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Fermented Corn-Soybean Meal Improved Growth Performance and Reduced Diarrhea Incidence by Modulating Intestinal Barrier Function and Gut Microbiota in Weaned Piglets

文献类型： 外文期刊

作者： Qiu, Yueqin 1 ; Tang, Jiaxi 1 ; Wang, Li 1 ; Yang, Xuefen 1 ; Jiang, Zongyong 1 ;

作者机构： 1.State Key Lab Swine & Poultry Breeding Ind, Guangzhou 510640, Peoples R China

2.Minist Agr & Rural Affairs, Key Lab Anim Nutr & Feed Sci South China, Guangzhou 510640, Peoples R China

3.Guangdong Prov Key Lab Anim Breeding & Nutr, Guangzhou 510640, Peoples R China

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

关键词： fermented mixed feed; weaned piglets; growth performance; intestinal barrier; butyrate; gut microbiota

期刊名称：INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES （ 影响因子：5.6； 五年影响因子：6.2 ）

ISSN： 1661-6596

年卷期： 2024 年 25 卷 6 期

页码：

收录情况： SCI

摘要： This study aimed to investigate the effects of fermented corn-soybean meal mixed feed (FMF) on growth performance, intestinal barrier function, gut microbiota and short-chain fatty acids in weaned piglets. A total of 128 weaned piglets [Durocx(LandracexYorkshire), male, 21-day-old] were randomly allocated to four groups. Piglets were fed a control diet (CON) or the control diet supplemented with 10%, 50% or 100% FMF (FMF-10, FMF-50 or FMF-100, respectively) for 14 d. The results showed that the FMF-100 group had higher average daily gain and average daily feed intake and lower diarrhea incidence than the CON group (p < 0.05). The FMF-50 and FMF-100 groups had greater villus height in the duodenum and jejunum, and the FMF-10 and FMF-100 groups had higher villus height-to-crypt depth ratio in the duodenum and jejunum than the CON group. Additionally, the FMF-100 group had higher protein expression of duodenal, jejunal and ileal ZO-1 and jejunal claudin-1; higher mRNA expression of duodenal and ileal TJP1 and jejunal CLDN1 and IL10; and lower jejunal IL1B mRNA expression (p < 0.05). The FMF-50 group showed higher jejunal ZO-1 and claudin-1 protein levels, higher mRNA expression levels of IL10 and TJP1 and lower levels of TNF in the jejunum; the FMF-10 group had higher mRNA expression levels of IL10 and lower levels of TNF in the jejunum than the CON group (p < 0.05). Furthermore, the FMF-10 and FMF-50 groups had higher colonic Lactobacillus abundance and butyrate levels; the FMF-100 group had higher abundance of colonic butyrate, Lactobacillus and Faecalibacterium than the CON group (p < 0.05). Collectively, our results suggest that FMF could improve intestinal mucosal barrier function, gut microbiota and their metabolites, thereby enhancing average daily gain and reducing diarrhea incidence in weaned piglets.

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