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. 2019 Dec 1;98(12):6668-6676.
doi: 10.3382/ps/pez537.

Administration of dietary prebiotics improves growth performance and reduces pathogen colonization in broiler chickens

L K Froebel  1 , S Jalukar  2 , T A Lavergne  2 , J T Lee  1 , T Duong  1
Affiliations

Administration of dietary prebiotics improves growth performance and reduces pathogen colonization in broiler chickens

L K Froebel et al. Poult Sci. .

Abstract

Dietary prebiotics are thought to be potentially important alternatives to antibiotic growth promoters in poultry production because of their beneficial performance and health effects. The administration of dietary prebiotics has been demonstrated to improve animal health, growth performance, and microbial food safety in poultry production. In this study, we evaluated the effects of Saccharomyces-derived prebiotic refined functional carbohydrates (RFC) with yeast culture on growth performance and gastrointestinal and environmental microbiota when administered in-feed and through drinking water to broiler chickens. Broilers were administered 2 doses of prebiotic in-feed through 42 d of production and prebiotic-treated water in the final 72 h. Administration of prebiotic RFC improved ADG and decreased cecal Campylobacter counts, while the high dose also increased final BW. Additionally, significant main effects of prebiotic RFC dose were observed with the high dose improving ADG and ADFI over the finisher phase and final BW. Although the effects were not significant, the prevalence of Campylobacter in the cecum after feed withdrawal was 17% lower when broilers were administered the high prebiotic dose, and recovery of Campylobacter from litter was up to 50% lower when broilers were administered prebiotic RFC. Our results suggest that co-administration of RFC with yeast culture as a prebiotic can be used to improve growth performance and reduce human foodborne pathogens in poultry.

Keywords: Saccharomyces cerevisiae, Campylobacter; dietary prebiotics; refined functional carbohydrates.

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Figures

Figure 1
Figure 1
Enumeration of bacteria from broiler chickens. At 42 d post-hatch (A) Campylobacter was enumerated from the cecum of broiler chickens, and (B) C. perfringens and (C) total LAB were enumerated from the ileum. Counts are reported as the mean ± SEM log10 cfu g−1 digestive contents. Different letters above bars indicate means are significantly different (P ≤ 0.05).
See this image and copyright information in PMC

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