Prevalence of Bovine Brucellosis and Tuberculosis in Dairy Farming Properties in Francisco Beltrão, Southwest Region of Paraná

Abstract

Bovine brucellosis and tuberculosis are zoonoses, with worldwide distribution, which cause great socioeconomic damage. In this context, the objective of the study was to describe the current situation of these diseases in dairy herds in the Municipality of Francisco Beltrão, Southwest Region of the State of Paraná. The study carried out was cross-sectional, descriptive, retrospective and quantitative. Sampling covered a period of eight years, considering all tests that were positive for bovine brucellosis and tuberculosis, from 2014 to 2021. Data were collected from the database of the municipality's Rural Development Secretariat. The results were tabulated, organized in spreadsheets and presented in tables, where the prevalences were calculated. 93,727 animals were tested for bovine Brucellosis in 6,026 properties, with a prevalence of 0.11% of the animals tested and 10.84% in the properties, with 81% females and 19% males. Regarding tuberculosis, 131,570 females were examined, with a prevalence of 0.25% of the animals tested and 2.1% of the properties had some case. The study reveals that bovine brucellosis and bovine tuberculosis are present in the municipality of Francisco Beltrão, with a low prevalence compared to other studies and each year the number of infected animals has been decreasing, and in 2016 no positive animals were registered. for brucellosis, which may be the result of annual screening tests for both diseases, the sanitary slaughter of positive animals, vaccination of susceptible females and selection of breeding stock, which contributes to the disease not generating economic losses for producers in the region.