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Beneficial Effects of Bacillus amyloliquefaciens D1 Soy Milk Supplementation on Serum Biochemical Indexes and Intestinal Health of Bearded Chickens

  • 2023-06-26
  • Microorganisms 11(7)
    • Liyu Du
    • Weizhe Chen
    • Jie Wang
    • Lingzhu Huang
    • Qikai Zheng
    • Junjie Chen
    • Linhao Wang
    • Changyu Cai
    • Xiangbin Zhang
    • Li Wang
    • Qingping Zhong
    • Wujie Zhong
    • Xiang Fang
    • Zhenlin Liao

Abstract

This study investigated the effects of dietary supplementation with Bacillus amyloliquefaciens D1 (B. amyloliquefaciens D1) on growth performance, serum anti-inflammatory cytokines, and intestinal microbiota composition and diversity in bearded chickens. To investigate the effects of Bacillus amyloliquefaciensa and fermented soy milk, 7-day-old broilers were orally fed different doses of Bacillus amyloliquefaciens D1 fermented soy milk for 35 days, with the unfermented soy milk group as the Placebo group. This study found that B. amyloliquefaciens D1 fermented soy milk improved the intestinal microbiota of broilers, significantly increasing the abundance of beneficial bacteria and decreasing the abundance of harmful bacteria in the gut. B. amyloliquefaciens D1 fermented soy milk also significantly reduced the serum lipopolysaccharide (LPS) content. The body weight and daily weight gain of broilers were increased. In conclusion, the results of this study are promising and indicate that supplementing the diets of bearded chickens with B. amyloliquefaciens D1 fermented soy milk has many beneficial effects in terms of maintaining intestinal microbiota balance and reducing inflammation in chickens.

Keywords: Bacillus amyloliquefaciens; fermented soy milk; growth performance; intestinal microbiota; serum index.

Research Insights

SupplementHealth OutcomeEffect TypeEffect Size
Bacillus amyloliquefaciensImproved Microbiota BalanceBeneficial
Large
Bacillus amyloliquefaciensReduced Inflammation LevelsBeneficial
Large
Bacillus amyloliquefaciensReduced Plasma Lipopolysaccharide LevelsBeneficial
Moderate

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