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Growth, immune response, antioxidant capability, and disease resistance of juvenile Atlantic salmon (Salmo salar L.) fed Bacillus velezensis V4 and Rhodotorula mucilaginosa compound
Wang, Chun1,2; Liu, Ying1,3; Sun, Guoxiang4; Li, Xian1; Liu, Zhipei5
2019-02-01
Source PublicationAQUACULTURE
ISSN0044-8486
Volume500Pages:65-74
Corresponding AuthorLiu, Ying(yingliu@dlou.edu.cn)
AbstractA feeding trial of 62 days was conducted to investigate the effects of dietary administration of a probiotics compound consisting of Bacillus velezensis V4 CGMCC 10149 and Rhodotorula mucilaginosa CGMCC 1013 on growth, immune response, antioxidant capability, and disease resistance of juvenile Atlantic salmon (Salmo salar L.) reared in a recirculating aquaculture system (RAS). Atlantic salmon were distributed in four equal groups, each with three replicates, which received one of the following experimental diets: Control (non-supplemented diet); T1 (B. velezensis V4 5 x 10(6) CFU g(-1), R. mucilaginosa 5 x 10(7) CFU g(-1)), T2 (B. velezensis V4 1.5 x 10(7) CFU g(-1), R. mucilaginosa 1.5 x 10(8) CFU g(-1)), and T3 (B. velezensis V4 2.5 x 10(7) CFU g(-1), R. mucilaginosa 2.5 x 10(8) CFU g(-1)). Administration of the probiotics compound had significant effects on growth performance, feed utilization, immune response, and antioxidant capability of Atlantic salmon, and mortality was significantly reduced (P < 0.05). After the feeding trial, fish were challenged with Aeromonas salmonicida (A. salmonicida) and cumulative mortality was recorded for the next 7 days. The cumulative mortality was lower in Atlantic salmon fed with the probiotics compound, especially in the T1 group, compared to the control. These results demonstrated that multi-probiotics had beneficial effects as an antibiotic replacer in terms of growth performance, non-specific immune responses and disease resistance in salmon. The present study demonstrated B. velezensis V4 and R. mucilaginosa compound as a beneficial dietary probiotics for juvenile Atlantic salmon reared in a RAS with the capability of improving growth performance and enhancing disease resistance by immunomodulation.
KeywordAntioxidant Atlantic salmon Bacillus velezensis V4 Growth Immunity Rhodotorula mucilaginosa
DOI10.1016/j.aquaculture.2018.09.052
Indexed BySCI
Language英语
Funding ProjectNational Key Technologies RD Program[2017YFB0404000] ; Key Technologies R&D Program of Shandong Province[2018GHY115031] ; National Natural Science Fundation of China[51808314] ; National Natural Science Fundation of China[31672673] ; National Natural Science Fundation of China[31472312]
WOS Research AreaFisheries ; Marine & Freshwater Biology
WOS SubjectFisheries ; Marine & Freshwater Biology
WOS IDWOS:000452969500008
PublisherELSEVIER SCIENCE BV
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/155944
Collection实验海洋生物学重点实验室
Corresponding AuthorLiu, Ying
Affiliation1.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Dalian Ocean Univ, Heishijiao St 52, Dalian 116000, Peoples R China
4.Shandong Jincheng Biopharmaceut Co Ltd, Zibo 255130, Peoples R China
5.Chinese Acad Sci, Inst Microbiol, Beijing 100101, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Wang, Chun,Liu, Ying,Sun, Guoxiang,et al. Growth, immune response, antioxidant capability, and disease resistance of juvenile Atlantic salmon (Salmo salar L.) fed Bacillus velezensis V4 and Rhodotorula mucilaginosa compound[J]. AQUACULTURE,2019,500:65-74.
APA Wang, Chun,Liu, Ying,Sun, Guoxiang,Li, Xian,&Liu, Zhipei.(2019).Growth, immune response, antioxidant capability, and disease resistance of juvenile Atlantic salmon (Salmo salar L.) fed Bacillus velezensis V4 and Rhodotorula mucilaginosa compound.AQUACULTURE,500,65-74.
MLA Wang, Chun,et al."Growth, immune response, antioxidant capability, and disease resistance of juvenile Atlantic salmon (Salmo salar L.) fed Bacillus velezensis V4 and Rhodotorula mucilaginosa compound".AQUACULTURE 500(2019):65-74.
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