Mixed culture of commensal bacteria reduces E. coli in nursery pigs

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2003-01-01
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Harvey, R.
Genovese, K.
Anderson, R.
Nisbet, D.
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International Conference on the Epidemiology and Control of Biological, Chemical and Physical Hazards in Pigs and Pork
Iowa State University Conferences and Symposia

The SafePork conference series began in 1996 to bring together international researchers, industry, and government agencies to discuss current Salmonella research and identify research needs pertaining to both pig and pork production. In subsequent years topics of research presented at these conferences expanded to include other chemical and biological hazards to pig and pork production.

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The purpose of the present study was to use field trials to evaluate the efficacy of a porcine-derived, defined culture (RPCF) of commensal bacteria for prevention of clinical disease from enterotoxigenic strains of Escherichia coli in weaned pigs. Neonates (< 24 h old) were orally administered RPCF and were monitored throughout the post-weaning nursery period on five geographically separated farms. The farms had a history of high mortality from F-18 strains of E. coli. RPCF-treated pigs had reduced mortality, morbidity, and medication costs from E. coli compared to untreated pigs. Although experimental, RPCF may become an effective control procedure for enterotoxigenic E. coli.

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Wed Jan 01 00:00:00 UTC 2003