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Revista de Investigaciones Veterinarias del Perú

Print version ISSN 1609-9117


JURADO P, Jessica et al. Detection of antibodies against bluetongue virus in sheep from two locations in Junín, Peru. Rev. investig. vet. Perú [online]. 2020, vol.31, n.2, e17850. ISSN 1609-9117.

The aim of this study was to detect antibodies against bluetongue virus (VLA) in a population of Junín breed sheep bred at 3800 m above the see level in the province of Jauja, Junín and in Blackbelly breed sheep raised at 600 m in the province of Chanchamayo, Junín, Peru. Blood samples (n=306) were collected from Junín sheep, older than 4 months of age, both sexes and from Blackbelly sheep (n=82) older than 4 months, both sexes, from small breeders from four districts (Perene, San Luis de Shauro, San Ramón and Pichanaki) from the province of Chanchamayo, Junín. Antibody detection against the VLAwasdonebycompetitionELISAtest.Allsamples(306/306)oftheJunínsheep were negative for antibodies against the VLA, while 56.1% (46/82) of the Blackbelly sheep samples had antibodies against the virus. The absence of antibodies against the VLA in sheep raised at 3800 m of altitude indicates that they were not exposed to the VLA, suggesting that high altitude and low temperatures constitute a barrier to the biology of the virus-transmitting vectors, whereas sheep raised at 600 m of altitude were exposed, indicating the presence of the vector or vectors competent for the transmission of bluetongue virus.

Keywords : sheep; virus; bluetongue; high altitude; ELISA competition; antibodies.

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