Resumen

MUNOZ, A. L. et al. Prevalence of bovine infectious rhinotracheitis virus in Caquetá. Rev. Med. Vet. Zoot. [online]. 2020, vol.67, n.1, pp.9-16. ISSN 0120-2952.  https://doi.org/10.15446/rfmvz.v67n1.87675.

Infectious bovine rhinotracheitis (IBR) is a disease widely spread throughout the world with great socio-economic impact on bovine livestock. The objective of this study was to determine the prevalence of IBR in 100 herds in Caqueta department, for which 960 cattle older than 36 months between January and March 2016 were sampled in farms selected from the criteria: a) size (50-180 hectares), b) with more than 10 cows in milking, c) availability of producers to cooperate and d) accessibility of roads. Blood serum samples were sent to the ICA veterinary clinical diagnostic laboratory and analyzed using the Elisa blocking test (BHV-1) gB, where sera with blocking percentage greater than 55% were considered as positive for IBR antibodies. High seroprevalence was found (73.13%), being higher in males than in females (p < 0.05). At municipal level, seroprevalence was greater in El Doncello, Puerto Rico and San Vicente del Caguán municipalities, significant difference (p<0.05) was found between the nine municipalities analyzed. At herd level prevalence was of 99%. In conclusion the prevalence of Infectious Bovine Rhinotracheitis (IBR) virus in dual-purpose cattle of Caquetá department was very high.

Palabras clave : ELISA; metapneumovirus; bovine herpes virus-1.

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