Factors associated with bovine leptospirosis in Rio de Janeiro, Brazil |
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Authors: | Lilenbaum W Souza G N |
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Institution: | Departamento de Microbiologia e Parasitologia, Universidade Federal Fluminense, Rua Hernani Mello, 101 Centro Niteroi, CEP 24210-130 Rio de Janeiro, Brazil. mipwalt@vm.uff.br |
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Abstract: | Serum samples from 379 adult cows with lowered fertility farmed in the Rio de Janeiro region of Brazil. They were examined for Leptospira antibodies. A questionnaire was completed for each herd. Antibodies were detected in 46.9% of these cows, mainly to serovar hardjo. Main risk factor associated with seropositivity was co-grazing with other species, mainly pigs (OR = 3.17; p<0.04). Absence of or infrequent veterinary assistance (OR = 1.74) has also been suggested to be associated to the overall seroprevalence to leptospirosis. We suggest that a successful control programme for bovine leptospirosis should include a complete investigation of herd management practices, which could influence in the occurrence of the infection. |
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