Prevalence of pigs infected by Salmonella typhimurium at slaughter after an enterocolitis outbreak
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Elsevier B.V.
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A cross-sectional study was performed to estimate the prevalence of slaughter pigs infected by Salmonella typhimurium after an enterocolitis outbreak in a commercial pig farm, which was characterised by diarrhoea during the growing phase. Anatomopathological and histopathological findings were suggestive of salmonellosis, which was further confirmed by isolation of S. typhimurium from organs and faeces samples from diseased animals. Ileocolic lymph nodes were aseptically collected from 43 pigs during slaughter procedures. The estimated prevalence of Salmonella-infected pigs was 53.48% [confidence interval (CI): 42.94:64.02%]. This finding demonstrates that the carriage of S. typhimurium at slaughter might be high if pigs originate from a batch previously affected by Salmonella-enterocolitis outbreak at the pre-harvest pork production chain. (c) 2005 Elsevier B.V. All rights reserved.
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carcass, lymph nodes, pork, Salmonella typhimurium, salmonellosis, swine
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Inglês
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International Journal of Food Microbiology. Amsterdam: Elsevier B.V., v. 105, n. 2, p. 267-271, 2005.
