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Estudo soroepidemiológico de alphaherpesvírus bovino 1 (BoHV-1) em bubalinos (Bubalus bubalis) de corte da Região Sul do Brasil / Seroepidemiology survey of bovine alphaherpesvirus 1 (BoHV-1) in unvaccinated beef bubalines (Bubalus bubalis) from Southern Brazil

Oliveira, Rodrigo Azambuja Machado de; Fritzen, Juliana Torres Tomazi; Alfieri, Amauri Alcindo; Lisbôa, Júlio Augusto Naylor; Ollhoff, Rudiger Daniel; Barros Filho, Ivan Roque de.
Acta sci. vet. (Online); 49(suppl.1): Pub. 653, 17 jun. 2021. tab
Artigo em Português | VETINDEX | ID: vti-33207


Background: The bovine alphaherpesvirus type 1 (BoHV-1) belonging to the order Herpesvirales, family Herpesviridae,subfamily Alphaherpesvirinae and genus Varicellovirus. Bovine alphaherpesvirus 1 (BoHV-1) infections have a great importance due to the high rates of dissemination in cattles worldwide. Although, the BoHV-1 was largely related in cattle,buffaloes were also classified as host for the virus. However, studies that determine seroepidemiological data in this species are scarce and necessary. The aim of the present study was to determine the presence of antibodies against BoHV-1in healthy beef buffaloes using the virus neutralization (VN) technique.Cases: This work portrays an epidemiological survey, based on a sectional study characterized by blood samples collectedfrom 54 Murrah buffalo, aged 6 to 24 months, from the municipalities of Guaraqueçaba, Ponta Grossa, Antonina andDoutor Ulysses, located in Paraná state, being 20, 14, 10 and 10 samples from each location, respectively. Thirty-sevenpercent (20/54) of the samples were collected at slaughterhouse with registration at the Federal Inspection Service (SIF)of the Ministry of Agriculture, Livestock and Food Supply (MAPA), and 63% (34/54) at the buffalos farms. The serumsamples were collected in sterile tubes without anticoagulant in stored isothermal boxes, with serum separation and storedat -20ºC. The samples were sent to the Animal Virology Laboratory of Universidade Estadual de Londrina, UEL for serological analysis. Serological diagnosis using the virus neutralization (VN) technique was performed according the OIEmanual of diagnostic tests and vaccines for terrestrial animals, using the BoHV-1 Los Angeles strain. Forth-five of the 54samples (83.3%) evaluated generated titers of antibodies against BoHV-1 present in all evaluated herds, and the samplescollected in herd from Antonina city were 100% positive, following by 80% in Guaraqueçaba...(AU)
Biblioteca responsável: BR68.1
Localização: BR68.1