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  • Title: Factors associated with bovine leptospirosis in Rio de Janeiro, Brazil.
    Author: Lilenbaum W, Souza GN.
    Journal: Res Vet Sci; 2003 Dec; 75(3):249-51. PubMed ID: 13129675.
    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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