Dietary supplementation of Astragalus fermentation products improves the growth performance, immunological characteristics, and disease resistance of crucian carp (Carassius auratus)

文献类型： 外文期刊

第一作者： Shi, Lisha

作者： Shi, Lisha;Xue, Mingyang;Xing, Yangyang;Xu, Chen;Jiang, Nan;Fan, Yuding;Chen, Jianwu;Liu, Wei;Zeng, Lingbing;Zhou, Yong;Shi, Lisha;Wu, Yeying;Wu, Minglin

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关键词： fermentation; growth characteristics; disease resistance; crucian carp; Astragalus

期刊名称：ISRAELI JOURNAL OF AQUACULTURE-BAMIDGEH （ 影响因子：0.5； 五年影响因子：0.6 ）

ISSN： 0792-156X

年卷期： 2024 年 76 卷 2 期

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收录情况： SCI

摘要： The fermentation products of Astragalus have been acknowledged for their ability to enhance immune functions. This study assessed the impact of incorporating Astragalus, fermented with Lactobacillus plantarum and Bacillus coagulans, on crucian carp's growth, disease resistance, and immunological characteristics. The experimental groups were fed with common feed (C), C + Astragalus (A), A + Lactobacillus plantarum (AL), A + Bacillus coagulans (AB), and AL + Bacillus coagulans (ALB). The fermented products were mixed with common feed at a 1:99 ratio, and crucian carp were fed 2% of their body weight for four weeks, with sampling conducted on days 3, 7, 14, 21, and 28. Disease resistance was evaluated using Aeromonas hydrophila (A. hydrophila) at a concentration of 0.2 mL (1.0x107 CFU/mL). The final weights in the AL, AB, and ALB groups significantly increased compared to the C group. The ALB group exhibited elevated serum albumin expression compared to the C group. At the same time, alanine aminotransferase, aspartate aminotransferase, and glucose contents were significantly reduced. The survival rate significantly increased in all experimental groups after treatment with A. hydrophila. In conclusion, Astragalus products fermented with Lactobacillus plantarum and Bacillus coagulans could effectively improve crucian carp's growth, disease resistance, and immune response.

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