Title Prevalence of infection caused by Mycobacterium avium subsp. paratuberculosis (Map) in dairy herds in Rio Grande do Sul -South Brazil
Author(s) Gomes MJP1, Asanome W1, Ribeiro VR2.
Institution(s) 1School of Veterinary Medicine - University of Rio Grande do Sul (UFRGS) Av. Bento Gonçalves, 9090 Porto Alegre CEP 91540-000 RS Brazil; 2School of Veterinary Medicine - Rural University of Rio de Janeiro State (UFRRJ) Brazil
Source Eighth International Colloquium on Paratuberculosis
Section 3a: Prevention and Control - Herd level
Presentation Poster
Abstract
The prevalence of Map infection was estimated by whole-herd (all cows > 3 years of age) testing in 36 bovine dairy herds in Rio Grande do Sul State by absorbed ELISA using PPA-3 commercial antigen. The herds were selected at random. The ELISA test identified 558 positive animals (44.6%) among 1316 samples tested.The infection was detected in 35 (97.2%) from 36 herds sampled and was present in all 25 municipal districts performed.The Map infection was disseminated in bovine dairy herds in Rio Grande do Sul, showing the necessity for adoption of control measures for the protection of State dairy herds.
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