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February 24, 2026Poultry ScienceOpen Access

Structurally distinct yeast-derived β-glucans modulate intestinal morphology and microbial metabolism in broiler chickens differentially

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Authors

YGYunfeng GuABAn BautilSSSteven J. Simmonds

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Overview

Investigates yeast β-glucan impact on gut health, growth, and microbial composition in broilers, suggesting significant dietary implications.

Key Points

  • This study aims to examine how the structure of yeast β-glucans affects growth performance and gut health in broiler chickens.
  • Conducted a 38-day trial with 952 Ross 308 broilers.
  • Used a maize-based diet with six variations supplemented with three types of yeast β-glucans.
  • Supplemented β-glucans at two inclusion levels (0.02% and 0.35%).
  • IHG_L improved body-weight uniformity and ileal villus height (VH) significantly.
  • SLG_H increased caecal propionate and overall SCFA levels on day 38.
  • IHG exhibited higher ileal VH and VH/CD ratio compared to SLG and IMG.
  • High doses of β-glucans significantly increased propionate and butyrate production.

Cite This Study

Gu et al. (2026) studied this question.

synapsesocial.com/papers/699d3f9ede8e28729cf644f3https://doi.org/10.1016/j.psj.2026.106689
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