Effect of feeding strategy on Salmonella in Danish sows and weaners

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2003-01-01
Authors
Bysted, Dan
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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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