Prevalência e fatores associados à infecção pelo Mycobacterium bovis em bovinos leiteiros no Município de Gravatá, PE

Abstract

For being an important disease that causes injuries in wildlife and domestic animals, the bovine tuberculoses produces cattle loses and public health risks. Considering the economic impact of micobacterioses in milk producing cattle and few epidemiological data available about tuberculosis in Agreste mesorregion, the aim of this paper was research about the prevalence and associated factors with the infection of Mycobacterium bovis in milk cattle thruought the double comparative skin test in 229 bovines from 16 milk herds in the municipal district of Gravatá, State of Pernambuco, Northeastern Brazil. The result obtained showed that 207 (90,4%) were considered negatives, 18 (7,9%) suspects and 4 (1,7%) positive reactions. Two herds (12,5%) presented infection source and identified associated factors were: property size ≤ 10 ha, semi-intensive handling, river water source and tuberculin test accomplishment. Considering the obtained results, the frequency of positive animals is in the official media for the different country areas is allowed to conclude thatbovine tuberculosis is present in Gravatá herds and strict control measures must be taken to prevent some of the identified associated factors