Probiotic Characterization of Lactic Acid Bacteria from Donkey Feces in China

文献类型： 外文期刊

第一作者： Wu, Yanqiu

作者： Wu, Yanqiu;Yue, Shousong;Yu, Jinhui;Bian, Fei;Chen, Gao;Zhang, Yan;Wu, Yanqiu;Yue, Shousong;Yu, Jinhui;Bian, Fei;Chen, Gao;Zhang, Yan;Wu, Yanqiu;Yue, Shousong;Yu, Jinhui;Bian, Fei;Chen, Gao;Zhang, Yan

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关键词： antimicrobial activity; probiotic characteristics; donkey husbandry; Ligilactobacillus salivarius

期刊名称：ANIMALS （ 影响因子：2.7； 五年影响因子：3.2 ）

ISSN： 2076-2615

年卷期： 2025 年 15 卷 2 期

页码：

收录情况： SCI

摘要： Probiotics are beneficial to humans and animals and often used for regulating immunity, intestinal microbiota balance, and animal growth performance. Donkey husbandry has boomed in China in recent years and there is an urgent need for probiotics effective for improving donkey health. However, studies on potential probiotic strains isolated from donkeys are scarce. This project aimed to screen LAB strains from donkey feces, detect their antimicrobial activity and evaluate their probiotic characteristics in vitro. Thirteen LAB isolates showed different degrees of antimicrobial activity against four indicator bacteria: three common pathogens (Escherichia coli, Staphylococcus aureus, and Salmonella typhimurium) and one pathogen restricted to equines (Salmonella. abortus equi), eight of which could inhibit all four pathogens. Seven isolates showed higher tolerance to low pH and bile salts, with >50% and >60% survival rates, respectively. Five of them had more than 50% survival rate to artificial gastric and intestinal fluids. Only three isolates possessed good properties, with >40% auto-aggregation, >40% hydrophobicity, and high co-aggregation with the indicator pathogens. An L9 isolate, identified as Ligilactobacillus salivarius, was sensitive to most antibiotics tested. Overall, these results indicate that the L. salivarius L9 isolate meets the requirements of the probiotics selection criteria in vitro and can potentially be developed as a probiotic for donkeys.

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