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Registros recuperados: 15
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Contribuição à vigilância da Influenza Equina no Pantanal Sul-Mato-Grossense. Repositório Alice
OLIVEIRA JÚNIOR, J. G. de.
A influenza equina (IE) é uma doença respiratória, altamente contagiosa, embora raramente fatal. Acomete equídeos de modo geral. A doença é descrita há muito tempo na literatura e ainda hoje provoca importante impacto econômico na atividade equestre. Por ser considerada a enfermidade respiratória mais importante dos equídeos, vários trabalhos de pesquisa têm sido conduzidos, geralmente abordando aspectos específicos da enfermidade, todavia necessitando de uma visão integrada, tanto metodológica quando da aplicação de resultados, seja na área humana ou animal. O Pantanal sul-mato-grossense tem sua economia baseada na pecuária bovina de corte praticada extensivamente, onde os equídeos têm sua importância no suporte a realização das práticas zootécnicas do...
Tipo: Teses Palavras-chave: Viroses; Equídeos; Área úmidas; Aves migratórias; Saude única; Viral diseases; Equine; Migratory wild birds; One Health; Risco; Wetlands; Risk.
Ano: 2018 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1106682
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Diseases of cultured prawns in Australia ArchiMer
Lester, R; Paynter, J.
Plebejus baculovirus and other MBV-related viruses have been found in Penaeus plebejus, P. monodon and P. merguiensis . They appear highly pathogenic in certain situations currently undefined. We have found Hepatopancreatic Parvo-like Virus (< hpv) in wild P. esculentus and P. merguiensis but not yet in cultured prawns. The amphophilic intranuclear inclusion bodies we find in P. esculentus do not appear to have a viral cause.
Tipo: Text Palavras-chave: Australia Coasts; Penaeidae; Viral diseases; Fungal diseases; Gills; Viruses; Hatcheries; Gill disease.
Ano: 1989 URL: http://archimer.ifremer.fr/doc/1989/acte-1458.pdf
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Epizootic diseases of oysters associated with viral infections ArchiMer
Comps, Michel.
Virus infections have been associated with major diseases of oysters of the genus Crassostrea. These infections include gill necrosis virus and hemocytic infection virus diseases of the Portuguese oyster C. angulata and more recently the oyster velar virus disease affecting larval, hatchery-reared Pacific oysters C. gigas. This report presents histo- and cytopathological characteristics of these infections in which large icosahedral cytoplasmic deoxyriboviruses, similar to the iridoviridae, are implicated, The gill necrosis virus causes, principally in the Portuguese oyster, an evolutive ulceration of the gills, including cellular hypertrophy and severe inflammation. Mortalities have been observed in the most serious cases. Hemocytic infection virus has...
Tipo: Text Palavras-chave: Crassostrea gigas; Crassostrea angulata; Oysters; Viral diseases.
Ano: 1988 URL: http://archimer.ifremer.fr/doc/1988/publication-5912.PDF
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First report of White spot syndrome virus in farmed and wild penaeid shrimp from Lagoa dos Patos estuary, southern Brazil BJM
Cavalli,Lissandra Souto; Romano,Luis Alberto; Marins,Luis Fernando; Abreu,Paulo César.
In this study, we detected White spot syndrome virus (WSSV) in wild Farfantepenaeus paulensis collected in the Lagoa dos Patos estuary and cultivated Litopenaeus vannamei. This is the first report of WSSV in F. paulensis from Lagoa dos Patos and farmed L. vannamei shrimps in Rio Grande do Sul.
Tipo: Info:eu-repo/semantics/article Palavras-chave: WSSV; Viral diseases; Farfantepenaeus paulensis; Litopenaeus vannamei; Epizootiology.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822011000300042
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Lesiones papilomatosas en genitales externos de delfines Tursiops truncatus OceanDocs
Ancheta, O.; Cruz, D.; Guevara, C.; Rodríguez, S.; Chamizo, E.; Valdés, T.; Harvey, Y.; Gutiérrez, N.; González, L..
La papilomatosis es una entidad tumoral generalmente benigna que ataca la piel y mucosas de diferentes zonas del cuerpo. Esta enfermedad puede limitar la reproducción en los cetáceos y una de sus causas puede ser la infección por papilomavirus. La observación de pequeñas verrugas en la piel o mucosas de estos animales hace inferir la presencia de lesiones papilomatosas.
Tipo: Journal Contribution Palavras-chave: 1484; Marine mammals; Diseases; Viral diseases; Diseases; Viral diseases; Http://aims.fao.org/aos/agrovoc/c_49879; Http://aims.fao.org/aos/agrovoc/c_15210.
Ano: 2009 URL: http://hdl.handle.net/1834/4110
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Mise en evidence de particules d'allure virale associees aux noyaux des cellules mesodermiques de la zone germinative testiculaire du crabe Rhithropanopeus harrisii (Gould) (Brachyoure, Xanthide). ArchiMer
Payen, Geneviève G.; Bonami, Jean-robert.
Ultrastructural study of the testicular germinative zone in the crab R. harrisii has led to observation of virus-like particles exclusively located in the nuclei of mesodermal cells encompassing primary spermatogonia. These particles are related to the group of viruses of the herpes type.
Tipo: Text Palavras-chave: Rhithropanopeus harrisii; Viruses; Testes; Viral diseases.
Ano: 1980 URL: http://archimer.ifremer.fr/doc/1980/publication-1940.pdf
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Particules virales de type Bacilovirus observees chez le crabe Carcinus maenas. ArchiMer
Bazin, F.; Monsarrat, P.; Bonami, Jean-robert; Croizier, G.; Meynadier, G.; Quiot, J.m.; Vago, C..
A new virus from the Crab Carcinus maenas has been found in the nuclei of conjunctive and blood cells. Its localization, morphology, size, morphogeny relate it to the Baculovirus group. By some aspects it appears to be related closer to the insect viruses from Oryctes rhinoceros, and to red mite viruses from Panonychus ulmi and P.citri than to the nuclear polyhedrosis of the pink shrimp Penaeus duorarum.
Tipo: Text Palavras-chave: Penaeus duorarum; Panonychus citri; Panonychus ulmi; Oryctes rhinoceros; Carcinus maenas; Viruses; Viral diseases.
Ano: 1974 URL: http://archimer.ifremer.fr/doc/1974/publication-2041.pdf
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Recent advances in Australian prawns diseases and pathology ArchiMer
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
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Reproductive performance of Nellore heifers raised in extensive system undergoing different vaccination protocols in fixed-time artificial insemination (FTAI). Repositório Alice
SCHILLINGS NETO, E.; NOGUEIRA, E.; JARDIM, R.; ABREU, U. G. P. de; STERZA, F. A. de M.; PELLEGRIN, A. O.; JULIANO, R. S..
Abstract: This study evaluated the reproductive performance of Nellore heifers without previous vaccination undergoing fixed-time artificial insemination (FTAI) and subsequent natural breeding under different vaccination protocols against infectious bovine herpesvirus 1(BHV-1), bovine viral diarrhea virus (BVDV), and bovine leptospirosis (BL). A total of 763 animals were included; the group assignment was as follows: T1, control without vaccination; T2, vaccination against BL; T3, vaccination against BHV-1and BVDV; T4,vaccination against combination of BL + BHV-1and BVDV. Vaccination was started 30 days before FTAI (D-40), and a booster dose was administered at D-10. Serological tests were used to verify the occurrence rate of natural infection by BL,...
Tipo: Artigo de periódico Palavras-chave: Doenças virais; Taxa de prenhez; Viral diseases; Gado de Corte; Imunização; Leptospirose; Beef cattle; Immunization; Leptospirosis; Pregnancy rate.
Ano: 2019 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1114167
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Reproductive performance of Nellore heifers raised in extensive system undergoing different vaccination protocols in fixed-time artificial insemination (FTAI) Ciência Rural
Schillings Neto,Ernest; Nogueira,Eriklis; Jardim,Rodrigo; Abreu,Urbano Gomes Pinto de; Sterza,Fabiana Andrade de Melo; Pellegrin,Aiesca Oliveira; Juliano,Raquel Soares.
ABSTRACT: This study evaluated the reproductive performance of Nellore heifers without previous vaccination undergoing fixed-time artificial insemination (FTAI) and subsequent natural breeding under different vaccination protocols against infectious bovine herpesvirus 1 (BHV-1), bovine viral diarrhea virus (BVDV), and bovine leptospirosis (BL). A total of 763 animals were included; the group assignment was as follows: T1, control without vaccination; T2, vaccination against BL; T3, vaccination against BHV-1and BVDV; T4,vaccination against combination of BL + BHV-1and BVDV. Vaccination was started 30 days before FTAI (D-40), and a booster dose was administered at D-10. Serological tests were used to verify the occurrence rate of natural infection by BL,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Beef cattle; Immunization; Leptospirosis; Pregnancy rate; Viral diseases.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782019001100701
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Status and future of molluscan pathology in North America ArchiMer
Elston, R.
Serious diseases have plagued the North American oyster industry for at least 75 years. These include Malpeque Bay disease, M.S.X. disease, perkinsiosis, nocardiosis, oyster velar virus disease and others. Some of these diseases have proven intractable since they are caused by infectious agents which have not yet been transmitted in the laboratory or which cannot yet be cultivated outside of the host animal. The increased importance of aquaculture of these species and the advent of modern molecular technologies in biology have provided both the impetus and the means to now advance the science of molluscan pathology.
Tipo: Text Palavras-chave: North America; Viruses; Viral diseases; Mollusc culture.
Ano: 1989 URL: http://archimer.ifremer.fr/doc/1989/acte-1475.pdf
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Use of rotavirus virus-like particles as surrogates to evaluate virus persistence in shellfish ArchiMer
Loisy, Fabienne; Atmar, R; Le Saux, Jean-claude; Cohen, J; Caprais, Marie-paule; Pommepuy, Monique; Le Guyader, Soizick.
Rotavirus virus-like particles (VLPs) and MS2 bacteriophages were bioaccumulated in bivalve mollusks to evaluate viral persistence in shellfish during depuration and relaying under natural conditions. Using this nonpathogenic surrogate virus, we were able to demonstrate that about 1 log(10) of VLPs was depurated after 1 week in warm seawater (22 degrees C). Phage MS2 was depurated more rapidly (about 2 log(10) in 1 week) than were VLPs, as determined using a single-compartment model and linear regression analysis. After being relayed in the estuary under the influence of the tides, VLPs were detected in oysters for up to 82 days following seeding with high levels of VLPs (concentration range between 10(10) and 10(9) particles per g of pancreatic tissue)...
Tipo: Text Palavras-chave: Seawater; Viral diseases; Bioaccumulation; Depuration; Contamination; Model; Pancreas; Regression analysis; Shellfish; Phages; Virus.
Ano: 2005 URL: http://archimer.ifremer.fr/doc/2005/publication-1233.pdf
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Vectors of Chikungunya Virus in Senegal : Transmission cycles OceanDocs
Thonnon, J.; Diallo, M.; Traore-Lamizana, M.; Fontenille, D..
Chikungunya fever is a viral disease transmitted to human beings by Aedes genus mosquitoes. From 1972 to 1986 in Ke´dougou, Senegal, 178 Chikungunya virus strains were isolated from gallery forest mosquitoes, with most of them isolated from Ae. furcifer-taylori (129 strains), Ae. luteocephalus (27 strains), and Ae. dalzieli (12 strains). The characteristics of the sylvatic transmission cycle are a circulation periodicity with silent intervals that last approximately three years. Few epidemics of this disease have been reported in Senegal. The most recent one occurred in 1996 in Kaffrine where two Chikungunya virus strains were isolated from Ae. aegypti. The retrospective analysis of viral isolates from mosquitoes, wild vertebrates, and humans allowed to us...
Tipo: Journal Contribution Palavras-chave: Viral diseases; Mosquitoes; Http://aims.fao.org/aos/agrovoc/c_12659.
Ano: 1999 URL: http://hdl.handle.net/1834/814
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Viral contamination and depuration of oysters under field conditions ArchiMer
Boher, S; Piclet, Guy; Beril-stien, S; Masson, Daniel; Delonce, R; Biziagos, E; Schwartzbrod, L.
Shellfish consumption is clearly associated with the transmission of enteric viruses. The channel of transmission of enteric viruses to human beings could be decreased particularly if the systems of depuration of shellfish were optimized, standardized and if their viral efficiency was controlled. The purpose of this work was to study the contamination of oysters and to assess the efficiency of several depuration processes. Our study have demonstrated that in some cases, 50% of oysters samples contain enteric viruses or H.A.V. antigen and the quantities of viruses range from 17 to 246 FF for the rotaviruses and from 124 to 200 for the enteroviruses per 100 g of tissue. According to our results, the exclusive use of a bacteriological criterium to determine...
Tipo: Text Palavras-chave: Rotavirus; Hepatitis A virus; Enterovirus; Crassostrea gigas; Bivalvia; Seafood; Bioassays; Cell culture; Viruses; Self purification; Viral diseases; Shellfish.
Ano: 1992 URL: http://archimer.ifremer.fr/doc/1992/acte-1615.pdf
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Viral depuration of Mytilus galloprovincialis in ozone treated water ArchiMer
Croci, L; Demedici, D; Franco, E; Gabrielli, R; Dipasquale, S; Toti, L.
The depuration effectiveness of Poliovirus 1 and HAV contamined mussels, when subjected to flowing ozonized water, was evaluated. Mussels were experimentally contamined and then depurated up to 72 hours using a pilot depuration system with ozone treated and untreated water. The results showed that viral infectivity titter decreased more rapidly in mussels subjected to ozonized water (from 10 super(4) TCID50 to 10 super(1.5) TCID50 per ml of Poliovirus 1 but in the following period it remained unchanged. Also HAV was detected in the mussels after 72 h of depuration.
Tipo: Text Palavras-chave: Mytilus galloprovincialis; Bivalvia; Ozonation; Ozone; Viral diseases; Marine molluscs; Self purification.
Ano: 1992 URL: http://archimer.ifremer.fr/doc/1992/acte-1610.pdf
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