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不同大豆寡糖的体外发酵特性及其对肉鸡粪臭素产生和盲肠微生物群的影响。

In vitro fermentation profiles of different soybean oligosaccharides and their effects on skatole production and cecal microbiota of broilers.

作者信息

Zhu Xin, Xu Miao, Liu Haiying, Yang Guiqin

机构信息

College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang 110866, China.

出版信息

Anim Biosci. 2022 Aug;35(8):1195-1204. doi: 10.5713/ab.21.0424. Epub 2022 Jan 5.

DOI:10.5713/ab.21.0424
PMID:34991192
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9262728/
Abstract

OBJECTIVE

The objective of this study was to investigate the in vitro fermentation profiles of different soybean oligosaccharides (SBOs) and their effects on skatole production and cecal microbiota of broilers.

METHODS

Five SBOs with varying main component contents were fermented using an in vitro batch incubation inoculated with broiler cecal microbiota. Gas production was recorded automatically, skatole, indole and short-chain fatty acids (SCFAs) were determined using high-performance liquid chromatography, and microbial changes were analyzed using 16S DNA gene sequencing.

RESULTS

The addition of SBOs increased (p<0.05) gas production, suggesting bacterial growth-stimulating activities. In addition, the concentrations of indole were significantly (p<0.05) decreased after SBO supplementation, and SBO III, with higher sucrose and stachyose contents, decreased (p<0.05) the skatole level. Our results also revealed that the fermentation of SBOs by cecal microbiota produced (p<0.05) SCFAs, which were dominated by propionic acid, butyrate acid and lactic acid compared to the control. In addition, SBO III increased (p<0.05) the abundance of Firmicutes and Subdoligranulum and decreased that of Bacteroides.

CONCLUSION

These results suggest that SBOs with higher sucrose and stachyose contents are promising prebiotics in modulating gut microbiota and reducing odor emission in broilers.

摘要

目的

本研究旨在探究不同大豆寡糖(SBOs)的体外发酵特性及其对肉鸡粪臭素产生和盲肠微生物群的影响。

方法

使用接种了肉鸡盲肠微生物群的体外批次培养法对五种主要成分含量不同的SBOs进行发酵。自动记录产气量,采用高效液相色谱法测定粪臭素、吲哚和短链脂肪酸(SCFAs),并使用16S DNA基因测序分析微生物变化。

结果

添加SBOs可提高(p<0.05)产气量,表明具有促进细菌生长的活性。此外,添加SBOs后吲哚浓度显著降低(p<0.05),蔗糖和水苏糖含量较高的SBO III可降低(p<0.05)粪臭素水平。我们的结果还表明,盲肠微生物群对SBOs的发酵产生了(p<0.05)SCFAs,与对照组相比,SCFAs以丙酸、丁酸和乳酸为主。此外,SBO III增加了(p<0.05)厚壁菌门和Subdoligranulum的丰度,降低了拟杆菌门的丰度。

结论

这些结果表明,蔗糖和水苏糖含量较高的SBOs有望成为调节肉鸡肠道微生物群和减少气味排放的益生元。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fb68/9262728/f872e3421dc4/ab-21-0424f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fb68/9262728/182b80618158/ab-21-0424f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fb68/9262728/bece47099260/ab-21-0424f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fb68/9262728/335a583d7bcb/ab-21-0424f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fb68/9262728/addbf73204dc/ab-21-0424f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fb68/9262728/861c4c064915/ab-21-0424f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fb68/9262728/a48af12d72a2/ab-21-0424f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fb68/9262728/f872e3421dc4/ab-21-0424f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fb68/9262728/182b80618158/ab-21-0424f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fb68/9262728/bece47099260/ab-21-0424f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fb68/9262728/335a583d7bcb/ab-21-0424f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fb68/9262728/addbf73204dc/ab-21-0424f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fb68/9262728/861c4c064915/ab-21-0424f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fb68/9262728/a48af12d72a2/ab-21-0424f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fb68/9262728/f872e3421dc4/ab-21-0424f7.jpg

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