在实验室发酵特征的白纤维使用狗便注射剂
Vanessa M De La Guardia-Hidrogo1, Elizabeth L Geary1, Sofia M Wilson1
1Department of Animal Sciences, University of Illinois Urbana-Champaign, Urbana, IL 61801, USA.
Journal of animal science
|May 6, 2025
概括
阿卡西亚纤维是一种适度发酵的纤维,可以增加肠道细菌的多样性和丰富性. 虽然它产生较少的气体和短链脂肪酸 (SCFA),但它显示出对狗肠道健康的潜力.
科学领域:
- 动物科学动物科学
- 微生物学 微生物学
- 营养科学 营养科学
背景情况:
- 阿卡西亚纤维是来自阿卡西亚树的可溶性纤维,在物料中用于质地.
- 它在狗模型中的发酵特性还不太清楚.
研究的目的:
- 通过使用狗便注射剂来评估白纤维的体外发酵.
- 为了比较它的发酵与胰岛素和乳清素 (正对照) 和纤维素 (负对照).
主要方法:
- 在体外发酵系统中使用狗便注射剂.
- 纤维的化时间为0,6,12和18小时.
- 分析pH值,气体,短链脂肪酸 (SCFA) 和微生物种群.
主要成果:
- 阿卡西亚纤维显示中度发酵,产生较少的气体和SCFA比点氨酸和胰岛素.
- 它增加了细菌α多样性和丰富性,不同于inulin.
- 亚卡西亚纤维显著改变了关键细菌属的丰富性,包括Bacteroides和Faecalibacterium.
结论:
- 阿卡西亚纤维是一种适度发酵的纤维,对狗肠道微生物群的多样性产生积极影响.
- 它显示了促进狗的肠道健康的潜力,因此有必要进行进一步的体内研究.
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