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| Registros recuperados: 185 | |
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| Renault, Tristan. |
| Mortalities in a number of commercially important mollusc species have been associated with the detection of viruses belonging to several families. The first description of a virus was in adult eastern oyters, Crassostrea virginica, with the detection of virus particles resembling members of the family Herpesviridae. Subsequently, mass mortalities in French stocks of adult Portuguese oysters, C. angulata, were associated with irido-like virus infection. Other viruses observed in molluscs are described as members of the families Iridoviridae, Papovaviridae and Reoviridae. Little information is available on viral infections that affect molluscs due to primarily to the inadequacy of diagnostic methods that are employed when mass mortality events occur. Most... |
| Tipo: Text |
Palavras-chave: Virus; Scallops; Picornavirus; Oyter herpesvirus 1; Oysters; Molluscs; Irido Like virus; Diseases; Herpesvirus; Clams; Bivalves; Birnavirus; Abalones. |
| Ano: 2008 |
URL: http://archimer.ifremer.fr/doc/2008/publication-4932.pdf |
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| Rotschild, B. J.; Ault, J. S.; Goulletquer, Philippe; Jensen, W. P.; Heral, Maurice. |
| The oyster population in the Maryland portion of the Chesapeake Bay has declined b y more than 38-fold since the early part of the century. Although the effects of fishing have been implicated, the decline has been attributed primarily to water quality and recently oyster disease. The decline has also been thought to have affected the biota and chemistry of the Bay. Our analysis provides a quantitative demonstration that the long-term declines are largely the result of habitat loss related to over fishing early in the century, stock over fishing, early in the century' through the recent times. Furthermore, the major ecological effects on Chesapeake Bay occurred well-before World War 1/, before industrialization and the prevalence of disease |
| Tipo: Text |
Palavras-chave: USA; Chesapeake Bay; Prevalence of disease; Industrialization; Diseases; Crassostrea virginica; Oysters. |
| Ano: 1991 |
URL: http://archimer.ifremer.fr/doc/1991/acte-3058.pdf |
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| Hill, B; Kinkelin De, P; Chen, S. |
| The Office International des Epizooties (O.I.E.) is an international veterinary organisation (established in 1924) comprising 110 member countries worldwide. Its main objective is to promote awareness of serious animal disease problems associated with trade in live animals and of means for control and prevention. It acts as a central source of information on the occurrence and progress of epizootics of listed diseases and the methods being applied for their control in individual countries. This information is disseminated through a monthly bulletin and a yearly report on the animal health situation worldwide. The Animal Health code lays down recommended procedures for health surveillance of animals for domestic and international trade. |
| Tipo: Text |
Palavras-chave: Aquaculture; Diseases; Legislation. |
| Ano: 1989 |
URL: http://archimer.ifremer.fr/doc/1989/acte-1476.pdf |
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| Queirogas,Vera Lúcia de; Oliveira,Liliane Martins de; Marques,Renata Leal; Oliveira,Diego Silva Freitas; Szabó,Matias Pablo Juan. |
| We herein report tick (Acari: Ixodidae) infestation of four domestic dogs wandering inside Serra de Caldas Novas State Park, Goiás. Twenty seven ticks were collected from these hosts along nine days in November 2008. Ticks were identified as adults of Amblyomma cajennense, Amblyomma ovale, Amblyomma tigrinum and Rhipicephalus sanguineus as well as Amblyomma spp. nymphs. One of the dogs displayed facial myoclonus, a symptom of canine distemper. Such disease is a serious viral and contagious disease of dogs and also of several wild animals. Overall tick species found on dogs clearly showed the transit of these hosts between the natural areas of the park and anthropic areas, urban or rural. Such situation illustrates the potential of dogs to transmit... |
| Tipo: Info:eu-repo/semantics/other |
Palavras-chave: Canids; Diseases; Amblyomma spp.; Distemper; Conservation units. |
| Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032010000100032 |
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| Heral, Maurice. |
| The indigenous oyster of mainland France, the fiat oyster, Ostrea edulis has been part of the human diet for centuries. The Romans collected them and exported them to Rome. Although tanks for holding oysters after harvesting were in use at that time (GreIon 1978) it seems that true culture was not developed along the coast contrary to the records of Pliny the Older. It appears that oysters were already being captured on hoards off the Italian coast. The exploitation of natural stocks continued through the Middle Ages and the Renaissance. However, it was not until the 17th century that oyster culture began, first in the pools of the salt marshes of the Atlantic coast and then in specially managed ponds. Papy (1941) repeats a good description given in 1688... |
| Tipo: Text |
Palavras-chave: Rearing; Diseases; Analytical model; Overall model; Cultured stocks; Energetics; Reproduction; Nutrition; Physiology; France; Culture; Oyster. |
| Ano: 1989 |
URL: http://archimer.ifremer.fr/doc/1989/publication-3039.pdf |
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| Baudin Laurencin, F; Messager, J; Stephan, Gwendal. |
| Symptoms recalling a nutritional pathology and more precisely a process of lipid peroxydation were observed during the last years in seabass Dicentrarchus labrax and other fishes cultured in tropical marine condition, Ocyurus chrysurus and Lutjanus analis . They included dark coloration, skin ulceration, lethargy, anorexy, emaciation. Histological examinations showed hepatic fatty degenerative lesions, pancreatitis, muscular degeneration and retinal atrophy. Additional vitamins E and C in the food suppressed that pathological symptoms. The previously evoked clinical or histological signs were not achieved in spite of an increase of the level of hepatic, muscular or blood malondialdehyde and of the conjugated dienes of the perivisceral fat. In the same... |
| Tipo: Text |
Palavras-chave: Lutjanus analis; Ocyurus chrysurus; Dicentrarchus labrax; Pisces; Marine fish; Diseases; Nutrient deficiency; Vitamin C; Vitamin E; Vitamin deficiencies; Nutritional requirements; Dietary deficiencies; Deficiency diseases. |
| Ano: 1989 |
URL: http://archimer.ifremer.fr/doc/1989/acte-1501.pdf |
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| MRFB,Martins; Mendes,AA; Milbradt,EL; Almeida Paz,ICL; Martins,BB; Fernandes,BCS. |
| ABSTRACT The objective of this study was evaluated the villus integrity of commercial turkeys submitted to coccidiosis prevention methods and challenged with Eimeria field oocysts, using scanning electron microscopy. Sixty BUT 9 female commercial turkeys were distributed in a completely randomized block design split with two treatments: T1- control diet without vaccinations against coccidiosis and anticoccidial drug, and T2- vaccinated against coccidiosis (commercial vaccine). On d 21 of life, all birds of all treatments were challenged with a mixed-species containing E. meleagrimitis and E. galopavonis, via crop intubation with 1 mL of ~20,000 sporulated oocysts/bird. The size of the inoculum was determined in previous experiments. At 27 and 70 days of... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Bird; Diseases; Poultry production; Protozoan parasites. |
| Ano: 2016 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2016000500057 |
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| Valério,Henrique M.; Casela,Carlos R.; Resende,Maria A.; Santos,Fredolino G.. |
| This paper reports partial results obtained on the variability of Colletotrichum graminicola developed in response to the host diversity generated by three-line combination of sorghum (Sorghum bicolor) genotypes. Nine sorghum lines were used in this study: CMSXS210B, CMSXS112B, CMSXS215B, CMSXS221B, CMSXS169R, CMSXS180R, CMSXS182R, CMSXS227R, and CMSXS116R. A total of 39 treatments on mixtures and pure stands of the component lines were evaluated in the field for the development of anthracnose, as a natural epidemic. Samples of the single spore isolates of the pathogen of each treatment indicated a reduction in the phenotypic diversity and an increase in the frequency of more complex races in genotype mixtures in relation to the pure stands of each genotype. |
| Tipo: Info:eu-repo/semantics/report |
Palavras-chave: Sorghum bicolor; Diseases; Virulence; Diversity. |
| Ano: 2004 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-41582004000500019 |
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| Walling, Emilie; Vourey, Elodie; Ansquer, Dominique; Beliaeff, Benoit; Goarant, C.. |
| Aims: A description of bacterial pathogens in shrimp ponds is necessary to understand their pathogenesis. Vibrio nigripulchritudo was shown to contain saprophytic and pathogenic strains among New Caledonian isolates. We established a method to map the development of V. nigripulchritudo in pond sediments at three different genetic levels: the species level, then at the pathogenic cluster level and finally at the plasmid level, present only in all highly pathogenic isolates. Methods and Results: PCR methods were applied to shrimp pond sediments both before and after a mortality outbreak. Using crude samples, the species V. nigripulchritudo is not detected at first (0/42 samples at day 56 post stocking) but appears frequently in the sediments after the... |
| Tipo: Text |
Palavras-chave: Detection; Diagnosis; Diseases; Ecology; PCR; Plasmids; Soil; Virulence. |
| Ano: 2010 |
URL: http://archimer.ifremer.fr/doc/00004/11484/8177.pdf |
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| Arzul, Isabelle; Corbeil, Serge; Morga, Benjamin; Renault, Tristan. |
| Although a wide range of viruses have been reported in marine molluscs, most of these reports rely on ultrastructural examination and few of these viruses have been fully characterized. The lack of marine mollusc cell lines restricts virus isolation capacities and subsequent characterization works. Our current knowledge is mostly restricted to viruses affecting farmed species such as oysters Crassostrea gigas, abalone Haliotis diversicolor supertexta or the scallop Chlamys farreri. Molecular approaches which are needed to identify virus affiliation have been carried out for a small number of viruses, most of them belonging to the Herpesviridae and birnaviridae families. These last years, the use of New Generation Sequencing approach has allowed increasing... |
| Tipo: Text |
Palavras-chave: Molluscs; Viruses; Diseases; Herpesviridae; Bivalve; Abalone. |
| Ano: 2017 |
URL: http://archimer.ifremer.fr/doc/00371/48206/48319.pdf |
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| Registros recuperados: 185 | |
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