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  • Title: Risk factors for brucellosis seroprevalence of sheep and goat flocks in Spain.
    Author: Reviriego FJ, Moreno MA, Domínguez L.
    Journal: Prev Vet Med; 2000 Apr 28; 44(3-4):167-73. PubMed ID: 10760400.
    Abstract:
    Risk factors for ovine and caprine brucellosis in the Avila region (center of Spain) were evaluated using data from a cross-sectional study of the most important diseases of small ruminants in this Spanish region between 1996 and 1997. Questionnaire data from 56 herds (35 ovine and 21 caprine) were used. Sixteen (29%) flocks (3 caprine and 13 ovine) were brucellosis-seropositive. Overall, 0.7% of sheep and 0.1% of goats were seropositive. Eleven risk factors were studied at the group level by logistic regression using flock brucellosis-status as outcome, and by linear regression using percentage of brucellosis-seropositivity as outcome. Both final models contained the same variables: contact with sheep and grazing in communal pastures as risk factors, and frequency of disinfecting practices as a protective factor.
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