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Dietary berberine supplementation improves growth performance and alleviates gut injury in weaned piglets by modulating ileal microbiota and metabolites

文献类型： 外文期刊

作者： Zhu, Cui 1 ; Le, Meifang 2 ; He, Zhentao 1 ; Bai, Yinshan 1 ; Yang, Jun 3 ; Ye, Jinling 3 ; Chen, Zhuang 2 ; Jiang, Zongyong 3 ;

作者机构： 1.Foshan Univ, Sch Life Sci & Engn, Foshan 528225, Peoples R China

2.Guangdong Acad Agr Sci, Agrobiol Gene Res Ctr, Guangzhou 510640, Peoples R China

3.Guangdong Acad Agr Sci, Inst Anim Sci, Guangzhou 510640, Peoples R China

期刊名称：FOOD & FUNCTION （ 影响因子：6.1； 五年影响因子：6.5 ）

ISSN： 2042-6496

年卷期： 2023 年 14 卷 9 期

页码：

收录情况： SCI

摘要： This study investigated the effects of dietary berberine (BBR) supplementation on the growth performance, intestinal health, and ileal microbiome and metabolomic profile in weaned piglets challenged with enterotoxigenic Escherichia coli (ETEC). Dietary BBR supplementation significantly attenuated the reduced average daily gain (ADG) and attenuated the increased feed to gain ratio (F/G) and the incidence of diarrhea induced by ETEC K88 (P < 0.05). Dietary BBR supplementation significantly increased the villus height and the villus height to crypt depth ratio in the ileum (P < 0.05). Moreover, the mRNA expression of ZO-1 and occludin as well as aquaporins (AQP1, AQP3, AQP4, AQP7, and AQP10) and Na+/H+ exchanger 3 (NHE3) in ileal mucosa was significantly upregulated by BBR treatment (P < 0.05). Additionally, BBR treatment significantly inhibited the increase of interleukin-1 beta (IL-1 beta) in jejunal mucosa caused by ETEC and reduced the levels of tumor necrosis factor-a (TNF-alpha) and IL-1 beta and increased interleukin-10 (IL-10) in colonic mucosa (P < 0.05). Dietary BBR treatment significantly increased the Observed_species, Chao 1, abundance based coverage estimators (ACE), and PD_whole tree in the ileal digesta of weaned piglets challenged with ETEC. At the genus level, the relative abundance of unidentified Clostridiales was decreased, while Weissella, Alloprevotella, unidentified Prevotellaceae, and Catenibacterium were increased in the BBR + ETEC group when compared to the ETEC group (P < 0.05). Spearman correlation analysis showed that the relative abundance of unidentified Clostridiales ( genus) was negatively correlated with the ileal villus height but negatively correlated with diarrhea and intestinal IL-1 beta and TNF-alpha concentrations (P < 0.05). The ileal metabolome analysis showed that the metabolic pathways including primary and secondary bile acid biosynthesis and bile secretion were significantly enriched by BBR treatment. Collectively, dietary BBR supplementation effectively improved the growth performance and alleviated the diarrhea and intestinal injury induced by ETEC K88 in weaned piglets, which might closely involve the modulation of ileal microbiota and metabolites.

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