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Esterified butyric and valeric acids enhance broiler growth and intestinal health by modulating gut morphology and microbial profile

文献类型： 外文期刊

作者： Xu, Changchun 1 ; Lu, Xinxin 1 ; Ayalew, Habtamu 1 ; Iqbal, Waqar 1 ; Wang, Yuanxiao 2 ; Yin, Xiaonan 2 ; Song, Zhigang 3 ; Zhang, Haijun 1 ;

作者机构： 1.Chinese Acad Agr Sci, Feed Res Inst, Key Lab Feed Biotechnol, Minist Agr, Beijing, Peoples R China

2.Perstorp Holding AB, BA Anim Nutr, Malmo, Sweden

3.Shandong Agr Univ, Dept Anim Sci, Tai An, Peoples R China

关键词： Arbor Acres broilers; growth performance; acidifiers; intestinal barrier; microbiota

期刊名称：JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE （ 影响因子：3.5； 五年影响因子：4.2 ）

ISSN： 0022-5142

年卷期： 2025 年

页码：

收录情况： SCI

摘要： BACKGROUND: Intestinal health is essential for nutrient absorption and pathogen defense, directly influencing broiler growth. Esterified butyric and valeric acids (EBVA) support intestinal integrity, but their combined effects on broiler performance and gut health remain underexplored. This research evaluated EBVA supplementation on broiler growth and intestinal health. Chicks were assigned to two groups: a positive control receiving the basal diet and an EBVA group receiving the basal diet supplemented with 500 mg kg(-1) EBVA from day 1 to 28 and 250 mg kg(-1) from day 29 to 42. RESULTS: EBVA significantly improved average daily gain and feed conversion ratio during days 2942 (P < 0.05) and 142 (P < 0.05). EBVA significantly improved villus height in the jejunum and ileum (P < 0.05) and increased jejunum villus-to-crypt ratio at day 42 (P < 0.05). The mRNA expressions of Occludin (P < 0.05) and Claudin-1 (P < 0.05) were significantly higher in the EBVA jejunal mucosa at day 28, while Zonula occludens-1 (P < 0.05) and Occludin (P < 0.05) showed increased expression at day 42. EBVA modified the microbiota, significantly increasing Bacillus spp. in the terminal ileum at day 14 (P < 0.05) and Eggerthellaceae spp. at day 42 (P < 0.05), while reducing Streptococcus spp. at day 28 (P < 0.05). CONCLUSION: EBVA supplementation improved broiler growth and intestinal health by improving intestinal morphology, increasing barrier protein expression and modifying microbiota, suggesting potential for improved poultry production. (c) 2025 Society of Chemical Industry.

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