Evaluation of low temperature and salinity as a treatment of Atlantic salmon against amoebic gill disease
Amoebic gill disease (AGD) is a significant health issue for Atlantic salmon farmed in a marine environment. While the disease is currently managed using freshwater or hydrogen peroxide baths, there is a need to develop other treatments. The aims of this study were to examine the effect of salinity...
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Online Access: | https://doi.org/10.3390/microorganisms10020202 http://ecite.utas.edu.au/148714 |
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ftunivtasecite:oai:ecite.utas.edu.au:148714 2023-05-15T15:29:56+02:00 Evaluation of low temperature and salinity as a treatment of Atlantic salmon against amoebic gill disease Hudson, J Adams, M Jantawongsri, K Dempster, T Nowak, BF 2022 application/pdf https://doi.org/10.3390/microorganisms10020202 http://ecite.utas.edu.au/148714 en eng MDPIAG http://ecite.utas.edu.au/148714/1/148714 - Evaluation of low temperature and salinity as a treatment of Atlantic.pdf http://dx.doi.org/10.3390/microorganisms10020202 Hudson, J and Adams, M and Jantawongsri, K and Dempster, T and Nowak, BF, Evaluation of low temperature and salinity as a treatment of Atlantic salmon against amoebic gill disease, Microorganisms, 10, (2) Article 202. ISSN 2076-2607 (2022) [Refereed Article] http://ecite.utas.edu.au/148714 Agricultural Veterinary and Food Sciences Fisheries sciences Fish pests and diseases Refereed Article PeerReviewed 2022 ftunivtasecite https://doi.org/10.3390/microorganisms10020202 2022-10-17T22:16:47Z Amoebic gill disease (AGD) is a significant health issue for Atlantic salmon farmed in a marine environment. While the disease is currently managed using freshwater or hydrogen peroxide baths, there is a need to develop other treatments. The aims of this study were to examine the effect of salinity (0 ppt and 35 ppt) and temperature (3 C and 15 C) on attachment and survival of Neoparamoeba perurans in vitro over short exposure times (15 min and 2 h) and to assess the efficacy of reduced temperature (3 C) as treatment for Atlantic salmon affected by AGD. In vitro freshwater 3 C was at least as effective as freshwater 15 C and the attachment was significantly lower after 2 h in freshwater 3 C than freshwater 15 C. In vivo there was no difference between the fish treated with freshwater 15 C for 2 h or freshwater 3 C. This study showed that despite exposure to low temperature reducing attachment of N. perurans to their substrate in vitro, 15 min cold-water bath treatment was not more effective at reducing AGD in Atlantic salmon than current commercial 2 h freshwater bath. Article in Journal/Newspaper Atlantic salmon eCite UTAS (University of Tasmania) Microorganisms 10 2 202 |
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eCite UTAS (University of Tasmania) |
op_collection_id |
ftunivtasecite |
language |
English |
topic |
Agricultural Veterinary and Food Sciences Fisheries sciences Fish pests and diseases |
spellingShingle |
Agricultural Veterinary and Food Sciences Fisheries sciences Fish pests and diseases Hudson, J Adams, M Jantawongsri, K Dempster, T Nowak, BF Evaluation of low temperature and salinity as a treatment of Atlantic salmon against amoebic gill disease |
topic_facet |
Agricultural Veterinary and Food Sciences Fisheries sciences Fish pests and diseases |
description |
Amoebic gill disease (AGD) is a significant health issue for Atlantic salmon farmed in a marine environment. While the disease is currently managed using freshwater or hydrogen peroxide baths, there is a need to develop other treatments. The aims of this study were to examine the effect of salinity (0 ppt and 35 ppt) and temperature (3 C and 15 C) on attachment and survival of Neoparamoeba perurans in vitro over short exposure times (15 min and 2 h) and to assess the efficacy of reduced temperature (3 C) as treatment for Atlantic salmon affected by AGD. In vitro freshwater 3 C was at least as effective as freshwater 15 C and the attachment was significantly lower after 2 h in freshwater 3 C than freshwater 15 C. In vivo there was no difference between the fish treated with freshwater 15 C for 2 h or freshwater 3 C. This study showed that despite exposure to low temperature reducing attachment of N. perurans to their substrate in vitro, 15 min cold-water bath treatment was not more effective at reducing AGD in Atlantic salmon than current commercial 2 h freshwater bath. |
format |
Article in Journal/Newspaper |
author |
Hudson, J Adams, M Jantawongsri, K Dempster, T Nowak, BF |
author_facet |
Hudson, J Adams, M Jantawongsri, K Dempster, T Nowak, BF |
author_sort |
Hudson, J |
title |
Evaluation of low temperature and salinity as a treatment of Atlantic salmon against amoebic gill disease |
title_short |
Evaluation of low temperature and salinity as a treatment of Atlantic salmon against amoebic gill disease |
title_full |
Evaluation of low temperature and salinity as a treatment of Atlantic salmon against amoebic gill disease |
title_fullStr |
Evaluation of low temperature and salinity as a treatment of Atlantic salmon against amoebic gill disease |
title_full_unstemmed |
Evaluation of low temperature and salinity as a treatment of Atlantic salmon against amoebic gill disease |
title_sort |
evaluation of low temperature and salinity as a treatment of atlantic salmon against amoebic gill disease |
publisher |
MDPIAG |
publishDate |
2022 |
url |
https://doi.org/10.3390/microorganisms10020202 http://ecite.utas.edu.au/148714 |
genre |
Atlantic salmon |
genre_facet |
Atlantic salmon |
op_relation |
http://ecite.utas.edu.au/148714/1/148714 - Evaluation of low temperature and salinity as a treatment of Atlantic.pdf http://dx.doi.org/10.3390/microorganisms10020202 Hudson, J and Adams, M and Jantawongsri, K and Dempster, T and Nowak, BF, Evaluation of low temperature and salinity as a treatment of Atlantic salmon against amoebic gill disease, Microorganisms, 10, (2) Article 202. ISSN 2076-2607 (2022) [Refereed Article] http://ecite.utas.edu.au/148714 |
op_doi |
https://doi.org/10.3390/microorganisms10020202 |
container_title |
Microorganisms |
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10 |
container_issue |
2 |
container_start_page |
202 |
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1766360388259020800 |