Prevalência de anticorpos contra o vírus da língua azul em bovinos e ovinos do Sudoeste e Sudeste do Rio Grande do Sul

Costa, J. R. RLobato, Z. I. PHerrmann, G. PLeite, R. CHaddad, J. P. A

It was studied bluetongue virus antibodies prevalence for sheep and cattle in Southwest and Southeast regions of Rio Grande do Sul State. A total of 2613 serum samples (1272 bovine and 1341 ovine) were tested by agar gel immunodiffusion. Eight bovine and two ovine samples were positive meaning a prevalence of 0.63 percent and 0.15 percent, respectively. These results show that most of animals in these regions are negative to bluetongue.