Evaluation of large‐scale marking methods in farmed salmonids for tracing purposes: Impact on fish welfare
Abstract Escaped farmed Atlantic salmon ( Salmo salar ) is considered a threat to wild salmon. In order to take action to reduce the impact of escapees, methods to distinguish escapees from wild fish and to trace them back to their origin are in demand. This paper gives an overview of available meth...
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crwiley:10.1111/raq.12342 2024-09-15T17:56:27+00:00 Evaluation of large‐scale marking methods in farmed salmonids for tracing purposes: Impact on fish welfare Uglem, Ingebrigt Kristiansen, Tore S. Mejdell, Cecilie M. Basic, Dean Mortensen, Stein 2019 http://dx.doi.org/10.1111/raq.12342 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fraq.12342 https://onlinelibrary.wiley.com/doi/pdf/10.1111/raq.12342 https://onlinelibrary.wiley.com/doi/full-xml/10.1111/raq.12342 en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor Reviews in Aquaculture volume 12, issue 2, page 600-625 ISSN 1753-5123 1753-5131 journal-article 2019 crwiley https://doi.org/10.1111/raq.12342 2024-08-09T04:26:21Z Abstract Escaped farmed Atlantic salmon ( Salmo salar ) is considered a threat to wild salmon. In order to take action to reduce the impact of escapees, methods to distinguish escapees from wild fish and to trace them back to their origin are in demand. This paper gives an overview of available methods and discusses the impact on fish welfare, both in the short‐ and long‐term. Adipose fin clipping, freeze branding, different external and internal tags, as well as natural and chemical marks are considered. All marking procedures that involve handling of fish have an impact on fish welfare. Spraying with pigments and most externally attached tags significantly reduce the welfare, both on short‐term and long‐term perspectives. Although the use of natural or chemical marks, like exposure to stable isotopes via egg immersion or vaccination, involves no or no extra handling, subsequent analysis may require killing the fish after catch. Large‐scale marking with implanted or external tags could represent higher risks of human errors and reduced fish welfare, as opposed to small‐scale marking. In general, the knowledge about effects of marking on fish welfare is limited for most of the available methods, in particular regarding other effects than mortality and growth reductions. Article in Journal/Newspaper Atlantic salmon Salmo salar Wiley Online Library Reviews in Aquaculture 12 2 600 625 |
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Wiley Online Library |
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English |
description |
Abstract Escaped farmed Atlantic salmon ( Salmo salar ) is considered a threat to wild salmon. In order to take action to reduce the impact of escapees, methods to distinguish escapees from wild fish and to trace them back to their origin are in demand. This paper gives an overview of available methods and discusses the impact on fish welfare, both in the short‐ and long‐term. Adipose fin clipping, freeze branding, different external and internal tags, as well as natural and chemical marks are considered. All marking procedures that involve handling of fish have an impact on fish welfare. Spraying with pigments and most externally attached tags significantly reduce the welfare, both on short‐term and long‐term perspectives. Although the use of natural or chemical marks, like exposure to stable isotopes via egg immersion or vaccination, involves no or no extra handling, subsequent analysis may require killing the fish after catch. Large‐scale marking with implanted or external tags could represent higher risks of human errors and reduced fish welfare, as opposed to small‐scale marking. In general, the knowledge about effects of marking on fish welfare is limited for most of the available methods, in particular regarding other effects than mortality and growth reductions. |
format |
Article in Journal/Newspaper |
author |
Uglem, Ingebrigt Kristiansen, Tore S. Mejdell, Cecilie M. Basic, Dean Mortensen, Stein |
spellingShingle |
Uglem, Ingebrigt Kristiansen, Tore S. Mejdell, Cecilie M. Basic, Dean Mortensen, Stein Evaluation of large‐scale marking methods in farmed salmonids for tracing purposes: Impact on fish welfare |
author_facet |
Uglem, Ingebrigt Kristiansen, Tore S. Mejdell, Cecilie M. Basic, Dean Mortensen, Stein |
author_sort |
Uglem, Ingebrigt |
title |
Evaluation of large‐scale marking methods in farmed salmonids for tracing purposes: Impact on fish welfare |
title_short |
Evaluation of large‐scale marking methods in farmed salmonids for tracing purposes: Impact on fish welfare |
title_full |
Evaluation of large‐scale marking methods in farmed salmonids for tracing purposes: Impact on fish welfare |
title_fullStr |
Evaluation of large‐scale marking methods in farmed salmonids for tracing purposes: Impact on fish welfare |
title_full_unstemmed |
Evaluation of large‐scale marking methods in farmed salmonids for tracing purposes: Impact on fish welfare |
title_sort |
evaluation of large‐scale marking methods in farmed salmonids for tracing purposes: impact on fish welfare |
publisher |
Wiley |
publishDate |
2019 |
url |
http://dx.doi.org/10.1111/raq.12342 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fraq.12342 https://onlinelibrary.wiley.com/doi/pdf/10.1111/raq.12342 https://onlinelibrary.wiley.com/doi/full-xml/10.1111/raq.12342 |
genre |
Atlantic salmon Salmo salar |
genre_facet |
Atlantic salmon Salmo salar |
op_source |
Reviews in Aquaculture volume 12, issue 2, page 600-625 ISSN 1753-5123 1753-5131 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1111/raq.12342 |
container_title |
Reviews in Aquaculture |
container_volume |
12 |
container_issue |
2 |
container_start_page |
600 |
op_container_end_page |
625 |
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1810432658518310912 |