Clinic-pathological Aspects In The Natural Infection Of Bovine Respiratory Syncytial Virus (brvs) In Extensive Management Of Cattle In Rio Grande Do Sul, Brazil [manifestação Clínico-patológica De Infecção Natural Pelo Vírus Respiratório Sincicial Bovino (brsv) Em Bovinos De Criação Extensiva No Rio Grande Do Sul, Brasil]

dc.creatorDriemeier D.
dc.creatorGomes M.J.P.
dc.creatorMoojen V.
dc.creatorArns C.W.
dc.creatorVogg G.
dc.creatorKessler L.
dc.creatorDa Costa U.M.
dc.date1997
dc.date2015-06-30T14:50:08Z
dc.date2015-11-26T15:06:50Z
dc.date2015-06-30T14:50:08Z
dc.date2015-11-26T15:06:50Z
dc.date.accessioned2018-03-28T22:17:15Z
dc.date.available2018-03-28T22:17:15Z
dc.identifier
dc.identifierPesquisa Veterinaria Brasileira. , v. 17, n. 2, p. 77 - 81, 1997.
dc.identifier0100736X
dc.identifier
dc.identifierhttp://www.scopus.com/inward/record.url?eid=2-s2.0-0031526830&partnerID=40&md5=c57b96ec523abdd46ed9351e9d8f1630
dc.identifierhttp://www.repositorio.unicamp.br/handle/REPOSIP/100279
dc.identifierhttp://repositorio.unicamp.br/jspui/handle/REPOSIP/100279
dc.identifier2-s2.0-0031526830
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1257317
dc.descriptionThe clinical aspects as well as the pathology, microbiology and serology of a natural Bovine Respiratory Syncytial (BRSV) infection of bovine in a herd of 600 beef cattle kept under extensive management in the State of Rio Grande do Sul, Brazil, are described. Clinically two animals had chronic cough and severe dyspnea when forced to mild physical exercise. These two animals were euthanatized and post-morten examination was performed. The macroscopic changes were of pulmonary origin, such as disseminated alveolar emphysema, focal atelectasis and marked interlobular septal thickening. The fluorescent antibody test on lung cryostat sections was positive to BRSV for both animals, and it was negative to PI-3 virus, BVDV and BHV. The BRSV was isolated from the lung of one of the animals on MDBK, and was also identified by fluorescent antibody test. No association with Chlamydia psittaci was found by ELISA performed on lung tissues. The histopathology showed syncytial cells, chronic emphysema, peribronchiolar muscle layer hypertrophy and squamous metaplasia of bronchial and bronchiolar epithelia. The serology to detect antibodies to BRSV resulted in 79% of positives from the first specimen collection. In this group of young animals some of them had a cough. The second samples collected 6 months later were from animals of different age groups resulting in 17.3% of positives. This is the first report on clinical BRSV infection in Brazil.
dc.description17
dc.description2
dc.description77
dc.description81
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dc.languagept
dc.publisher
dc.relationPesquisa Veterinaria Brasileira
dc.rightsaberto
dc.sourceScopus
dc.titleClinic-pathological Aspects In The Natural Infection Of Bovine Respiratory Syncytial Virus (brvs) In Extensive Management Of Cattle In Rio Grande Do Sul, Brazil [manifestação Clínico-patológica De Infecção Natural Pelo Vírus Respiratório Sincicial Bovino (brsv) Em Bovinos De Criação Extensiva No Rio Grande Do Sul, Brasil]
dc.typeArtículos de revistas


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