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Archivos de Zootecnia

On-line version ISSN 1885-4494Print version ISSN 0004-0592


CARBONERO, A. et al. Risk factors against bovine respiratory disease in suckling calves from Argentina. Arch. zootec. [online]. 2011, vol.60, n.229, pp.41-51. ISSN 1885-4494.

An observacional cross-sectional study was performed to determine the risk factors associated to the main viral agents of the bovine respiratory disease: bovine herpesvirus type 1 (HVB1), bovine viral diarrhoea virus (VDVB), bovine respiratory syncytial virus (VRSB) and parainfluenza 3 virus (VPI3). Blood samples from dairy calves in the provinces of Cordova and Santa Fe (Argentina) were obtained, and an epidemiological questionnaire was filled. Antibodies against studied viruses were detected by commercial ELISA kits. A total of 852 blood samples from 55 dairy operations were obtained between years 2000 and 2002. Four epidemiologic logistic regression models were performed. We found significant associations between infection and variables related to the age of the calf, the season, the size population, the vaccinations, the feeding or the breeding system, among many others.

Keywords : Logistic regression; Serology; Bovine herpesvirus 1; Bovine viral diarrhoea virus; Bovine respiratory syncytial virus; Bovine parainfluenza 3 virus.

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