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Prevalência da infecção por lentivírus de pequenos ruminantes em caprinos em Teresina, Piauí

2011; UNIVERSIDADE FEDERAL DE MINAS GERAIS; Volume: 63; Issue: 3 Linguagem: Inglês

10.1590/s0102-09352011000300032

1678-4162

A. Sampaio Júnior, M. C. S. Batista, Maria do Socorro Pires e Cruz, R.A.B. Silva, C. B. Nascimento, Guilherme Loureiro Werneck,

Animal Disease Management and Epidemiology

The prevalence of anti-lentiviruses antibodies of small ruminants was investigated in goat herds in the city of Teresina, PI, Brazil. A seroepidemiological survey was conducted involving 480 animals, apparently healthy, belonging to six rural properties. The diagnostic test was the agar gel immunodiffusion (AGID), using antigens produced from cellular cultures infected with caprine arthritis encephalitis virus (CAEV Cork). Prevalences by gender and age were estimated considering sampling fractions for each farm. A general prevalence of 4.2%, was observerved, being 4.2% for females and 3.6% for males. Prevalences were higher among older goats. Regarding the breed standard, 23.5% were of the Anglo Nubian, 5.9% of the Boer, 35.3% Anglo Nubian x Boer crossbred, and 35.3% of undefined breed. It is concluded that small ruminant lentiviruses are endemic among goat herds of Teresina.