A newly isolated strain of Bacillus subtilis W2Z exhibited probiotic effects on juvenile red claw crayfish, Cherax quadricarinatus
文献类型： 外文期刊
作者： Zhang, Ze-Long 1 ; Li, Jia-Jun 1 ; Xing, Si -Wen 1 ; Lu, Yao-Peng 1 ; Zheng, Pei-Hua 1 ; Li, Jun -Tao 1 ; Hao, Chen-Guang 1 ; Xu, Jia-Rui 1 ; Xian, Jian-An 1 ; Zhang, Li -Min 2 ; Zhang, Xiu-Xia 1 ;
作者机构： 1.Chinese Acad Trop Agr Sci, Inst Trop Biosci & Biotechnol, Hainan Prov Key Lab Funct Components Res & Utiliza, Haikou 571101, Peoples R China
2.Jiamusi Univ, Coll Biol & Agr, Jiamusi 154007, Heilongjiang, Peoples R China
关键词： Biological control; Probiotics; Chemical constituents; Cherax quadricarinatus; Disease resistance; Growth performance; Non-specific immunity; Intestinal microbiota
期刊名称：AQUACULTURE （ 影响因子：4.5； 五年影响因子：4.6 ）
ISSN： 0044-8486
年卷期： 2024 年 585 卷
页码：
收录情况： SCI
摘要： Aquaculture traditionally used antibiotics, leading to environmental contamination, food residue, and antibioticresistant superbugs. Probiotics offer a promising antibiotic alternative. In this study, a strain of Bacillus subtilis W2Z was isolated from aquaculture environments and can inhibit pathogens in aquaculture food production through chemical compounds. Eight-weeks C. quadricarinatus cultivation experiments revealed that B. subtilis W2Z, as a probiotic, contributes to increasing the yield of red claw crayfish. The supplementation of strain W2Z in the feed enhanced the crayfish's resistance to Aeromonas hydrophila by increasing immune-related enzyme activity and improving intestinal microbiota. B. subtilis W2Z has significant potential as a bioresource for exploring probiotics in crustacean aquaculture. Adding B. subtilis W2Z to C. quadricarinatus feed at a concentration of 1 x 108 to 1 x 109 colony forming unit (CFU)/g is recommended.
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