Dietary Fiber Increases Butyrate-Producing Bacteria and Improves the Growth Performance of Weaned Piglets

The study investigated the impact of dietary fibers on the performance, fecal short-chain fatty acids, nutrient digestibility, and bacterial community in weaned piglets with the control group (CON) and dietary supplementation of 5% corn bran (CB), 5% wheat bran (WB), or 5% soybean hulls (SB). The pi...

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Bibliographic Details
Published in:Journal of agricultural and food chemistry 2018-08, Vol.66 (30), p.7995-8004
Main Authors: Zhao, Jinbiao, Liu, Ping, Wu, Yi, Guo, Pingting, Liu, Ling, Ma, Ning, Levesque, Crystal, Chen, Yiqiang, Zhao, Jinshan, Zhang, Jie, Ma, Xi
Format: Article
Language:English
Subjects:
Animal Feed
Animals
Bacteria - classification
Bacteria - genetics
Bacteria - isolation & purification
Bacteria - metabolism
Butyric Acid - metabolism
Dietary Fiber - metabolism
Gastrointestinal Microbiome
Glycine max - metabolism
Swine - growth & development
Swine - microbiology
Triticum - metabolism
Weaning
Zea mays - metabolism
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Summary:The study investigated the impact of dietary fibers on the performance, fecal short-chain fatty acids, nutrient digestibility, and bacterial community in weaned piglets with the control group (CON) and dietary supplementation of 5% corn bran (CB), 5% wheat bran (WB), or 5% soybean hulls (SB). The piglets in CB and WB groups showed greater weight gain and feed efficiency (p < 0.05) in comparison to piglets in CON and SB groups. Fecal samples from piglets in CB, SB, and WB groups contained greater (p < 0.05) butyrate levels than fecal samples from piglets in the CON group. The fecal samples from piglets in CB or WB groups contained greater (p < 0.05) abundances of Actinobacteria and Firmicutes or Fibrobacteres than the fecal sample from piglets in the CON group, which could promote fiber degradation and the production of butyrate. In summary, dietary CB or WB may enhance the growth performance of weaned piglets via altering gut microbiota and improving butyrate production, which shed light on the mechanism of dietary fiber in improving gut health.
ISSN:0021-8561
1520-5118
DOI:10.1021/acs.jafc.8b02545