Prevalência de anticorpos contra o vírus da língua azul em bovinos e ovinos do Sudoeste e Sudeste do Rio Grande do Sul / Bluetongue virus antibodies in cattle and sheep in Southwest and Southeast regions of Rio Grande do Sul, Brazil

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.

Criptosporidiose fatal em aves de criaçäo caipira / Fatal cryptosporidiosis in rural poultry

Five outbreaks of cryptosporidiosis in adult poultry (guinea's fowl, turkey and chickens) are reported in the rural area of Santo Antônio do Amparo, Minas Gerais, Brazil. Clinical signs consisting of sudden death, enteritis, incoordination and paralysis were observed. The presence Cryptosporidium sp was confirmed in intestine by histological examination