Seroepidemiological survey of brucellosis in sheep from the State of Rio de Janeiro, Brazil

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OJVRTM

Online Journal of Veterinary Research©

Volume 11(2):45-49, 2007

Seroepidemiological survey of brucellosis in sheep from the

State of Rio de Janeiro, Brazil

Lima CB¹, Varges R¹, Bacila VJ², Lilenbaum W¹

¹Laboratory of Veterinary Bacteriology, UFF, Rio de Janeiro, ²Institute of Technology of Parana – TECPAR Curitiba, PR, Brazil

ABSTRACT

Lima CB, Varges R, Bacila VJ, Lilenbaum W.,Seroepidemiological survey of brucellosis in sheep from the State of Rio de Janeiro, Brazil, Online J Vet Res 11(2):45-49, 2007. Sheep breeding is an increasing activity in the State of Rio de Janeiro. Sheep may be infected by either Brucella abortus or Brucella ovis. Infected animals are usually asymptomatic and no specific signs for brucellosis are detected. The present study is a serological survey for both Brucellae agents in Rio de Janeiro sheep. A total of 357 serum samples of sheep from 5 regions of the state were tested by the Rose Bengal Plate Agglutination test (RBT) and Agarose Gel Immunodiffusion test (AGID), for detecting antibodies to B. abortus and B. ovis, respectively. Of the 357 samples, none was reactive to RBT but 13 (3.64%) had anti-Brucella ovis antibodies. Therefore, it is suggested that the most important brucellosis in Rio de Janeiro is caused by B. ovis. This first report of seroreactivity against B. ovis in sheep from Rio de Janeiro may assist in control measures to avoid the spread of the infection.

Key words: Brucella abortus, Brucella ovis, sheep

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