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Effects on development and microbial community of shrimp Litopenaeus vannamei larvae with probiotics treatment

文献类型： 外文期刊

作者： Wang, Ruixuan 1 ; Guo, Zihan 6 ; Tang, Yapeng 1 ; Kuang, Jiawei 5 ; Duan, Yafei 1 ; Lin, Heizhao 1 ; Jiang, Shigui 1 ; Sh 1 ;

作者机构： 1.Chinese Acad Fishery Sci, Shenzhen Base South China Sea Fisheries Res Inst, Shenzhen 518121, Peoples R China

2.Hanshan Normal Univ, Sch Food Engn & Biotechnol, Chaozhou 521041, Peoples R China

3.Minist Agr & Rural Affairs, Key Lab South China Sea Fishery Resources Exploit, Guangzhou 510300, Peoples R China

4.Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Guangzhou 510300, Peoples R China

5.Guangzhou Univ, Guangzhou 510300, Peoples R China

6.Calif Baptist Univ, Riverside, CA 92504 USA

关键词： Litopenaeus vannamei; Larvae; Probiotics; Development; Microbial community

期刊名称：AMB EXPRESS （ 影响因子：3.298； 五年影响因子：3.427 ）

ISSN： 2191-0855

年卷期： 2020 年 10 卷 1 期

页码：

收录情况： SCI

摘要： Shrimp production is the second ranked of the most-traded production in these decades and the whiteleg shrimp Litopenaeus vannamei is the sixth most cultured species. Probiotics are alternative strategy for the promotion of growth and prevention of diseases in aquaculture. To confirm the effects of the probiotics on development and microbial community of L. vannamei larvae during different development stages, five kinds of probiotics (10(8) similar to 10(9) CFU/g) were added into the rearing environment of shrimp larvae, and the effects of probiotics on bacterial community and water quality, larval growth and immune index were determined from nauplius larval stage to post larval stage. Results suggested that probiotics treated groups showed larger survival rate than the control groups from Z1 stage to P5 stage. Lactobacillus could improve the larvae's survival ability, especially in the larval stages M2, M3, P1, P5 stage. It was confirmed that probiotics could promote the growth and development of shrimp larvae and prevent the incomplete molting in their growing process, particularly for EM-treated group. Results suggested that all the probiotics-treated groups had shown significant decreasing trend in the quantity of vibrios, except for the SA-treated group. And different probiotics could inhibit vibrios during different life periods. Among these probiotics, LA, EM and PB had shown the best effects, including improving survival rate of the larvae, promoting the larval metamorphosis, reducing the quantity of vibrios and NH4-N and NO2-N levels, and increasing bacterial diversity.

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