Epidemiological characterization of bovine brucellosis in the state of Rondonia

Author(s)

Karina de Senna Villar

• Document type: Master's Dissertation
• Press: São Paulo.
• Institution: Universidade de São Paulo (USP). Faculdade de Medicina Veterinária e Zootecnia (FMVZ/SBD)
• Defense date: 2009-01-15

Examining board members

Fernando Ferreira; José Soares Ferreira Neto; Patricia Silvia Pozzetti

• Advisor: Fernando Ferreira

Abstract

Given the importance of the National Program for Control Eradication of Brucellosis and Tuberculosis (PNCEBT) for the production chains of meat and milk to consumers of products of animal origin, for the image that the country designs on world markets and in view of the high costs related to the procedures necessary to achieve the objectives of the program, it is necessary for studies designed to clarify the epidemiological situation of brucellosis in cattle national squad, including the herd Rondoniense, aiming to be the choice of pipelines and strategies creation of an appropriate and rational mechanism for verifying the effectiveness of actions implemented in each producing region. As a result, a partnership was formed involving the Ministry of Agriculture, Livestock and Supply (MAPA) and the Department of Preventive Veterinary Medicine and Animal Health of FMVZ-USP.O State of Rondonia was divided into three homogeneous regions (circuit producers of cattle) which were characterized and where epidemiological studies have been performed prevalence. Os results indicated an apparent prevalence of 34,57% [31,49,- 37,65] and the prevalence of apparent circuit: circuit 1, 41,48% [35,95; -47,18] in circuit 2, 31,70% [26,52, -37,24] and the circuit 3, 31.61% [26.47, -37.11]. The prevalence of females aged more than 24 months seropositive in the state was 6,22% [4, 88-7, 56]. The prevalence of females aged more than 24 months was seropositive for circuit: circuit 1 8.33% [5,90-10,76%], circuit 2, 5,95% [4,30-7,61% ], circuit 3, 4,60% [2,54-6,65%]. The high prevalence of outbreaks appears to be distributed uniformly between the circuits. The risk factors associated with the condition of focus were: a history of abortion [OR = 1.42, (1,04-1,95)] and exploration of cutting [OR = 1.75, (1,30-2,38 ). It is important to note that this study is unprecedented for the Federal Unit and a knowledge of the initial situation will monitor the progress of the National Program for Control and Eradication of Brucellosis and Tuberculosis (PNCEBT) and judge the need to promote correction, avoiding the waste of time and resources. (AU)