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Revista de Investigaciones Veterinarias del Perú

versión impresa ISSN 1609-9117

Resumen

CARDENAS A., César et al. Prevalence of bovineviral diarrheavirus and persistently infected cattle in the province of espinar, Cusco. Rev. investig. vet. Perú [online]. 2011, vol.22, n.3, pp. 261-267. ISSN 1609-9117.

The prevalence of bovine viral diarrhea virus (BVDV) was evaluated in 406 cattle of both sexes and older than 6 months. Animals belonged to 114 small farmers from three rural communities of the province of Espinar, Cusco, Peru. Blood samples were collected according to three age groups Ɩ-12, 13-23, >24 months old). Serum samples were tested for antibodies against BVDV using the viral neutralization test. The 56.2 ± 4.8% 鴤/406) of samples had antibodies against BVDV. Persistently infected animals were not detected. Antibodies were present in the three age groups, but the highest prevalence ࿡.4%) was detected in animals older than 24 months of age. The 51.3% ྴ/39) of young and adult bulls had antibodies against BVDV. Antibodies titers varied from 2 to >256, and high titers 鳀 to >256) were detected in 42.1% of animals of 13 to >24 months of age. The 86.8% ဃ/114) of the small farmers had at least one animal seropositive to BVDV.

Palabras llave : bovine; bovine viral diarrhea virus; antibodies; antigen; prevalence.

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