1978-1979 while monitoring the parasitosis, and most especially the epidemiological evolution of the disease; - Information concerning the presence of other infectious diseases...
Tipo: Text
Palavras-chave: Parasite; Ostrea edulis; Oyster; Pathology.
Ano: 1978
URL: http://archimer.ifremer.fr/doc/1978/rapport-1927.pdf

Monoclonal antibodies : a tool for molluscan pathology
Provedor de dados: 5
Autores: Mialhe, Eric; Boulo, Viviane; Grizel, Henri; Rogier, Hervé; Paolucci, Francis.
Hybridoma technology is reviewed, and the characteristics of monoclonal antibodies are compared with those of polyclonal antibodies. The contribution of monoclonal antibodies to molluscan pathology is developed with special emphasis on their use as diagnostic tools. The results of studies with monoclonal antibodies prepared against the protozoan oyster pathogen Bonamia ostreae are briefly described.
Tipo: Text
Palavras-chave: Pathology; Molluscs; Monoclonal antibody technology.
Ano: 1988
URL: http://archimer.ifremer.fr/doc/1988/publication-3121.pdf

Effect du Vibrio P1, pathogene de Ruditapes philippinarum , sur d'autres especes de bivalves
Provedor de dados: 5
Autores: Maes, P; Paillard, C.
The symptom which characterizes the brown ring disease (BRD) in Manilla clam Ruditapes philippinarum has been observed in other Bivalvia species (Veneridae and Pectinidae). Vibrio P1, responsible of the BRD in R. philippinarum , has been detected in other Veneridae which were carrying the symptom. In mussel and oysters which are cultivated in Europe, the symptom has never been reported and Vibrio P1 has not been detected. Experimental contaminations of bivalves of commercial interest with the pathogen showed a clear Vibrio P1 sensitivity of European clam R. decussatus ; this latter seems however to be less sensitive than the Manilla clam.
Tipo: Text
Palavras-chave: Ruditapes philippinarum; Bivalvia; Diseases; Marine molluscs; Pathology; Vibriosis.
Ano: 1992
URL: http://archimer.ifremer.fr/doc/1992/acte-926.pdf

Bilan 2003 du réseau REPAMO - Réseau national de surveillance zoosanitaire des mollusques marins
Provedor de dados: 5
Autores: Arzul, Isabelle; Garcia, Celine; Joly, Jean-pierre; Miossec, Laurence; Chollet, Bruno; Robert, Maeva; Cuvelier, Nicolas; Lefebvre, Alain; Le Gagneur, Eric; Kopp, Joel; Mouillard, Gilbert; Gerla, Daniel; Le Saux, Jean-claude; Raguenes, Pierre; Le Gal, Dominique; Langlade, Aime; Bedier, Edouard; Nourry, Max; Martin, Jean-louis; Fillon, Alain.
The REPAMO network (network ofmollusc pathology), created in 1986, ensures the survey of shellfish health status along French coasts according? to European Directives 91/67/EEC and 95/70/EEC. The aims of the network are 1 - to prevent the introduction and spread of exotic pathogens, 2-to study the means to decrease the impact of pathogens already present and to survey their evolution. In 2003, the REPAMO network focused on the survey oflisted diseases (bonamiosis and marteiliosis) in two areas under agreement process (Banc de Granville and zone X) and on the study of abnormal morlalities. Number of reported abnormal morlalities has increased in 2003. This rise can be partly explained by the recent network restructuring, but also by the summer heatwave and...
Tipo: Text
Palavras-chave: Réseau; Surveillance; Pathologie; Mollusques; Coquillages; Etat de santé; Network; Surveillance; Pathology; Molluscs; Shellfish; Health status.
Ano: 2004
URL: http://archimer.ifremer.fr/doc/00086/19699/17340.pdf

Recent advances in Australian prawns diseases and pathology
Provedor de dados: 5
Autores: Owens, L; Hall, M.
Disease is always limiting in animal production and new syndromes occur in fledgling industries. This paper describes the latest findings in this area.
Tipo: Text
Palavras-chave: Vibrio damsela; Macrobrachium rosenbergii; Malacostraca; Bacteria; Septicaemia; Aetiology; Viruses; Juveniles; Ovaries; Larvae; Pathology; Viral diseases.
Ano: 1989
URL: http://archimer.ifremer.fr/doc/1989/acte-1461.pdf

Ultrastructural study of sporulated instars of a haplosporidian parasitizing the clam Ruditapes decussatus
Provedor de dados: 5
Autores: Chagot, Dominique; Bachere, Evelyne; Ruano, Francisco; Comps, Michel; Grizel, Henri.
In 1951, Vilela pointed out the presence of a haplosporidian parasitizing Ruditapes decussatus from Portuguese waters and created the species Haplosporidium tapetis. Later, a haplosporidian was found in the same species originating from the pound of Thau (France).
Tipo: Text
Palavras-chave: Haplosporidian paratizing; Ruditapes decussatus; Pathology.
Ano: 1987
URL: http://archimer.ifremer.fr/doc/1987/acte-3110.pdf

Bilan du réseau de pathologie des mollusques. REPAMO. 1995
Provedor de dados: 5
Autores: Grizel, Henri.
Tipo: Text
Palavras-chave: Network; Pathology; Molluscs.
Ano: 1995
URL: http://archimer.ifremer.fr/doc/1995/rapport-1924.pdf

Infection of clams by Perkinsus olseni as an example of the new French Surveillance Programme
Provedor de dados: 5
Autores: Miossec, Laurence; Garcia, Celine; Arzul, Isabelle; Francois, Cyrille; Joly, Jean-pierre; Chollet, Bruno; Robert, Maeva; De Blas, Isabelle.
The French network for the surveillance and monitoring of mollusc health (REPAMO) was officially set up in 1992 to control the shellfish status along the French coasts according to the European directives 91/67/EEC and 95/70/EC. The objectives are 1) the surveillance of notifiable diseases present in France (Bonamiosis and Marteiliosis of flat oysters Ostrea edulis), 2) the surveillance of health status of cultured and wild populations of molluscs, 3) the study of abnormal mortality and 4) the control of exchanges from European and third countries. In this context, a new surveillance programme, called Active Targeted Survey, part of the REPAMO, was applied in 2004 in order to improve the monitoring of the health status of the French mollusc populations...
Tipo: Text
Palavras-chave: Surveillance; Bivalvia; Clams; Perkinsus olseni; Pathogen; Pathology.
Ano: 2006
URL: http://archimer.ifremer.fr/doc/2006/acte-6376.pdf

A long term study of bonamiosis in Quiberon bay, France
Provedor de dados: 5
Autores: Arzul, Isabelle; Miossec, Laurence; Blanchet, Estelle; Garcia, Celine; Joly, Jean-pierre; Francois, Cyrille; Berthe, Franck.
Bonamiosis was first reported in association with mass mortality of flat oysters, Ostrea edulis, in June 1979 in L'Ile Tudy, Brittany. The disease rapidly spread to all of the oyster farming areas in France but also in other European countries. The French flat oyster production, which already suffered from another protozoan disease, marteiliosis, decreased from 5500 mt in 1979 to less than 2000 mt after 1980. In 2001, about 350 French farms sell 1650 mt of flat oysters. This production mainly relies on natural spat collection which specially occurs in Quiberon bay. One third of this spat is transferred from South to North Brittany for further growth. Quiberon bay constitutes an interesting site regarding the surveillance of bonamiosis because of the...
Tipo: Text
Palavras-chave: Detection; Bonamia ostreae; Protozoan; Diseases; Pathology; Ostrea edulis; Oysters.
Ano: 2005
URL: http://archimer.ifremer.fr/doc/2005/acte-3314.pdf

Frequency of Sella Turcica Bridge and Clinoid Enlargement in Lateral Cephalometric Plain Film Radiography from Peruvians
Provedor de dados: 77
Autores: Pérez,Iván E; Chávez,Allison K; Ponce,Darío.
The purpose for the present study was to determine the frequency of sella turcica bridge and clinoid enlargement on lateral cephalometric plain film radiography from peruvians patients who attended our radiological center and identify any possible genre or age group associations. The sella turcica from 417 lateral cephalometric plain film radiography was evaluated in order to determine the presence of sella turcica bridge (fusion between the anterior and posterior clinoid process) or clinoid enlargement related to the Sella (S) cephalometric point. The sella turcica bridge and clinoid enlargement frequency was 4.31% (n=18), and 16.3% (n=68). Cramer´s V and ETA statistics found, by separately, non significant association (p &gt; 0.05) between sella turcica...
Tipo: Journal article
Palavras-chave: Sella turcica; Radiology; Pathology; Ossification/ heterotopic; Calcinosis.
Ano: 2013
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022013000200002

Unilateral Renal Haemangiopericytoma: Report of a Rare Tumour
Provedor de dados: 77
Autores: Ribeiro,J. G. A.; Klojda,C. A. B.; Machado,F. A.; Favorito,L. A.; Cavalcante,A. G. L.; Babinski,M. A.
The pericytes are modified smooth muscle cells (SMCs) that surrounding capillaries and to change the diameter of vascular lumen. In this article we report a case of renal haemangiopericytoma. A 78-year-old woman was admitted with a complaint of abdominal pain. Ultrasonography revealed a solid injury in the third portion of the left kidney. Abdominal CT scan revealed a tumoral mass. Due the high index of suspicion of malignant neoplasia the patient was submitted to left radical nefrectomy. The histopathological evaluation confirmed haemangiopericytoma by immunohistochemistry. The patient fared well and was alive 5 years after radical nephrectomy
Tipo: Journal article
Palavras-chave: Kidney; Tumour; Haemangiopericytoma; Pathology; Immunohistochemistry.
Ano: 2006
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022006000300007

Fractal Analysis of Skeletal Muscle Tissue of Rats Subjected to Stretch Injury
Provedor de dados: 77
Autores: Ozaki,Guilherme; Camargo,Regina Celi Trindade; Koike,Tatiana Emy; Garcia,Thiago Alves; Castoldi,Robson Chacon; Camargo Filho,Jose Carlos Silva.
The aim of this study was to analyze changes in the skeletal muscle tissue of rats after muscle stretch injury using fractal analysis. Nineteen rats were divided into three groups, Control (n= 5) (C), Lesion two days (n= 7) (L2), and Lesion seven days (n= 7) (L7). Histological slides of the gastrocnemius muscle of the animals were prepared and stained with Hematoxylin and eosin for analysis of the inflammatory process, and picrosirius for the demonstration of collagen. The stained slides were subsequently analyzed using Fractal Dimension (FD). The results showed high FD values of the inflammatory process in the experimental groups L2 and L7 in relation to C (p= 0.000). The analysis of collagen in the picrosirius stained slides showed high FD in the L2...
Tipo: Journal article
Palavras-chave: Fractal analysis; Skeletal muscle injury; Collagen; Inflammation; Pathology.
Ano: 2015
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022015000300017

Immunopathology of rabies infection in mice selected for high or low acute inflammatory reaction
Provedor de dados: 80
Autores: Achkar,S. M.; Sinhorini,I. L.; Ribeiro,O. G.; Carrieri,M. L.; Ceretta,R. S.; Consales,C. A.
Rabies is a severe and lethal disease that produces a slight inflammatory response during the infection process. We analyzed the immunopathological mechanisms that occur in the central nervous system (CNS) using mice genetically selected for maximal or minimal acute inflammatory reaction (AIRmax or AIRmin). As viral samples, we adopted the antigenic variant 3 (AgV3) of rabies virus from hematophagous bats and a fixed virus strain (PV1 43/3). Titration of specific antibodies was performed using enzyme-linked immunosorbent assay (ELISA). We observed a slight increase in IgG and IgG1 isotypes in infected AIRmax mice. Incubation period, determined by intracerebral inoculation with 100 LD50, was 6-7 days for PV1 43/4 strain and 9-10 days for AgV3. No difference...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Rabies; Virus replication; Pathology; Inflammation; Immunoglobulin isotypes.
Ano: 2007
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992007000100003

Bacillus thuringiensis survey in Brazil: geographical distribution and insecticidal activity against Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae)
Provedor de dados: 82
Autores: Valicente,Fernando H.; Barreto,Marliton R.
A total of 3408 strains of Bacillus thuringiensis were collected from 1448 soil samples in 10 Brazilian states, four different geographical regions, covering 96 counties. These strains were evaluated against Spodoptera frugiperda (J.E. Smith) larvae. Only 62% killed between 81% and 100% and 1758 caused no mortality. Highest proportion of efficient strains (larval mortality above 75%) was found from the total isolated per region in the South Region (16.6%), followed by Western Central (3.1%), Southeast (1.1%) and Northeast Region (0.4%).
Tipo: Info:eu-repo/semantics/report
Palavras-chave: Insect; Bacteria; Native isolate; Biological control; Pathology.
Ano: 2003
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2003000400014

Metaplasia in swim bladder epithelium of the endangered annual fish Austrolebias nigrofasciatus (Cyprinodontiformes: Rivulidae) results in inadequate swimming and delayed growth
Provedor de dados: 83
Autores: Fonseca,Alinca Peres da; Volcan,Matheus Vieira; Romano,Luís Alberto; Robaldo,Ricardo Berteaux.
ABSTRACT Laboratory breeding of annual fish is often impaired when fish fail to inflate the swim bladder after hatching. These fish, which are known as belly-sliders, cannot swim in the water column, moving mainly on the bottom of water. Therefore, we wanted to understand the factors underlying failed inflation of swim bladder in the annual fish Austrolebias nigrofasciatus and determine the implications of this condition on the growth of juveniles. To identify how the initial filling of the gaseous vesicle is compromised, and to determine the implications of this condition on juvenile growth, we analysed the histology of the swim bladder of both normal swimming fish and belly-sliders during their initial growth phase (first month of life). In addition to...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Belly-sliders; Hatching; Killifish; Laboratory breeding; Pathology.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252018000400205

Kidney anatomy, histology and histometric traits associated to renosomatic index in Gymnotus inaequilabiatus (Gymnotiformes: Gymnotidae)
Provedor de dados: 83
Autores: Fernandes,Carlos Eurico; Marcondes,Sandrieley Fernanda; Galindo,Gizela Melina; Franco-Belussi,Lilian.
ABSTRACT The Gymnotus inaequilabiatus is a Neotropical fish widely distributed in marginal areas of bays. The aim of this study was to describe the main histological and histopathological traits in the head and exocrine kidney. Here, histometric and structural density techniques were associated with renosomatic index (RSI). The kidney was processed for light microscopy. Lipofuscin and hemosiderin content were visually estimated in the melonomacrophages centers (MMCs). All the biometric body variables were correlated with RSI, especially the kidney weight and gross lesions count. The general architecture of head and exocrine kidney was similar to that described for other teleost species. MMCs were prevalent in both portions and correlated with RSI in the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Fish; Pathology; Renal morphology; Stereology; Teleost.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252019000500207

Pathological Observations in Trypanosoma evansi Infected Yankasa Sheep
Provedor de dados: 19
Autores: Audu, P. A.; Esievo, K. A. N.; Mohammed, G.; Ajanusi, O. J.; Ibrahim, N. D. G.
Palavras-chave: Trypanosoma evansi; Yankasa sheep; Infection; Pathology.
Ano: 1999
URL: http://ir.obihiro.ac.jp/dspace/handle/10322/318

Pathology and Therapy in Naturally Eimeria stiedae-Infected Rabbits
Provedor de dados: 19
Autores: SINGLA, L. D.; JUYAL, P. D.; SANDHU, B. S.
Clinical hepatic coccidiosis in New Zealand white rabbits (n=24) of either sex (aged 1-2 month) with clinical signs, pathology an therapy is presented. The infected rabbits showed anorexia, reluctance to move and death within 3-4 days. Liver showed irregular whitish nodules scattered on its surface and in deeper parenchyma. Characteristic histopathologjcal changes in liver with different developmental stages of Eimeria stiedae in the epithelial cells of bile ducts have been recorded. Treatment of infected rabbits with 2.5% oltrazuril (Baycox) at 25 ppm in water for 2 days was highly effective. The oocysts is appeared in the faeces on day 6 after treatment. No mortality was seen in treated rabbits while all the infected untreated rabbits died with in a...
Palavras-chave: Eimeria stiedae; Therapy; Pathology; Rabbit.
Ano: 2000
URL: http://ir.obihiro.ac.jp/dspace/handle/10322/131

First Case of Echinococcus multilocularis Infection in a Zoo-Housed Flying Squirrel (Pteromys volans orii)
Provedor de dados: 19
Autores: OIKAWA, Eri; SHIMURA, Ryoji; NISHIMURA, Maki; FURUOKA, Hidefumi; 古岡, 秀文.
A 33 month-old male flying squirrel kept in a zoo developed progressive dyspnea and died. Macroscopically, the liver and lung were enlarged with numerous nodular vesicles. Histologically, these organs were replaced by numerous collapsed vesicles demarcated by fibrous tissues. The cysts lined by a cellular, germinal layer contained numerous brood capsules with abundant production of well-developed protoscolices. Protoscolices were about 80–100 μm in diameter, and had hooks being visible as refractive structures. This zoo locates in the east of Hokkaido where is an endemic area of Echinococcus multilocularis infection. From epidemiology and pathological findings, this animal was diagnosed as E.multilocularis infection. This report describes the pathology of...
Palavras-chave: Echinococcus multilocularis; Flying squirrel; Hokkaido; New host record; Pathology.
Ano: 2013
URL: http://ir.obihiro.ac.jp/dspace/handle/10322/3944

Effects of Corticosteroids in Stray Cats with Natural Antibodies to Toxoplasma gondii
Provedor de dados: 19
Autores: Samad, Md Abdus; Islam, Md Rafiqul; Dey, Badal Chandra; Alam, Md Mahabub.
Palavras-chave: Pathology; Seropositive cats; Immunosuppression; Oocyst shedding.
Ano: 1997
URL: http://ir.obihiro.ac.jp/dspace/handle/10322/255

Estudio epizootiológico de Penaeus vannamei en tres fincas camaroneras del Caribe colombiano
Provedor de dados: 20
Autores: Vallejo-Isaza, A.; Newmark-U., F.
An epizootiological study of the mayor deseases affecting the penaeid shrimp Penaeus vannamei was performed from june 1994 throuh august, 1995 in tree farms located on the colombian Carebbean coast. The presence and prevalence of infectious agents such as bacteria, protozoa, viral inclusions bodies and changes histopatologicals was determinated by means of gross examination and histological analysis.. The relationship between these infection agents and specific disease was also studies. The presence of some viruses such a Baculovirus penaei, IHHNV, TSV and LOVV, were determinated by demostration of the cytopathical effects characteristic of these agent. Additionaly, a logistic regression analysis was used to determine the relationship between some clinical...
Tipo: Journal Contribution
Palavras-chave: Shrimp culture; Pathology; Pathology; Http://aims.fao.org/aos/agrovoc/c_5631.
Ano: 1999
URL: http://hdl.handle.net/1834/3383

A preliminary study of the aetiology, epizootiology and pathology of 'rusty-yellow' skin discolouration of tilapia species (Oreochromis niloticus and Tilapia zilli
Provedor de dados: 20
Autores: Oladosu, H.A.; Ayinla, O.A.; Ajiboye, M.O.; Egbomuche, G.; Onuoha, G.C.
An upsurge in the prevalence of rusty-yellow discoloration of the skin of the two tilapia species, being cultured at the African Regional Aquaculture Centre (ARAC), gave a basis for an urgent clinical and epizootiological studies of the condition.  The studies were therefore carried out along with the performance of some catfishes in polyculture with Oreochromis niloticus, under the integrated poultry cum fish farming system. It was observed that this condition affects the tilapia species only, and the antemortem, and postmortem examination revealed that the discolouration is restricted to the surface of the cutaneous tissue; affecting the underside of the exposed part of the scales, the fins and the skin flap covering the scale pockets, mostly in adult...
Tipo: Report
Palavras-chave: Aetiology; Pathology; Aetiology; Pathology; Http://aims.fao.org/aos/agrovoc/c_15588; Http://aims.fao.org/aos/agrovoc/c_5631.
Ano: 1990
URL: http://hdl.handle.net/1834/2387

Impact de la proliferation massive des upogebia dans le canal d'alimentation sur la biosecurite d'une ferme de crevette ( cas de l'aqualma - Besalampy)
Provedor de dados: 20
Autores: PATRICK, Voriasy.
Depuis l’assec du canal d’alimentation en 2004 après le passage du cyclone Gafilo, on a constaté une augmentation massive de la densité d’Upogebia spinimanus au sein de la ferme de l’AQUALMA-Besalampy. En cas d’apparition d’une nouvelle maladie des crustacés, ce phénomène constituerait un grand risque en favorisant sa transmission chez les crevettes élevées, voire les consommateurs. Une nouvelle méthode d’approche installée par le laboratoire centrale de l’AQUALMA s’intéresse sur la prévention des risques de maladie liée à la biosécurité, en même temps des crevettes, des consommateurs et de l’environnement. Par conséquent, durant ce 5 mois de stage, des pratiques sur terrain et en laboratoire au moyen de différentes expériences à noter le suivi...
Tipo: Theses and Dissertations
Palavras-chave: Pathology; Shrimp farming; Penaeus monodon; Biosecurity; Upogebia major.
Ano: 2006
URL: http://hdl.handle.net/1834/4993

Mortandad  de peces en la laguna de Yahuarcocha, cantón Ibarra, provincia de Imbabura. Febrero 2003
Provedor de dados: 20
Autores: Maridueña, Ana; Chalén, Norma; Coello, Dialhy; Cajas, Jacqueline; Elías, Esteban; Solís, Pilar; Aguilar, Fernando.
En febrero de 2003 en la Laguna de Yahuarcocha, se registró la muerte masiva de peces, estimándose que morían aproximadamente 500 peces/m2 por causas no conocidas. Fenómeno que se mantuvo durante algunas semanas disminuyendo paulatinamente el número de muertes. El Instituto Nacional de Pesca realizó un monitoreo durante los días 19 y 20 de marzo, con la finalidad de determinar las posibles causas, para lo cual se analizaron los parámetros ambientales, biológicos, identificación de las especies presentes en la laguna y la histopatología de los órganos y tejidos de los peces afectados. Los parámetros físico-químicos en la columna de agua y sedimentos registrados se encontraron dentro de los rangos normales para cuerpos lóticos. Desde el punto de vista...
Tipo: Journal Contribution
Palavras-chave: Mortality causes; Pathology; Water quality; Fresh water; Fish diseases; Fish mortality.
Ano: 2011
URL: http://hdl.handle.net/1834/4501

Phylogenetic and Pathotypic Characterization of a Newcastle Disease Virus Strain Isolated from Ducks and Pigeons in Hubei, China
Provedor de dados: 89
Autores: Wang,Y; Zhang,H; Gu,C; Cheng,G; Zhang,W; Mehmood,K; Hu,X.
ABSTRACT Newcastle disease is a highly contagious disease responsible for major outbreaks and considerable economic losses in the poultry industry in China. There is still little information available regarding gene characterization of the NDV, especially in ducks and pigeons. Therefore, the aim of this study was to investigate NDV isolated from ducks and pigeons in Hubei, China. In this study, three NDVs from ducks and pigeons were isolated between 2013 and 2015.The fusion protein (F) gene of the NDV isolates was sequenced and phylogenetically analyzed. The clinical signs and gross histopathological lesions were examined. Phylogenetic analysis of these strains indicated that all the sequences are classified as genotype II. The isolates shared a 112...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Newcastle disease virus; Phylogenetic analysis; Pathology; Ducks; Pigeons.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2018000100145

Histopathological aspects of the liver of free-living and farmed bullfrogs (Lithobates catesbeianus)
Provedor de dados: 96
Autores: Seixas Filho,José Teixeira de; Camargo Filho,Claudio Barberini; Pereira,Marcelo Maia; Martins,Ana Maria Cristina Rebello Pinto da Fonseca; Ribeiro Filho,Oswaldo Pinto; Mello,Sílvia Conceição Reis Pereira; Cassiano,Luara Lucena; Hipolito,Marcio.
ABSTRACT The objective of this study was to compare the histopathological aspects of the liver of free-living and farmed bullfrogs (Lithobates catesbeianus). Thirty liver samples were collected from young and adult bullfrogs in the states of Minas Gerais and Rio de Janeiro, Brazil. Marked blood congestion and even hemorrhage and a large number of melanomacrophages were observed in most of the livers from free-living bullfrogs. Additionally, hepatocytes showed cytoplasmic eosinophilia and some showed nuclear hypertrophy and presence of microvesicular steatosis; small foci of infiltrates of mononuclear cells were observed in some samples, as well as a thicker capsule. In the farmed bullfrogs, cytoplasmic rarefaction was normal. Morphologically, unlike the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amphibians; Diet; Nutritional disorder; Pathology; Protein.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982017000400275

Veterinarians and fish breeding
Provedor de dados: 195
Autores: de Pérez, Agar Costa Alexandrino.
The objective of this article is to present to the veterinarians all the procedures related to fish breeding. It is a new area of work for these professionals which should be considered as a new reality. The importance of the presence of a veterinarian at the production site in order to warrant the quality of the product is emphasised. The main diseases, prophilaxis and treatment are reported.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Fish; Pathology; Sanity peixes; Patologia; Sanidade.
Ano: 1999
URL: http://www.revistamvez-crmvsp.com.br/index.php/recmvz/article/view/3385

Research in corn and sorghum pathology
Provedor de dados: 106
Autores: Udom Pupipat; Kitti Choonhawongse; Prachum Jutawantana; Wong Bunserbskul; Kittipong Pongboon.
7 tables
Palavras-chave: Corn; Maize; Sorghum; Pathology; Plant diseases; Leaf diseases; Downy mildew; Chemical control; Varieties; Disease resistance; ข้าวโพด; ข้าวฟ่าง; โรคพืช; โรคราน้ำค้าง; โรคราบนช่อข้าวฟ่าง; โรคทางใบ; โรคลำต้นเน่า; โรคแอนแทรคโนส; โรคใบไหม้; โรคใบจุด; โรคราสนิม.
Ano: 1980
URL: http://anchan.lib.ku.ac.th/agnet/handle/001/4016

Progress report in plant pathology for 1981
Provedor de dados: 106
Autores: Udom Pupipat; Thammasak Sommartya; Kitti Choonhawongse; Kittipong Pongboon; Prachum Jutawantana.
11 ill., 8 tables
Palavras-chave: Corn; Maize; Sorghum; Pathology; Downy mildew; Peronosclerospora sorghi; Varieties; Disease resistance; Leaf diseases; Anthracnose; Grey leaf spot; Leaf blight; Rusts; Plant diseases; Disease control; ข้าวโพด; ข้าวฟ่าง; โรคพืช; โรคราน้ำค้าง; โรคราบนช่อข้าวฟ่าง; โรคใบไหม้; โรคราสนิม; โรคใบจุด; โรคแอนแทรคโนส; โรคใบจุด; การคลุกเมล็ดด้วยสารเคมี.
Ano: 1981
URL: http://anchan.lib.ku.ac.th/agnet/handle/001/4055

Annual research report on diseases of corn and job tears in 1983
Provedor de dados: 106
Autores: Somkiat Titatarn; Sawai Nuangpai; Diloke Unchalisangkas; Unchalee Chiengkul.
1 table
Palavras-chave: Corn; Maize; Job's tear; Pathology; Downy mildew; Phyllachora coicis; Varieties; Disease resistance; ข้าวโพด; ลูกเดือย; โรคพืช; โรคราน้ำค้าง.
Ano: 1983
URL: http://anchan.lib.ku.ac.th/agnet/handle/001/4147

Research on corn and sorghum pathology in Thailand
Provedor de dados: 106
Autores: Udom Pupipat; Kitti Choonhawongse; Thammasak Sommartya; Siangjeaw Piriyaprin; Warapa Kunaporn; Prachum Jutawantana.
6 ill., 18 tables
Palavras-chave: Corn; Maize; Sorghum; Pathology; Head mold; Leaf diseases; Downy mildews; Stalk rot; Diplodia zeae; Root diseases; Varieties; Disease resistance; Selection; Fungicides; Disease control; Yields; Fungitoxicology; Severity; Compost making; ข้าวโพด; ข้าวฟ่าง; โรคพืช; โรคราน้ำค้าง; โรคลำต้นเน่า; เชื้อสาเหตุ; สารกำจัดเชื้อรา; ดิพโพลเดีย; โรคที่เกิดกับราก; โรคราบนช่อข้าวฟ่าง; โรคทางใบ; โรคราสนิม.
Ano: 1982
URL: http://anchan.lib.ku.ac.th/agnet/handle/001/4094

Group discussion on plant protection
Provedor de dados: 106
Palavras-chave: Corn; Maize; Plant protection; Pathology; Entomology; ข้าวโพด; การอารักขาพืช; โรคพืช; กีฏวิทยา.
Ano: 1972
URL: http://anchan.lib.ku.ac.th/agnet/handle/001/3911

Bacterial leaf blight of corn in Thailand
Provedor de dados: 106
Autores: Vanida Titatarn; Somkiat Titatarn.
Palavras-chave: Corn; Maize; Pathology; Bacterial leaf blight; Symptoms; Pseudomonas alboprecipitans; ข้าวโพด; โรคพืช; โรคใบไหม้.
Ano: 1982
URL: http://anchan.lib.ku.ac.th/agnet/handle/001/4098

Anomalias e patologias dentárias em Arctocephalus G. Saint-Hilaire &amp;amp; Cuvier (Pinnipedia, Otariidae) da costa do Rio Grande do Sul, Brasil
Provedor de dados: 104
Autores: Drehmer,César Jaeger; Ferigolo,Jorge.
The studied species were Arctocephalus australis (Zimmermann, 1783) and Arctocephalus tropicalis (Gray, 1872), (five specimens of each one). Anomalies were discussed under the light of theories which relate the ancestry of pinnipeds with the Ursidae; as well as concerning the evolutionary trends supposed for the Otariidae. Pathologies were related to alimentary and reproductive habits.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Pinnipedia; Otariidae; Arctocephalus; Anomaly; Pathology; Teeth.
Ano: 1996
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81751996000400008

First natural infection by Ascocotyle (Phagicola) longa Ransom (Digenea, Heterophyidae) in an avian host, Ardea cocoi Linnaeus (Aves, Ciconiiformes, Ardeidae) in Brazil
Provedor de dados: 104
Autores: Barros,Luciano Antunes; Arruda,Vanessa Santos de; Gomes,Delir Corrêa; Pinto,Roberto Magalhães.
The first case of a natural avian infection caused by the digenetic trematode Ascocotyle (Phagicola) longa Ransom, 1920 in Brazil, is reported from the ardeid bird Ardea cocoi Linnaeus, 1766. This represents a new host record and data on clinical and pathological findings are also reported.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Digenea; Ascocotyle (Phagicola) longa; Parasitic infection; Ardea cocoi; Birds; Pathology; Trematode; Parasite; Brazil.
Ano: 2002
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752002000100013

A scientific survey on 1550 cases of oral lesions diagnosed in a Brazilian referral center
Provedor de dados: 42
Autores: VASCONCELOS,ARTUR C.; ABURAD,CARLOS; LIMA,IGOR F.P.; SANTOS,SHEILA M.M.; FREITAS FILHO,SILAS ANTONIO J. DE; FRANCO,ADEMIR; RODE,SIGMAR M.; PARANHOS,LUIZ R.
ABSTRACT The present study aimed to perform an epidemiological survey on the prevalence rate of oral lesions diagnosed in a referral center in Brazil and to establish association between the lesions and the age and gender of the affected patients. This analytical observational study analyzed 3521 medical records of anatomopathological exams of the Pathological Anatomy and Cytopathology Laboratory of the Cancer Hospital of the state of Mato Grosso (Brazil), from December 2011 to September 2015. A total of 1550 relevant medical records was detected. Patients aging between 41 and 60 consisted of 42.84% of the sample. Males were more affected than females (60.13%). Inflammatory processess consisted of the most prevalent diagnosis (43.29%), followed by squamous...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Diagnosis; Oral medicine; Pathology; Stomatology.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652017000401691

Magnetic resonance imaging and pathological features of a mixed glioma in a dog: case report
Provedor de dados: 45
Autores: Granato,T.M.; Mesquita,L.P.; Costa,R.C.; Andrade Neto,J.P.; Maiorka,P.C.
ABSTRACT The aim of this report was to describe the magnetic resonance imaging (MRI) and pathological features of a canine mixed glioma. A 12-year-old boxer male dog was presented for necropsy along with data from an MRI evaluation conducted ante-mortem. The images were examined and showed a poorly demarcated prosencephalic lesion, hyperintense on T2W images, hypointense on T1W images and heterogeneously hyperintense on T2W FLAIR images. There was mild nonuniform contrast enhancement, apparent midline shift, moderate perilesional edema and marked distortion of the adjacent lateral ventricle. The brain was evaluated macroscopically, microscopically and immunohistochemically. Grossly, there was a poorly demarcated soft mass, with areas of hemorrhage, within...
Tipo: Info:eu-repo/semantics/report
Palavras-chave: Mixed glioma; Dogm; MRI; Pathology.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352018000501383

Retrospective study of Bovine herpesvirus 5 meningoencephalitis in cattle from São Paulo State, Brazil
Provedor de dados: 45
Autores: Cagnini,D.Q.; Andrade,D.G.A.; Cunha,P.H.J.; Oliveira-Filho,J.P.; Amorim,R.L.; Alfieri,A.A.; Borges,A.S.
ABSTRACT Meningoencephalitis caused by Bovine herpesvirus 5 (BoHV-5) is an important neurological disease that affects Brazilian cattle herds. The present study investigated the presence of BoHV-5 DNA in cattle diagnosed with meningoencephalitis at Faculdade de Medicina Veterinária e Zootecnia, UNESP - Univ Estadual Paulista from 1980 to 2009. The records obtained from the Large Animal Internal Medicine Service and the Animal Pathology Service were reviewed to identify clinical and epidemiological data from cattle with neurological signs. Excluding rabies cases, we found 115 cases of cattle with neurological signs that had been necropsied. Non-suppurative meningoencephalitis was diagnosed in 28 animals of the 115 initially selected based on...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cattle diseases; Herpesvirus 5 bovine; Meningoencephalitis; Pathology; Polymerase chain reaction.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352017000200299

Systematic and pathologic study of Paratanaisia bragai (Santos, 1934) Freitas, 1959 (Digenea, Eucotylidae) infestation in ruddy ground dove Columbina talpacoti (Temminck, 1811)
Provedor de dados: 45
Autores: Pinto,R.M.; Menezes,R.C.; Tortelly,R.
This is the first report of the digenetic trematode Paratanaisia bragai infestation in a ruddy ground dove Columbina talpacoti, captured in a suburban area of Rio de Janeiro, Brazil. Although with a low prevalence (10%), the intensity of infection was high, considering that 116 worms were recovered from one of the kidneys. Gross lesions were not observed and histopathological analysis showed very dilated renal collecting ducts with destruction and flattening of the lining epithelial cells, without inflammatory reaction. The pathological findings were compared to those previously reported for P. bragai in other hosts, since the proposal of the species in 1934.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Ruddy ground dove; Digenea; Paratanaisia bragai; Columbina talpacoti; Pathology; Brazil.
Ano: 2004
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352004000400008

An anatomopathological study of hepatic coccidiosis (Calyptospora sp.) in the Acará-pixuna, Aequidens plagiozonatus Kullander, 1984 from the Brazilian state of Pará
Provedor de dados: 45
Autores: Videira,M.; Velasco,M.; Tortelly,R.; Menezes,R.C.; São Clemente,S.C.; Matos,E.
The present study focuses on the anatomopathological alterations provoked by parasitism by Calyptospora sp. in 40 specimens of Aequidens plagiozonatus collected in Pará, Brazil. Examinations of the fresh material by compression of the hepatopancreas and histological sections showed immature forms and oocysts characteristic of the genus Calyptospora, in addition to a large quantity of melanomacrophagic centers spread throughout the organ. No significant inflammation of the hepatic tissue was observed. The melanomacrophagic centers and the compression of the hepatocytes are part of the response of the host to the parasite. This study represents the first record of parasitism by Calyptospora in A. plagiozonatus.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Fish; Acará-pixuna; Parasite; Coccidio; Calyptospora; Pathology.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352013000100014

Pathologic evaluation of testis and epididymis of hairy rams in the semi-arid region of Piaui State
Provedor de dados: 45
Autores: Costa,F.L.A.; Silva,S.M.M.S.; Nascimento,E.F.
The gross and histological examinations of testis and epididymis of 53 crossbred hairy rams in the semi-arid region of Piaui State showed 34 (64.1%) animals with pathologic changes: one animal presented (1.9%) testicle hipoplasia; 35 (66%) degenerative changes, being 13 (24.5%) related to testicular degeneration, three (5.7%) to intraepithelial cysts in the epididymal epithelia and 19 (35.8%) to retention cysts in the epididymis; 11 (20.7%) inflammatory alterations, being five (9.4%) related to epididymitis, four (7.5%) to orchitis and two (3.8%) to spermatic granulomas. The animals with hypoplasic testicle, testicular degeneration and inflammatory alterations were classified as sub-fertile.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Hairy rams; Testis; Epididymis; Pathology.
Ano: 2007
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352007000500004

A case report of renal cell carcinoma in a dog
Provedor de dados: 45
Autores: Paşca,A.-S.; Lazăr,M.
Mix renal carcinoma was noticed during the necropsic examination of a 14 year old mix breed female. Tumours were bilateral and metastasis was noticed in the spleen and myocard. Histological examination evidenced morphological aspects characteristic to the mixt renal carcinoma. Histological aspects described in this individual characterize renal cell carcinoma, also known as renal adenocarcinoma, hypernephroma or, in older literature, Grawitz tumour.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Dog; Renal carcinoma; Pathology.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352013000500004

Effects of experimental infections with larvae of Eustrongylides ignotus Jäegerskiold, 1909 and Contracaecum multipapillatum (Drasche, 1882) Baylis, 1920 in rabbits
Provedor de dados: 45
Autores: Barros,L.A.; Tortelly,R.; Pinto,R.M.; Gomes,D.C.
Rabbits were infected per os with 10 Eustrongylides ignotus L4 and with 50 Contracaecum multipapillatum L3 per rabbit, recovered from naturally infected freshwater fishes (Hoplias malabaricus) in order to evaluate the patogenicity of these two nematode species in mammalian host. Two rabbits (20%) infected with E. ignotus died before the fourth day post-inoculation (one after 51 and the other after 78 hours). Six rabbits (60%) were inappetent until the fifth day following experimental inoculation. No clinical signs in rabbits inoculated with C. multipapillatum were observed; nevertheless, eight (80%) animals were positive for this nematode species. Rabbits inoculated with E. ignotus, had gastric congestion with hematoma of the gastric wall in 60% of the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Eustrongilydes ignotus; Contracaecum multipapillatum; Experimental infection; Rabbits; Pathology.
Ano: 2004
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352004000300007

Cheilospirura hamulosa (Diesing, 1851) (Nematoda, Acuarioidea) in turkeys in Brazil: occurrence and pathology
Provedor de dados: 45
Autores: Brener,B.; Tortelly,R.; Muniz-Pereira,L.C.; Pinto,R.M.
Relata-se o primeiro caso de infecção de perus, Meleagris gallopavo, por Cheilospirura hamulosa no Brasil, com base no achado de três espécimes fêmeas de C. hamulosa, inseridos na submucosa da moela de um peru, retirado de um lote de 15 aves, provenientes de criadouros domésticos no estado de Minas Gerais. A ocorrência foi de 6,7%. A ave parasitada não apresentava sinais clínicos. As lesões microscópicas da moela eram severas, caracterizando-se por intensos processos inflamatórios crônicos e difusos, com infiltrados mistos de granulócitos, estendendo-se à mucosa e às camadas musculares. Nessa área, foram observados fragmentos dos parasitos e perfuração da mucosa, com destruição das camadas musculares.
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Turkey; Pathology; Parasitism; Meleagris gallopavo; Cheilospirura hamulosa.
Ano: 2006
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352006000200021

Gastric lesions associated with the presence of Anisakis spp. Dujardin, 1845 (Nematoda: Anisakidae) in Cetaceans stranded on the coast of Ceara, Brazil
Provedor de dados: 49
Autores: Motta,Monica Regina Alves; Pinheiro,Diana Célia Sousa Nunes; Carvalho,Vitor Luz; Viana,Daniel de Araújo; Vicente,Ana Carolina Paulo; Iñiguez,Alena Mayo.
The gastric compartments of ten cetaceans stranded on the coast of Ceará State, Northeast Brazil were analyzed in this study. Gastric Anisakis spp. was diagnosed in all individuals involved in this study. Parasites and tissue samples were collected during necropsy. The presence of Anisakis parasites showed similar distribution across the three gastric compartments and the majority was free within the gastric lumen. Macroscopically, the lesions were predominantly characterized by the presence of ulcers (60%, 6/10) within the gastric mucosa, occasionally associated with edema and hemorrhage (30%, 3/10). Eight cetaceans (8/10 - 80%) presented gastric microscopic alterations and in 75% (6/8) of these animals, chronic lymphoplasmocytic gastritis was observed...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Anisakis sp; Nematodes; Ulcers; Pathology; Marine mammals; Cetaceans; Stranding.
Ano: 2008
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032008000200010

Composition and significance of glycosaminoglycans in the uterus and placenta of mammals
Provedor de dados: 52
Autores: Oliveira,Gleidson Benevides de; Vale,André Menezes do; Santos,Amílton Cesar dos; Moura,Carlos Eduardo Bezerra de; Rocha,Hugo Alexandre de Oliveira; Oliveira,Moacir Franco de.
Glycosaminoglycans (GAGs) are heteropolysaccharides in mammalian tissue and consist of repeated disaccharide units with mono-sulfated or non-sulfated monosaccharides. GAGs are important components of the Extracellular Matrix (ECM) with several physiological roles, in the recognition, migration, adhesion, proliferation and differentiation processes. They are also important in angiogenesis, blood homeostasis, immune reactions, follicule development and also in the development of pathologies such as infertility, tumors and metastases. It has been shown that the profile of glycosaminoglycans in the uterine and placental tissues is highly variable throughout the reproductive cycle and during pregnancy. It may be directly related to their physiological or...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Extracellular matrix; Hormonal fluctuation; Reproductive events; Euterium mammals; Pathology.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132015000400512

Bark Extract of Bathysa cuspidata in the Treatment of Liver Injury Induced by Carbon Tetrachloride in Rats
Provedor de dados: 52
Autores: Gonçalves,Reggiani Vilela; Matta,Sérgio Luis Pinto da; Novaes,Rômulo Dias; Leite,João Paulo Viana; Peluzio,Maria do Carmo Gouveia; Vilela,Emerson Ferreira.
The aim of this study was to investigate the effect of bark extract Bathysa cuspidata (BCE) in the reconstitution of hepatic parenchyma and stroma after dysfunction induced by the CCl4. Liver lesions were induced by intraperitoneal administration of CCl4 (1 mL/kg) every 48 h for 12 days. The animals were treated with B. cuspidata extract (BCE) administered by gavage for another 12 days. Forty-nine rats were randomized into seven treatment groups with seven animals receiving CCl4, BCE (200, or 400 mg/kg) and the vehicle DMSO alone, or in different combinations. The extract alone showed no evidence of hepatic toxicity. In general, rats acutely exposed to CCl4 without the treatment with BCE presented high ALT and AST serum levels and high tissue content of...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Antioxidant defense; Biotechnology; Hepatotoxicity; Phytotherapy; Pathology.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132014000400504

Retrospective review and systematic study of mammary tumors in dogs and characteristics of the extracellular matrix
Provedor de dados: 62
Autores: Martins,Ana Maria Cristina Rabello Pinto da Fonseca; Tamaso,Elia; Guerra,José Luiz.
The aim of the present study was to perform a retrospective review, from 1932 to 1999, in order to establish the number of cases of mammary tumors in dogs in the records at the Pathology Department of Faculdade de Medicina Veterinária - USP, as well as the presence of desmoplasia and cartilaginous and bone metaplasia in 578 of these tumors. Among the 537 malignant tumors, 13.05% were simple tubular adenocarcinomas, 3.91% were complex tubular adenocarcinomas, 7.26% simple papillary adenocarcinomas, 4.28% complex papillary adenocarcinomas , 23.27% simple papillary cystadenocarcinomas ,8.37% complex papillary cystadenocarcinomas,16.38% simple solid adenocarcinomas ,6.70% complex solid adenocarcinomas, 2.04% simple spindle cell carcinomas, 1.11% simple spindle...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Mammary neoplasms; Dogs; Pathology; Extracellular matrix; Frequency.
Ano: 2002
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-95962002000100007

Association between prostate cancer and schistosomiasis in young patients: a case report and literature review
Provedor de dados: 55
Autores: Bacelar,Albert; Castro,Larissa G.M.C.; Queiroz,Aristides Cheto de; Café,Eduardo.
This case report refers to a 47-year old patient with prostate cancer associated with schistosomiasis mansoni, who was submitted to radical prostatectomy. This is the third report published in the literature with respect to this association, and up to the present time it is still not known whether a cause and effect relationship exists between the two pathologies. The association between schistosomiasis and cancer has been well-documented in bladder cancer; however, there are no data yet proving the association of this disease with prostatic neoplasia. In this report, a third documented case of prostatic adenocarcinoma and schistosomiasis mansoni is described and a literature review is performed.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Prostate cancer; Schistosomiasis; Prostatectomy; Pathology.
Ano: 2007
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702007000500014

An experimental model of hemolysis-induced acute pancreatitis
Provedor de dados: 56
Autores: Saruc,M.; Yuceyar,H.; Turkel,N.; Ozutemiz,O.; Tuzcuoglu,I.; Yuce,G.; Huseyinov,A.
The literature indicates that acute pancreatitis is a complication of massive hemolysis with a prevalence of about 20%. We describe an experimental model of hemolysis-induced acute pancreatitis. Hemolytic anemia was induced in rats by a single ip injection of 60 mg/kg of 20 mg/ml acetylphenylhydrazine (APH) in 20% (v/v) ethanol on the first experimental day (day 0). One hundred and fifty Wistar albino rats weighing 180-200 g were divided into three groups of 50 animals each: groups 1, 2 and 3 were injected ip with APH, 20% ethanol, and physiological saline, respectively. Ten rats from each group were sacrificed on study days 1, 2, 3, 4 and 5. Serum amylase, lipase levels and pancreatic tissue tumor necrosis factor-alpha (TNF-alpha) and platelet-activating...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Hemolysis; Pancreatitis model; Experimental pancreatitis; Etiology; Pathology.
Ano: 2003
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2003000700008

The role of complement in the early phase of Leishmania (Leishmania) amazonensis infection in BALB/c mice
Provedor de dados: 56
Autores: Laurenti,M.D.; Örn,A.; Sinhorini,I.L.; Corbett,C.E.P.
Complement-depleted and -non-depleted BALB/c mice were inoculated with Leishmania (Leishmania) amazonensis promastigotes into the hind footpad to study the role of the complement system in cutaneous leishmaniasis. Total serum complement activity was measured by hemolytic assay and C3 fragment deposit at the inoculation site was determined by direct immunofluorescence in the early period of infection, i.e., at 3, 24, 48 h and 7 days post-infection. The inflammatory reaction and the parasite burden were evaluated in the skin lesion at 7 and 30 days post-infection. Total serum complement activity decreased in the early phase of infection, from 3 to 24 h, in non-depleted mice compared to non-infected and non-depleted mice. C3 fragment deposit at the site of...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cutaneous leishmaniasis; Leishmania (Leishmania) amazonensis; Complement; Pathology.
Ano: 2004
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2004000300021

Cytokine profile and pathology in human leishmaniasis
Provedor de dados: 56
Autores: Ribeiro-de-Jesus,A.; Almeida,R.P.; Lessa,H.; Bacellar,O.; Carvalho,E.M.
The clinical spectrum of leishmaniasis and control of the infection are influenced by the parasite-host relationship. The role of cellular immune responses of the Th1 type in the protection against disease in experimental and human leishmaniasis is well established. In humans, production of IFN-&lt;FONT FACE="Symbol"&gt;g&lt;/font&gt; is associated with the control of infection in children infected by Leishmania chagasi. In visceral leishmaniasis, an impairment in IFN-&lt;FONT FACE="Symbol"&gt;g&lt;/font&gt; production and high IL-4 and IL-10 levels (Th2 cytokines) are observed in antigen-stimulated peripheral blood mononuclear cells (PBMC). Moreover, IL-12 restores IFN-&lt;FONT FACE="Symbol"&gt;g&lt;/font&gt; production and enhances the cytotoxic...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Leishmaniasis; Human leishmaniasis; Cytokines; Pathology; Immunological responses.
Ano: 1998
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X1998000100020

Pitfalls in the assessment of murine atherosclerosis
Provedor de dados: 56
Autores: Catanozi,S.; Rocha,J.C.; Passarelli,M.; Chiquito,F.C.; Quintão,E.C.R.; Nakandakare,E.R.
This review provides examples of the fact that different procedures for the measurement of atherosclerosis in mice may lead to interpretation of the extent of atherosclerosis having markedly different biological and clinical significance for humans: 1) aortic cholesterol measurement is highly sensitive for the detection of early and advanced atherosclerosis lesions, but misses the identification of the location and complexity of these lesions that are so critical for humans; 2) the histological analysis of the aortic root lesions in simvastatin-treated and control mice reveals similar lesion morphology in spite of the remarkable simvastatin-induced reduction of the aortic cholesteryl ester content; 3) in histological analyses, chemical fixation and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Atherosclerosis; Animal models; Disease models; Aorta; Pathology.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2009000600001

Detection of Mycobacterium avium in pet birds
Provedor de dados: 58
Autores: Godoy,Silvia Neri; Sakamoto,Sidnei Miyoshi; Paula,Cátia Dejuste de; Catão-Dias,José Luiz; Matushima,Eliana Reiko.
The present study is a report on the presence of Mycobacterium avium in four birds of the psittaciform order kept as pets. Anatomopathological diagnosis showed lesions suggestive of the agent and presence of alcohol-acid resistant bacilli (AARB) shown by the Ziehl-Neelsen staining. The identification of Mycobacterium avium was performed by means of PRA (PCR Restriction Analysis). DNA was directly extracted from tissue of the lesions and blocked in paraffin. The role of this agent in pet bird infection is discussed, as well as its zoonotic potential.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Mycobacterium avium; Psittacines; Pathology; Birds.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822009000200011

Canine hypertrophic osteopathy associated with extra-thoracic lesions
Provedor de dados: 65
Autores: Headley,Selwyn Arlington; Ribeiro,Eduardo Alcântara; Santos,Gustavo José Von G. dos; Bettini,Carlos Maia; Mattos Júnior,Ewaldo.
Canine hypertrophic osteopathy is described in a dog that presented extra-thoracic lesions, mainly in the liver. Hepatic lesions were characterized by necrosis, hemorrhage, severe hydropic degeneration of centrolobular hepatocytes, proliferation of epithelial cells of bile ducts, and mild biliary stasis. The disease syndrome was diagnosed based on clinical signs, radiological evaluation, and inspection of macerated bones.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Hypertrophic osteopathy; Dog; Pathology; Radiology; Liver.
Ano: 2005
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782005000400033

Renal cell carcinoma with peritoneal carcinomatosis in a mare
Provedor de dados: 65
Autores: Mesquita,Leonardo Pereira; Mesquita Neto,Francisco Duque de; Varaschin,Mary Suzan; Wouters,Angélica Terezinha Barth; Wouters,Flademir.
ABSTRACT: Renal cell carcinoma, especially with extensive involvement of peritoneal cavity, is rarely described in horses. This study described a case of renal cell carcinoma in an 8-year-old mare, which presented with an enlargement in the left flank, decreased appetite and straining to defecate. Clinically, a tumor in the left retroperitoneal space was detected by rectal examination and ultrasonography. The animal died after one month of clinical evolution. At necropsy, the left kidney was completely effaced by a 50cm in diameter, irregular, round, lobulated cystic mass with necro-hemorrhagic areas. Within the peritoneal cavity, there was severe hemoperitoneum and numerous sessile and pedunculated masses ranging from 2.0 to 15.0cm diameter that were...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Equine; Renal neoplasia; Pathology; Kidney; Tumor.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782017000100602

Acute renal failure in a horse following bee sting toxicity
Provedor de dados: 65
Autores: Ribeiro,Paula Reis; Bianchi,Matheus Viezzer; Henker,Luan Cleber; Gonzales,Fernando; Pavarini,Saulo Petinatti.
ABSTRACT: Bee envenomation is frequent in humans and dogs, but uncommon in horses. This study aimed to describe a case of acute renal failure following mass envenomation in a horse. A mare was attacked by a swarm of bees and showed reluctance to move, epistaxis, and dark-brown urine. Biochemical exams revealed increase in urea and creatine serum levels. The mare did not respond to treatment and euthanasia was elected after four days of clinical course. At the necropsy, there were multifocal pinpoint to elevated skin lesions associated with edema and hemorrhage, which extended to the subcutaneous tissue and skeletal muscle, and the kidneys were diffusely dark-brown and friable. Microscopically, renal tubules were distended and filled with an orange-red,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Acute renal failure envenomation; Pathology; Veterinary toxicology.
Ano: 2020
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782020000500551

Vertebral hemangiosarcoma as a cause of spinal cord compression in a horse
Provedor de dados: 65
Autores: Barros,Claudio Severo Lombardo de.
A case compression of the spinal cord in a horse by a tumor located in the vertebra is described. A 10-year-old gelding was euthanized after being found recumbent with hind limb paresis of unknown duration. At necropsy an hemangiosarcoma was detected in the vertebral body of T3. The tumoral mass invaded upwards through the bone tissue of the vertebral body into the vertebral canal, compressing the spinal cord and causing Wallerian degeneration at T1-3 levels of the cord.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Bone tumors; Equine; Pathology.
Ano: 1997
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84781997000300024

Clinical, parasitological and obstetric observations in pregnant bitches with experimental toxoplasmosis
Provedor de dados: 65
Autores: Bresciani,Katia Denise Saraiva; Toniollo,Gilson Hélio; Costa,Alvimar José da; Sabatini,Gustavo Adolfo; Moraes,Flávio Ruas de.
Eight pregnant mixed breed bitches, serologically negative for Toxoplasma gondii, were divided into three groups. Group I : bitches 01 and 02 (1.0 x 10(7) tachyzoites of Toxoplasma gondii, subcutaneous route); Group II: bitches 03, 04 and 05 (1.5 x 10(4) oocysts, oral route); Group III: bitches 06, 07 and 08 (as control). Clinical and obstetric examinations were conducted twice a day on each bitch, and weekly ultra-sonografic evaluations were performed until the end of pregnancy. From the 2nd day the bitches presented clinical alterations such as fever, nasal flowing, lachrymation, prostration, lymphadenopathy, premature parturition, abortion and fetal death. In Group I, Toxoplasma gondii was isolated from the bitches urine (day 10) and saliva (day 18)....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Toxoplasmosis; Toxoplasma gondii; Pregnant bitches; Pathology.
Ano: 2001
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782001000600020

Pneumonia by Cryptococcus neoformans in a goat in the Southern region of Brazil
Provedor de dados: 65
Autores: Bianchi,Ronaldo Michel; Cecco,Bianca Santana de; Schwertz,Claiton Ismael; Panziera,Welden; Andrade,Caroline Pinto de; Spanamberg,Andreia; Ravazzolo,Ana Paula; Ferreiro,Laerte; Driemeier,David.
ABSTRACT:  This report describes the clinical, pathological, and molecular aspects of a pneumonia by Cryptococcus neoformans in a goat in the Southern region of Brazil. A goat with a history of prolonged transportation presented dyspnea, nasal discharge and cough, and was subjected to necropsy, histopathology, and mycological evaluation. Grossly, cranio-ventral pulmonary consolidation was observed, characterized by firm and grayish areas interspersed with dark red foci. Histopathology of the lungs showed areas of parenchymal necrosis, containing blastoconidia with a slightly basophilic central cell, surrounded by an unstained capsule. It was associated with moderate granulomatous inflammatory infiltrate and peripheral fibrosis. The capsule and fungus cell...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Goats; Respiratory diseases; Pathology; Mycology; Molecular diagnosis.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782018001000551

Fatal systemic Mortierella wolfii infection in a neonatal calf in southern Brazil
Provedor de dados: 65
Autores: Bianchi,Ronaldo Michel; Vielmo,Andréia; Schwertz,Claiton Ismael; Cabreira,Adan; Rocha,Jéssica Goulart da; Siqueira,Franciele Maboni; Pavarini,Saulo Petinatti.
ABSTRACT: This study described the pathological and microbiological aspects of a fatal systemic Mortierella wolfii infection in a neonatal calf in southern Brazil. The calf was born clinically normal, but on the third day of life it presented apathy, unilateral hypopyon, and neurological signs, and in the next day it was euthanized. At necropsy, multiple soft, and white-yellow nodules were observed in the liver, spleen, kidneys, mesenteric lymph nodes, heart, and lungs. In the brain, reddish, and friable areas were found. In the eye, there were anterior and posterior synechiae, diffuse thickening of choroid, and anterior chamber filled by whitish and friable material. Microscopically, areas of necrosis, pyogranulomatous inflammation, vasculitis,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cattle diseases; Fungal diseases; Pathology; Molecular diagnosis.
Ano: 2020
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782020000100551

Mannheimia haemolytica pleuropneumonia in goats associated with shipping stress
Provedor de dados: 65
Autores: Taunde,Paula Augusto; Argenta,Fernando Froner; Bianchi,Ronaldo Michel; Cecco,Bianca Santana de; Vielmo,Andréia; Lopes,Bruna Corrêa; Siqueira,Franciele Maboni; Andrade,Caroline Pinto de; Snel,Gustavo Geraldo Medina; Barros,Claudio Severo Lombardo de; Sonne,Luciana; Pavarini,Saulo Petinatti; Driemeier,David.
ABSTRACT:  This study described the epidemiological, clinical, pathological and bacteriological aspects of Mannheimia haemolytica pleuropneumonia in goats associated with shipping stress. Forty goats transported from the Northeast to the Southern region of Brazil died during shipment, or 2-3 days after unloading. Clinical signs included dyspnea, mucopurulent nasal discharge, and coughing. All goats were necropsied, and multiple tissues were collected for histopathological analysis and involved agent identifications. All lungs showed pulmonary consolidation, predominantly affecting the cranioventral lobes, in addition to the marked fibrinous pleuritis, pleural thickening, and pleural adhesions, that affected 90% of the goats. Histologically, there was...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Goat diseases; Respiratory diseases; Pathology; PCR.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782019000100451

Fatal asphyxia due to laryngeal displacement by large-sized prey in a Guiana dolphin (Sotalia guianensis), Brazil
Provedor de dados: 65
Autores: Mariani,Daniela Bueno; Guimarães,Juliana Plácido; Batista,Renata Guedes; Brum,Andrei; Groch,Kátia Regina; Díaz-Delgado,Josué; Parente,Jociery Einhardt Vergara.
ABSTRACT: The Guiana dolphin (Sotalia guianensis) is a small odontocete distributed from Santa Catarina state, Brazil, to Honduras. Although it is currently considered “near threatened” by the International Union for Conservation of Nature, considerable knowledge on health and disease aspects of this species has been gained over the last decade. The main threats for the species are represented by multiple anthropic factors. Guiana dolphins feed on a variety of taxa, primarily teleosts, crustaceans, and cephalopods. Herein, we reported a case of severe laryngeal displacement and esophageal impaction with ulceration associated with a deglutted adult leatherjacket (Oligoplites sp.). This fish species is not a common prey item of Guiana dolphins’ diet. Severe...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Deglutition; Larynx; Cetacean; Pathology; Predator-prey interaction; Impaction; Esophageal ulcer.
Ano: 2020
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782020000200550

Chronic cardiomyopathy and encephalic spongy changes in sheep experimentally fed Ateleia glazioviana
Provedor de dados: 65
Autores: Raffi,Margarida Buss; Rech,Raquel Rubia; Sallis,Elisa Simone Viegas; Rodrigues,Aline; Barros,Claudio Severo Lombardo de.
Fifteen mature crossbred sheep were fed different daily amounts (2.5-35g kg-1 bw) of the fresh green leaves of Ateleia glazioviana for different periods of time (1-24 days). One sheep was not fed the plant and served as a control. All 16 sheep were euthanatized at different stages of the experiment, necropsied, and several organs, including heart and brain were evaluated histologically. Samples of five brain regions from three affected sheep were evaluated by electron microscopy. Clinical signs observed in three sheep included depression, anorexia, general weakness, staggering gait and prolonged recumbency. One sheep had signs of congestive heart failure. Necropsy findings included subcutaneous dependent edema and edema of the body cavities in two sheep...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Poisonous plants; Ateleia glazioviana; Cardiomyopathy; Cerebral spongy degeneration; Pathology; Sheep diseases.
Ano: 2006
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782006000600030

Natural Sarcocystis gigantea infection in sheep from Southern Brazil
Provedor de dados: 65
Autores: Damboriarena,Pedro Araujo; Silveira,Caroline Silva; Morais,Raissa Moreira; Anjos,Bruno Leite.
ABSTRACT: Protozoal diseases caused by species of Sarcocystiscan cause serious damage in sheep flocks, inducing decreased growth conversion rates and partial or complete loss of carcasses at the slaughterhouse. This article describes an outbreak of  Sarcocystis giganteainfection in sheep slaughtered in a farm in Rio Grande do Sul State, Brazil. Between July and September 2013, three sheep showed multiple nodules in the esophagus that were microscopically characterized as encapsulated cysts filled with elongated, basophilic, nucleated structures morphologically consistent with S. giganteabradyzoites. Diagnosis was made based on the epidemiological, macroscopic, and microscopic findings. This is the first report of this infection in sheep in Rio Grande do...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Sarcocystosis in sheep; Apicomplexa; Pathology.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782016000701229

Anatomo-pathological aspects of parasitism by nematodes of the superfamily Metastrongyloidea in wild crab-eating fox (Cerdocyon thous) in Midwestern Brazil
Provedor de dados: 65
Autores: Ferreira Júnior,Jair Alves; Blume,Guilherme Reis; Sousa,Susy Karoline Hermes de; Carvalho,Clarissa Machado de; Gardiner,Chris.
ABSTRACT: Nematodes of the superfamily Metastrongyloidea affect the respiratory, cardiovascular, and nervous systems of domestic carnivores and are uncommonly detected in wild animals. This report describes the lesions associated with pulmonary parasitism by nematodes of the superfamily Metastrongyloidea in a wild crab-eating fox ( Cerdocyon thous ) in the Federal District, Brazil. Grossly, there was pulmonary hyperemia, edema, and emphysema. Microscopically, there was granulomatous arteritis associated with intravascular metastrongylid. The anatomical location, characteristic lesion, and histological features of the parasite suggested that the nematode involved in this case is Angiostrongylus vasorum . This worm is frequently reported parasitizing...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Angiostrongylus; Nematode; Wild canids; Pathology.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782017000200501

Metastasizing oral melanoma in a cow
Provedor de dados: 65
Autores: Brito,Marilene de Farias; França,Ticiana Nascimento; Jabour,Flávia Figueiraujo; Seixas,Josilene Nascimento; Andrade,Gisele Braziliano; Oliveira,Laura Iglesias; Peixoto,Paulo Vargas.
A malignant dendritic melanoma of the oral cavity with metastases widely spread in a cow is described. The clinicopathological manifestations, developed during a two-year period, was characterized by the difficulty in mastication and swallowing, progressive weight loss, weakness and profuse sialorrhea. At the necropsy, an ulcerated black mass was found at the left jaw projecting into the oral cavity. The tumor reached the chin, inferior lip and tongue. Metastases were detected within the tongue, parotid gland, lymph nodes, trachea, thyroid, pleura, lungs, heart, peritoneum, omentum, and serosal membranes of the forestomach and abomasum, liver, and intima of some hepatic vessels, mammary gland, and muscles and fasciae of the left hind leg. No reference to...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Oral dendritic melanoma; Cattle; Pathology; Neoplasm.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782009000400045

Ischemic myelopathy caused by fibrocartilaginous embolism in a horse
Provedor de dados: 65
Autores: Panziera,Welden; Bianchi,Ronaldo Michel; Pereira,Paula Reis; Flores,Mariana Martins; Togni,Monique; Pereira,Roberta Carneiro da Fontoura; Corte,Flávio De La; Fighera,Rafael Almeida.
ABSTRACT: This report described clinical, epidemiological, and pathological aspects of ischemic myelopathy caused by fibrocartilaginous embolism (FCE) in a 10-year-old, mixed breed gelding. Clinically, the horse presented acute hind limbs paralysis, with a clinical course of approximately 24 hours. At necropsy, no gross lesions were observed. Cross-sections of the spinal cord revealed focally extensive areas of malacia from the T10 to L4 segments. Focally extensive areas of liquefactive necrosis involving the gray matter and adjacent white matter were observed on histologic sections. The lumen of multiple blood vessels in the periphery of the necrotic areas was occluded by fibrocartilaginous emboli that strongly stained with alcian blue. Clinical signs,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Equine diseases; Neurological disorder; Ischemic myelopathy; Pathology.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782018000200502