Effect of feeding strategy on Salmonella in Danish sows and weaners

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2003-01-01
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Bysted, Dan
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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 aim of this study was to investigate the effect of feeding strategy on Salmonella prevalence in sows and weaners. The owners of 228 sow herds were interviewed about their feeding strategy with regard to 1) use of home mixed meal feed contra pelleted feed, 2) heat-treated protein contra non-heat-treated protein (soy protein), 3) contents of high-fibre grain types (barley, oat and sugar beet pellets) contra wheat, 4) use of organic acids in feed or drinking water, and 5) liquid/fermented feed contra dry feed. The answers were compared with the bacteriological and serological Salmonella data from each herd. No statistical significant effects were found of feeding strategy on Salmonella in these groups. Other factors like housing, management, cleaning and disinfection were not included in this study, and therefore their effect cannot be excluded.

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Wed Jan 01 00:00:00 UTC 2003