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Revista de Investigaciones Veterinarias del Perú

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The objective of this study was to determine the prevalence of bovine viral diarrhea virus (BVDV) and persistently infected (PI) animals in dairy herds located in Majes, Arequipa, Peru. In the first phase, 204 bulk tank milk samples from herds were collected and sent to the local commercial processing plant in Majes for detection of antibodies against BVDV by indirect ELISA test. In the second phase, 286 blood samples from 57 were collected strong positive (Optical Density [OD] ≥ 0.900) for the detection of herds antibodies against BVDV and in PI animals by the indirect and capture ELISAs respectively. In the third phase, blood samples from all animals were collected ranging from 6 to 24 months of age from three herds had at least one PI animal. The prevalence of BVDV in the 204 herds was 98.0 ± 1.9% (200/204), and the level of antibodies ranged from 0.300 to 2.350 OD.The 47.2% (135/286) of serum antibodies against BVDV HAD samples, and samples within the negative, four (2.7%) animals from three herds were PI. later on, additional PI detected animals were present in these three herds, and none of the six (4.0%) developed antibodies against BVDV. In conclusion, the results indicate that BVDV in dairy herds is widespread in Majes, the high level of antibodies Suggests the presence of PI animals in the bovine population and finally, bulk tank milk samples are very useful for antibody detection from milking cows.




And bovine viral diarrhea virus carrier animals in herds producing milk irrigation Majes, Arequipa: bovine viral diarrhea and persistently infected animals in dairy herds in Majes, Arequipa

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Creative Commons Attribution-Noncommercial 3.0 License
This work is licensed under a Creative Commons Attribution-Noncommercial 3.0 License