Coping with a changing environment: The effects of early life stress
Ongoing rapid domestication of Atlantic salmon implies that individuals are subjected to evolutionarily novel stressors encountered under conditions of artificial rearing, requiring new levels and directions of flexibility in physiological and behavioural coping mechanisms. Phenotypic plasticity to...
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2016
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ftoslouniv:oai:www.duo.uio.no:10852/53523 2023-05-15T15:32:23+02:00 Coping with a changing environment: The effects of early life stress Vindas, Marco Antonio Madaro, Angelico Fraser, Thomas Höglund, Erik Olsen, Rolf Erik Øverli, Øyvind Kristiansen, Tore S 2016-11-24T12:08:38Z http://hdl.handle.net/10852/53523 http://urn.nb.no/URN:NBN:no-56715 https://doi.org/10.1098/rsos.160382 EN eng The Royal Society http://urn.nb.no/URN:NBN:no-56715 Vindas, Marco Antonio Madaro, Angelico Fraser, Thomas Höglund, Erik Olsen, Rolf Erik Øverli, Øyvind Kristiansen, Tore S . Coping with a changing environment: The effects of early life stress. Royal Society Open Science. 2016, 3:160382(10) http://hdl.handle.net/10852/53523 1403808 info:ofi/fmt:kev:mtx:ctx&ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Royal Society Open Science&rft.volume=3:160382&rft.spage=&rft.date=2016 Royal Society Open Science 3 13 http://dx.doi.org/10.1098/rsos.160382 URN:NBN:no-56715 Fulltext https://www.duo.uio.no/bitstream/handle/10852/53523/1/RoyalSocietyOpenScience160382.full.pdf Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/ CC-BY 2054-5703 Journal article Tidsskriftartikkel Peer reviewed PublishedVersion 2016 ftoslouniv https://doi.org/10.1098/rsos.160382 2020-06-21T08:50:12Z Ongoing rapid domestication of Atlantic salmon implies that individuals are subjected to evolutionarily novel stressors encountered under conditions of artificial rearing, requiring new levels and directions of flexibility in physiological and behavioural coping mechanisms. Phenotypic plasticity to environmental changes is particularly evident at early life stages. We investigated the performance of salmon, previously subjected to an unpredictable chronic stress (UCS) treatment at an early age (10 month old parr), over several months and life stages. The UCS fish showed overall higher specific growth rates compared with unstressed controls after smoltification, a particularly challenging life stage, and after seawater transfer. Furthermore, subjecting fish to acute stress at the end of the experiment, we found that UCS groups had an overall lower hypothalamic catecholaminergic and brain stem serotonergic response to stress compared with control groups. In addition, serotonergic activity was negatively correlated with final growth rates, which implies that serotonin responsive individuals have growth disadvantages. Altogether, our results may imply that a subdued monoaminergic response in stressful farming environments may be beneficial, because in such situations individuals may be able to reallocate energy from stress responses into other life processes, such as growth. Article in Journal/Newspaper Atlantic salmon Universitet i Oslo: Digitale utgivelser ved UiO (DUO) Royal Society Open Science 3 10 160382 |
institution |
Open Polar |
collection |
Universitet i Oslo: Digitale utgivelser ved UiO (DUO) |
op_collection_id |
ftoslouniv |
language |
English |
description |
Ongoing rapid domestication of Atlantic salmon implies that individuals are subjected to evolutionarily novel stressors encountered under conditions of artificial rearing, requiring new levels and directions of flexibility in physiological and behavioural coping mechanisms. Phenotypic plasticity to environmental changes is particularly evident at early life stages. We investigated the performance of salmon, previously subjected to an unpredictable chronic stress (UCS) treatment at an early age (10 month old parr), over several months and life stages. The UCS fish showed overall higher specific growth rates compared with unstressed controls after smoltification, a particularly challenging life stage, and after seawater transfer. Furthermore, subjecting fish to acute stress at the end of the experiment, we found that UCS groups had an overall lower hypothalamic catecholaminergic and brain stem serotonergic response to stress compared with control groups. In addition, serotonergic activity was negatively correlated with final growth rates, which implies that serotonin responsive individuals have growth disadvantages. Altogether, our results may imply that a subdued monoaminergic response in stressful farming environments may be beneficial, because in such situations individuals may be able to reallocate energy from stress responses into other life processes, such as growth. |
format |
Article in Journal/Newspaper |
author |
Vindas, Marco Antonio Madaro, Angelico Fraser, Thomas Höglund, Erik Olsen, Rolf Erik Øverli, Øyvind Kristiansen, Tore S |
spellingShingle |
Vindas, Marco Antonio Madaro, Angelico Fraser, Thomas Höglund, Erik Olsen, Rolf Erik Øverli, Øyvind Kristiansen, Tore S Coping with a changing environment: The effects of early life stress |
author_facet |
Vindas, Marco Antonio Madaro, Angelico Fraser, Thomas Höglund, Erik Olsen, Rolf Erik Øverli, Øyvind Kristiansen, Tore S |
author_sort |
Vindas, Marco Antonio |
title |
Coping with a changing environment: The effects of early life stress |
title_short |
Coping with a changing environment: The effects of early life stress |
title_full |
Coping with a changing environment: The effects of early life stress |
title_fullStr |
Coping with a changing environment: The effects of early life stress |
title_full_unstemmed |
Coping with a changing environment: The effects of early life stress |
title_sort |
coping with a changing environment: the effects of early life stress |
publisher |
The Royal Society |
publishDate |
2016 |
url |
http://hdl.handle.net/10852/53523 http://urn.nb.no/URN:NBN:no-56715 https://doi.org/10.1098/rsos.160382 |
genre |
Atlantic salmon |
genre_facet |
Atlantic salmon |
op_source |
2054-5703 |
op_relation |
http://urn.nb.no/URN:NBN:no-56715 Vindas, Marco Antonio Madaro, Angelico Fraser, Thomas Höglund, Erik Olsen, Rolf Erik Øverli, Øyvind Kristiansen, Tore S . Coping with a changing environment: The effects of early life stress. Royal Society Open Science. 2016, 3:160382(10) http://hdl.handle.net/10852/53523 1403808 info:ofi/fmt:kev:mtx:ctx&ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Royal Society Open Science&rft.volume=3:160382&rft.spage=&rft.date=2016 Royal Society Open Science 3 13 http://dx.doi.org/10.1098/rsos.160382 URN:NBN:no-56715 Fulltext https://www.duo.uio.no/bitstream/handle/10852/53523/1/RoyalSocietyOpenScience160382.full.pdf |
op_rights |
Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/ |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.1098/rsos.160382 |
container_title |
Royal Society Open Science |
container_volume |
3 |
container_issue |
10 |
container_start_page |
160382 |
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1766362887399407616 |