Relationship between gut microbiota and Chinook salmon (Oncorhynchus tshawytscha) health and growth performance in freshwater recirculating aquaculture systems
Gut microbiota play important roles in fish health and growth performance and the microbiome in fish has been shown to be a biomarker for stress. In this study, we surveyed the change of Chinook salmon (Oncorhynchus tshawytscha) gut and water microbiota in freshwater recirculating aquaculture system...
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| Format: | Article |
| Language: | English |
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Frontiers Media S.A.
2023-02-01
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| Series: | Frontiers in Microbiology |
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| Online Access: | https://www.frontiersin.org/articles/10.3389/fmicb.2023.1065823/full |
| _version_ | 1811170284688900096 |
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| author | Ruixiang Zhao Jane E. Symonds Jane E. Symonds Seumas P. Walker Konstanze Steiner Chris G. Carter Chris G. Carter John P. Bowman Barbara F. Nowak |
| author_facet | Ruixiang Zhao Jane E. Symonds Jane E. Symonds Seumas P. Walker Konstanze Steiner Chris G. Carter Chris G. Carter John P. Bowman Barbara F. Nowak |
| author_sort | Ruixiang Zhao |
| collection | DOAJ |
| description | Gut microbiota play important roles in fish health and growth performance and the microbiome in fish has been shown to be a biomarker for stress. In this study, we surveyed the change of Chinook salmon (Oncorhynchus tshawytscha) gut and water microbiota in freshwater recirculating aquaculture systems (RAS) for 7 months and evaluated how gut microbial communities were influenced by fish health and growth performance. The gut microbial diversity significantly increased in parallel with the growth of the fish. The dominant gut microbiota shifted from a predominance of Firmicutes to Proteobacteria, while Proteobacteria constantly dominated the water microbiota. Photobacterium sp. was persistently the major gut microbial community member during the whole experiment and was identified as the core gut microbiota for freshwater farmed Chinook salmon. No significant variation in gut microbial diversity and composition was observed among fish with different growth performance. At the end of the trial, 36 out of 78 fish had fluid in their swim bladders. These fish had gut microbiomes containing elevated proportions of Enterococcus, Stenotrophomonas, Aeromonas, and Raoultella. Our study supports the growing body of knowledge about the beneficial microbiota associated with modern salmon aquaculture systems and provides additional information on possible links between dysbiosis and gut microbiota for Chinook salmon. |
| first_indexed | 2024-04-10T16:54:27Z |
| format | Article |
| id | doaj.art-a2343b9e532747f8ab3ea29fe3e466bd |
| institution | Directory Open Access Journal |
| issn | 1664-302X |
| language | English |
| last_indexed | 2024-04-10T16:54:27Z |
| publishDate | 2023-02-01 |
| publisher | Frontiers Media S.A. |
| record_format | Article |
| series | Frontiers in Microbiology |
| spelling | doaj.art-a2343b9e532747f8ab3ea29fe3e466bd2023-02-07T08:41:55ZengFrontiers Media S.A.Frontiers in Microbiology1664-302X2023-02-011410.3389/fmicb.2023.10658231065823Relationship between gut microbiota and Chinook salmon (Oncorhynchus tshawytscha) health and growth performance in freshwater recirculating aquaculture systemsRuixiang Zhao0Jane E. Symonds1Jane E. Symonds2Seumas P. Walker3Konstanze Steiner4Chris G. Carter5Chris G. Carter6John P. Bowman7Barbara F. Nowak8Institute for Marine and Antarctic Studies, University of Tasmania, Newnham, TAS, AustraliaCawthron Institute, Nelson, New ZealandInstitute for Marine and Antarctic Studies, University of Tasmania, Hobart, TAS, AustraliaCawthron Institute, Nelson, New ZealandCawthron Institute, Nelson, New ZealandInstitute for Marine and Antarctic Studies, University of Tasmania, Newnham, TAS, AustraliaInstitute for Marine and Antarctic Studies, University of Tasmania, Hobart, TAS, AustraliaCentre for Food Safety and Innovation, Tasmanian Institute of Agriculture, Hobart, TAS, AustraliaInstitute for Marine and Antarctic Studies, University of Tasmania, Newnham, TAS, AustraliaGut microbiota play important roles in fish health and growth performance and the microbiome in fish has been shown to be a biomarker for stress. In this study, we surveyed the change of Chinook salmon (Oncorhynchus tshawytscha) gut and water microbiota in freshwater recirculating aquaculture systems (RAS) for 7 months and evaluated how gut microbial communities were influenced by fish health and growth performance. The gut microbial diversity significantly increased in parallel with the growth of the fish. The dominant gut microbiota shifted from a predominance of Firmicutes to Proteobacteria, while Proteobacteria constantly dominated the water microbiota. Photobacterium sp. was persistently the major gut microbial community member during the whole experiment and was identified as the core gut microbiota for freshwater farmed Chinook salmon. No significant variation in gut microbial diversity and composition was observed among fish with different growth performance. At the end of the trial, 36 out of 78 fish had fluid in their swim bladders. These fish had gut microbiomes containing elevated proportions of Enterococcus, Stenotrophomonas, Aeromonas, and Raoultella. Our study supports the growing body of knowledge about the beneficial microbiota associated with modern salmon aquaculture systems and provides additional information on possible links between dysbiosis and gut microbiota for Chinook salmon.https://www.frontiersin.org/articles/10.3389/fmicb.2023.1065823/fullChinook salmongut microbiotaswim bladderrecirculating aquaculture systemgrowth performance |
| spellingShingle | Ruixiang Zhao Jane E. Symonds Jane E. Symonds Seumas P. Walker Konstanze Steiner Chris G. Carter Chris G. Carter John P. Bowman Barbara F. Nowak Relationship between gut microbiota and Chinook salmon (Oncorhynchus tshawytscha) health and growth performance in freshwater recirculating aquaculture systems Frontiers in Microbiology Chinook salmon gut microbiota swim bladder recirculating aquaculture system growth performance |
| title | Relationship between gut microbiota and Chinook salmon (Oncorhynchus tshawytscha) health and growth performance in freshwater recirculating aquaculture systems |
| title_full | Relationship between gut microbiota and Chinook salmon (Oncorhynchus tshawytscha) health and growth performance in freshwater recirculating aquaculture systems |
| title_fullStr | Relationship between gut microbiota and Chinook salmon (Oncorhynchus tshawytscha) health and growth performance in freshwater recirculating aquaculture systems |
| title_full_unstemmed | Relationship between gut microbiota and Chinook salmon (Oncorhynchus tshawytscha) health and growth performance in freshwater recirculating aquaculture systems |
| title_short | Relationship between gut microbiota and Chinook salmon (Oncorhynchus tshawytscha) health and growth performance in freshwater recirculating aquaculture systems |
| title_sort | relationship between gut microbiota and chinook salmon oncorhynchus tshawytscha health and growth performance in freshwater recirculating aquaculture systems |
| topic | Chinook salmon gut microbiota swim bladder recirculating aquaculture system growth performance |
| url | https://www.frontiersin.org/articles/10.3389/fmicb.2023.1065823/full |
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