Retrospective study of bovine tuberculosis in the state of Maranhão: 2013 to 2018

Abstract

The bovine tuberculosis is a worldwide disease, being one of the mains zoonosis identified in frigorific slaughterhouses. The economic lost are related to low productivity, fall in the food conversion, reproduction and the conviction of carcasses in slaughterhouses, therefore, the control meods of this disease in Brazil are defined by the normative from the Progama Nacional de Controle e Erradicação de Brucelose e da Tuberculose Animal (PNCBET), instituted in 2001 by the Ministério de Agricultura, Pecuária e Abastecimento. This progam evolves the detection and slaughter of reagentes animals, with base in the intradermal test, based in the hypersensibility reaction provoked by the inoculation of the microbacterial antigen. The objective of this work was realized a retrospective study of state of Maranhão based in the acess to the Sistema de Informações Gerenciais dos Serviços de Inspeção Federal and th survey of data from cases of bovine tuberculosis in monthly relatories of collect by autonomous veterinaries habilitaded in the PNCEBT. The data foun by this study shows the importancy of the disease in a state scope, being that the conviction of carcasses in frigorific slaughterhouses in the time period of January, 2013 to December, 2018, was a total of 75 conviction with destination to grease, representing a prevalence of 0,003% and the data of cases of bovine tuberculosis in monthly maps from autonomous veterinaries abilities in PNCEBT relative to the time period from 2013-2018 was from 20 positive animals in a total of 207.557 examined animals with prevalence of 0,009%. Though the prevalence data being low, we can claim that the disease is endemic in Maranhão by virtue of absence of a state serological inquiry about the disease. Concludes that the bovine tuberculosis has great sanitary importance in the state of Maranhão.