Stress Response System in the Fish Skin—Welfare Measures Revisited

The skin of vertebrates acts as a biological barrier defending the organism against many harmful environmental factors. It is well established that the main stress hormone cortisol, together with antioxidants such as melatonin (Mel) and its biologically active metabolites set up a local stress respo...

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Main Author: Ewa Kulczykowska
Format: Article
Language:English
Published: Frontiers Media S.A. 2019-02-01
Series:Frontiers in Physiology
Subjects:
Online Access:https://www.frontiersin.org/article/10.3389/fphys.2019.00072/full
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author Ewa Kulczykowska
author_facet Ewa Kulczykowska
author_sort Ewa Kulczykowska
collection DOAJ
description The skin of vertebrates acts as a biological barrier defending the organism against many harmful environmental factors. It is well established that the main stress hormone cortisol, together with antioxidants such as melatonin (Mel) and its biologically active metabolites set up a local stress response system in the mammalian skin. Recently, our research group has shown that in fish there are basic conditions for the functioning of a cutaneous stress response system (CSRS) similar to that in mammals, where Mel with its biologically active metabolite AFMK (N1-acetyl-N2-formyl-5-methoxykynuramine) and cortisol act together to protect organism against unfavorable environment. Since aquaculture is making an increasing contribution to the global economy and new laws are demanding people to respect the welfare requirements of animals there has been increasing interest in indicators of fish well-being in aquaculture. This article addresses the problem of on-farm assessment of fish welfare and proposes the CSRS as a new source of information on the welfare status of farmed fish.
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spelling doaj.art-c727bbbbb7ec4414b6812d43993ab3012022-12-22T00:45:41ZengFrontiers Media S.A.Frontiers in Physiology1664-042X2019-02-011010.3389/fphys.2019.00072436622Stress Response System in the Fish Skin—Welfare Measures RevisitedEwa KulczykowskaThe skin of vertebrates acts as a biological barrier defending the organism against many harmful environmental factors. It is well established that the main stress hormone cortisol, together with antioxidants such as melatonin (Mel) and its biologically active metabolites set up a local stress response system in the mammalian skin. Recently, our research group has shown that in fish there are basic conditions for the functioning of a cutaneous stress response system (CSRS) similar to that in mammals, where Mel with its biologically active metabolite AFMK (N1-acetyl-N2-formyl-5-methoxykynuramine) and cortisol act together to protect organism against unfavorable environment. Since aquaculture is making an increasing contribution to the global economy and new laws are demanding people to respect the welfare requirements of animals there has been increasing interest in indicators of fish well-being in aquaculture. This article addresses the problem of on-farm assessment of fish welfare and proposes the CSRS as a new source of information on the welfare status of farmed fish.https://www.frontiersin.org/article/10.3389/fphys.2019.00072/fullfishwelfareskinstressmelatoninmucus
spellingShingle Ewa Kulczykowska
Stress Response System in the Fish Skin—Welfare Measures Revisited
Frontiers in Physiology
fish
welfare
skin
stress
melatonin
mucus
title Stress Response System in the Fish Skin—Welfare Measures Revisited
title_full Stress Response System in the Fish Skin—Welfare Measures Revisited
title_fullStr Stress Response System in the Fish Skin—Welfare Measures Revisited
title_full_unstemmed Stress Response System in the Fish Skin—Welfare Measures Revisited
title_short Stress Response System in the Fish Skin—Welfare Measures Revisited
title_sort stress response system in the fish skin welfare measures revisited
topic fish
welfare
skin
stress
melatonin
mucus
url https://www.frontiersin.org/article/10.3389/fphys.2019.00072/full
work_keys_str_mv AT ewakulczykowska stressresponsesysteminthefishskinwelfaremeasuresrevisited