Effects of carbon source addition on microbial community and water quality in recirculating aquaculture systems for Litopenaeus vannamei
文献类型： 外文期刊
作者： Chen, Zhao 1 ; Chang, Zhiqiang 1 ; Zhang, Long 1 ; Wang, Jiajia 1 ; Qiao, Ling 1 ; Song, Xiefa 3 ; Li, Jian 1 ;
作者机构： 1.Chinese Acad Fishery Sci, Key Lab Sustainable Dev Marine Fisheries, Minist Agr, Yellow Sea Fisheries Res Inst, Qingdao 266071, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Funct Lab Marine Fisheries Sci & Food Prod Proc, Qingdao, Peoples R China
3.Ocean Univ China, Fisheries Coll, Qingdao, Peoples R China
关键词： Bacterial community; RAS; C; N ratio; Litopenaeus vannamei; Water quality
期刊名称：FISHERIES SCIENCE （ 影响因子：1.617； 五年影响因子：1.531 ）
ISSN： 0919-9268
年卷期： 2020 年 86 卷 3 期
页码：
收录情况： SCI
摘要： In order to study the effects of carbon source addition on the bacterial community, water quality and shrimp growth in the recirculating aquaculture system of Litopenaeus vannamei, sucrose with 50% of the daily feed was added daily to the system from the middle stage of culture. The bacterial communities in biofilters, aquaculture waters and shrimp intestines were measured using an Illumina MiSeq platform. The addition of sucrose did not significantly improve the regulation of nitrogen in the water, although there was a tendency to increase shrimp production. The addition of sucrose also had little effect on the bacterial community of water and intestine, but had significant effects on the bacterial community in the biofilter. Carbon addition transformed the dominant bacterial taxa of the biofilter from the Proteobacteria dominated by Rhodobacteraceae to the Planctomycetes dominated by Planctomycetaceae. In this study, the characteristics of the bacterial community and the effects of carbon source addition in the recirculating aquaculture system of L. vannamei are presented, which provides a basis for microbial management in the recirculating aquaculture system of L. vannamei. In view of the unknown role of numerous bacterial groups, the function of the bacterial community needs further study.
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