The Effect of UV Irradiation on Rearing Water Quality, Growth, and Survival of European Lobster ( Homarus gammarus , L.) Larvae
The successful establishment of European lobster ( Homarus gammarus ) land-based production is hampered by the high mortality rate during larval development, which can be partially explained by the proliferation of pathogens in the communal tanks commonly used for larval rearing. Therefore, disinfec...
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ftdtupubl:oai:pure.atira.dk:publications/1aab565b-a894-4b60-8b87-5eda4c01aa7a 2024-06-23T07:52:35+00:00 The Effect of UV Irradiation on Rearing Water Quality, Growth, and Survival of European Lobster ( Homarus gammarus , L.) Larvae Goncalves, Renata Aalto, Sanni L. Lund, Ivar 2023 application/pdf https://orbit.dtu.dk/en/publications/1aab565b-a894-4b60-8b87-5eda4c01aa7a https://doi.org/10.1155/2023/8668381 https://backend.orbit.dtu.dk/ws/files/315240897/8668381.pdf eng eng https://orbit.dtu.dk/en/publications/1aab565b-a894-4b60-8b87-5eda4c01aa7a info:eu-repo/semantics/openAccess Goncalves , R , Aalto , S L & Lund , I 2023 , ' The Effect of UV Irradiation on Rearing Water Quality, Growth, and Survival of European Lobster ( Homarus gammarus , L.) Larvae ' , Aquaculture Research , vol. 2023 , 8668381 . https://doi.org/10.1155/2023/8668381 article 2023 ftdtupubl https://doi.org/10.1155/2023/8668381 2024-06-11T15:16:31Z The successful establishment of European lobster ( Homarus gammarus ) land-based production is hampered by the high mortality rate during larval development, which can be partially explained by the proliferation of pathogens in the communal tanks commonly used for larval rearing. Therefore, disinfection water treatment could improve the low survival rates frequently recorded in H. gammarus farming. In this study, we evaluated the effect of UV irradiation on the microbial abundance and physicochemical quality of the culture water, as well as on H. gammarus larvae growth and survival reared on a flow-through system for a period of 15 days. Results showed that UV treatment significantly decreased the microbial abundance and reduced the variation in water parameters but did not improve physicochemical water quality (turbidity, ultraviolet transmission, nitrogenous compounds, biochemical, and chemical oxygen demand). Moreover, contrary to the expectations, UV irradiation did not improve but slowed down larvae growth. We initially hypothesized that UV disinfection would enhance the rearing water quality by inactivating bacteria, including potential pathogens, and hence, benefit larvae growth and survival. Our findings suggest that UV disinfection can stabilize the rearing environment but does not benefit H. gammarus larvae rearing, at least in a flow-through system set-up. This could be due to UV disinfection eliminating not only potential harmful pathogens but also other microbial groups important for the establishment of a healthy gut microbiota supporting lobster larvae growth. Article in Journal/Newspaper European lobster Homarus gammarus Technical University of Denmark: DTU Orbit Aquaculture Research 2023 1 10 |
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Technical University of Denmark: DTU Orbit |
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ftdtupubl |
language |
English |
description |
The successful establishment of European lobster ( Homarus gammarus ) land-based production is hampered by the high mortality rate during larval development, which can be partially explained by the proliferation of pathogens in the communal tanks commonly used for larval rearing. Therefore, disinfection water treatment could improve the low survival rates frequently recorded in H. gammarus farming. In this study, we evaluated the effect of UV irradiation on the microbial abundance and physicochemical quality of the culture water, as well as on H. gammarus larvae growth and survival reared on a flow-through system for a period of 15 days. Results showed that UV treatment significantly decreased the microbial abundance and reduced the variation in water parameters but did not improve physicochemical water quality (turbidity, ultraviolet transmission, nitrogenous compounds, biochemical, and chemical oxygen demand). Moreover, contrary to the expectations, UV irradiation did not improve but slowed down larvae growth. We initially hypothesized that UV disinfection would enhance the rearing water quality by inactivating bacteria, including potential pathogens, and hence, benefit larvae growth and survival. Our findings suggest that UV disinfection can stabilize the rearing environment but does not benefit H. gammarus larvae rearing, at least in a flow-through system set-up. This could be due to UV disinfection eliminating not only potential harmful pathogens but also other microbial groups important for the establishment of a healthy gut microbiota supporting lobster larvae growth. |
format |
Article in Journal/Newspaper |
author |
Goncalves, Renata Aalto, Sanni L. Lund, Ivar |
spellingShingle |
Goncalves, Renata Aalto, Sanni L. Lund, Ivar The Effect of UV Irradiation on Rearing Water Quality, Growth, and Survival of European Lobster ( Homarus gammarus , L.) Larvae |
author_facet |
Goncalves, Renata Aalto, Sanni L. Lund, Ivar |
author_sort |
Goncalves, Renata |
title |
The Effect of UV Irradiation on Rearing Water Quality, Growth, and Survival of European Lobster ( Homarus gammarus , L.) Larvae |
title_short |
The Effect of UV Irradiation on Rearing Water Quality, Growth, and Survival of European Lobster ( Homarus gammarus , L.) Larvae |
title_full |
The Effect of UV Irradiation on Rearing Water Quality, Growth, and Survival of European Lobster ( Homarus gammarus , L.) Larvae |
title_fullStr |
The Effect of UV Irradiation on Rearing Water Quality, Growth, and Survival of European Lobster ( Homarus gammarus , L.) Larvae |
title_full_unstemmed |
The Effect of UV Irradiation on Rearing Water Quality, Growth, and Survival of European Lobster ( Homarus gammarus , L.) Larvae |
title_sort |
effect of uv irradiation on rearing water quality, growth, and survival of european lobster ( homarus gammarus , l.) larvae |
publishDate |
2023 |
url |
https://orbit.dtu.dk/en/publications/1aab565b-a894-4b60-8b87-5eda4c01aa7a https://doi.org/10.1155/2023/8668381 https://backend.orbit.dtu.dk/ws/files/315240897/8668381.pdf |
genre |
European lobster Homarus gammarus |
genre_facet |
European lobster Homarus gammarus |
op_source |
Goncalves , R , Aalto , S L & Lund , I 2023 , ' The Effect of UV Irradiation on Rearing Water Quality, Growth, and Survival of European Lobster ( Homarus gammarus , L.) Larvae ' , Aquaculture Research , vol. 2023 , 8668381 . https://doi.org/10.1155/2023/8668381 |
op_relation |
https://orbit.dtu.dk/en/publications/1aab565b-a894-4b60-8b87-5eda4c01aa7a |
op_rights |
info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.1155/2023/8668381 |
container_title |
Aquaculture Research |
container_volume |
2023 |
container_start_page |
1 |
op_container_end_page |
10 |
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1802643928038506496 |