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Spatial variations in intestinal skatole production and microbial composition in broilers.

Guiqin Yang1, Pei Zhang1, Haiying Liu1

  • 1College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang, P. R. China.

Animal Science Journal = Nihon Chikusan Gakkaiho
|January 19, 2019
PubMed
Summary

Intestinal skatole levels in broilers varied, with higher concentrations in the cecum. Microbial diversity and fermentation patterns, particularly involving Bacteroides uniformis, correlated with skatole production.

Keywords:
broilerindoleintestinal microfloraskatole

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Area of Science:

  • Animal Science
  • Microbiology
  • Gastroenterology

Background:

  • Skatole, a microbial metabolite, can impact meat quality in broilers.
  • Understanding the spatial distribution of skatole and its relationship with gut microbiota is crucial for broiler production.

Purpose of the Study:

  • To investigate the spatial variations of skatole production in the broiler intestine.
  • To analyze the correlation between intestinal microbial composition and skatole levels.

Main Methods:

  • Skatole, lactate, and acetate levels were measured in ileum, cecum, and rectum samples from broilers.
  • Microbial community structure was analyzed using Denaturing Gradient Gel Electrophoresis (DGGE).

Main Results:

  • Skatole levels were highest in the cecum, followed by the rectum and ileum.
  • Cecal samples showed higher microbial diversity, richness, and total bacterial population compared to ileum and rectum.
  • Skatole levels positively correlated with microbial diversity (Shannon-Wiener index, richness), total bacteria, Lactobacilli, and Bifidobacterium.

Conclusions:

  • Intestinal fermentation patterns, influenced by microbial composition, are key factors in skatole production variations.
  • Bacteroides uniformis, identified in cecal samples, may play a role in skatole biosynthesis in broilers.