alexa Effect of yeast-supplemented feed on Salmonella and Campylobacter populations in broilers.
Food & Nutrition

Food & Nutrition

Journal of Probiotics & Health

Author(s): Line JE, Bailey JS, Cox NA, Stern NJ, Tompkins T

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Abstract The effect of the yeast, Saccharomyces boulardii, on experimental cecal colonization of broilers with Salmonella typhimurium and Campylobacter jejuni was investigated. Duplicate pens of broiler chicks were given ad libitum access to a standard feed supplemented with no yeast (control), or 1 g (1x), or 100 g (100x) dried S. boulardii/kg feed. All chicks except negative controls were challenged on Day 4 with 3.2 x 10(8) cfu S. typhimurium and 6.5 x 10(8) cfu C. jejuni by oral gavage. After 3 wk, the broilers were euthanatized and ceca were aseptically removed and analyzed for Salmonella and Campylobacter. Frequency of Salmonella colonization was significantly (P < 0.05) reduced due to yeast treatment. Of the positive control birds, 70\% were colonized with Salmonella; whereas only 20 and 5\% of the 1x and 100x yeast-treated birds were colonized. Mean number of Salmonella per gram of ceca and contents were log 1.64, 0.35, and 0.15, respectively, for the control, 1x, and 100x yeast-treated birds. Campylobacter colonization was not significantly affected by yeast treatment. Similar results were obtained from a second trial conducted in larger isolation floor pens.
This article was published in Poult Sci and referenced in Journal of Probiotics & Health

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