Avaliação soroepidemiológica do leucose enzoótico bovino que acometem rebanhos bubalinos da Baixada Maranhense

Abstract

The buffalo plays an important role for developing countries. As well as the bovines, the buffaloes are susceptible to infection by the vírus of Enzootic Bovine Leukosis, a condition that leads to the clinicai picture of persistent lymphocytosis and lymphosarcoma. Were studied seven municipalities that forming part of the Baixada Maranhense, where in each municipalities were selected five properties and each property were collected 10 blood samples. Then, an epidemiological questionnaire was apllied. Afiter testing, 14,28% of the animais react to the Immunodiffusion Agar Gel Test. The municipalities of Arari and Pinheiro had the highest percentage, with 30% (n=15) and 24% (n=12), respectively. Animais older than 24 months had the highest value of reagent animais, with 68% (n = 34) and regarding gender, females had 86% (n = 43). When analyzing the risk factors. there was a significant difference regarding the repeated use of obstetric glove. followed by housing. The relative risk was shown high in repeated use of obstetric glove, the lack of veterinary care and housing. It was found that the EBL is present in the Baixada Maranhense, predominantly in females and animais older than 24 months and that the repeated use of obstetric glove, housing and lack of veterinary care contribute to the occurrence of disease in the region