Inbreeding among cultivated Atlantic cod (Gadus morhua) and its effects on offspring ...
No abstracts are to be cited without prior reference to the author.Farmed Atlantic cod (Gadus morhua) spawn in cages, releasing eggs into the environment. With potentially thousands of siblings in a cage, the likelihood of inbreeding during spawning is high. Inbreeding may produce poor‐quality offsp...
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ASC 2011 - Theme session H
2024
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Online Access: | https://dx.doi.org/10.17895/ices.pub.25039793 https://ices-library.figshare.com/articles/conference_contribution/Inbreeding_among_cultivated_Atlantic_cod_Gadus_morhua_and_its_effects_on_offspring/25039793 |
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ftdatacite:10.17895/ices.pub.25039793 2024-02-27T08:38:33+00:00 Inbreeding among cultivated Atlantic cod (Gadus morhua) and its effects on offspring ... Puckrin, Olivia A. Trippel, Edward A. Purchase, Craig F. Fleming, Ian A. 2024 https://dx.doi.org/10.17895/ices.pub.25039793 https://ices-library.figshare.com/articles/conference_contribution/Inbreeding_among_cultivated_Atlantic_cod_Gadus_morhua_and_its_effects_on_offspring/25039793 unknown ASC 2011 - Theme session H https://ices-library.figshare.com/ICES-ASC-2011/groups ICES Custom Licence https://www.ices.dk/Pages/library_policies.aspx Fisheries and aquaculture CreativeWork Conference contribution Other article 2024 ftdatacite https://doi.org/10.17895/ices.pub.25039793 2024-02-01T16:25:46Z No abstracts are to be cited without prior reference to the author.Farmed Atlantic cod (Gadus morhua) spawn in cages, releasing eggs into the environment. With potentially thousands of siblings in a cage, the likelihood of inbreeding during spawning is high. Inbreeding may produce poor‐quality offspring which could mature and interbreed with wild cod, possibly reducing the fitness of farmed–wild cod offspring. The goal of this project was to determine if inbreeding occurs among farmed cod, and if inbred offspring have reduced survival or are of poorer quality. Embryos collected from spawning events in tanks of sister–brotherunrelated male trios were analysed using microsatellite DNA analysis to determine parentage. Single and multiple paternity was observed across batches. In two tanks, the brother had greater spawning success than the unrelated male, however, females generally favoured unrelated males as spawning partners (p < 0.001). Offspring mortality, deformities, size, and hatching success were ... Conference Object atlantic cod Gadus morhua DataCite Metadata Store (German National Library of Science and Technology) |
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collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
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language |
unknown |
topic |
Fisheries and aquaculture |
spellingShingle |
Fisheries and aquaculture Puckrin, Olivia A. Trippel, Edward A. Purchase, Craig F. Fleming, Ian A. Inbreeding among cultivated Atlantic cod (Gadus morhua) and its effects on offspring ... |
topic_facet |
Fisheries and aquaculture |
description |
No abstracts are to be cited without prior reference to the author.Farmed Atlantic cod (Gadus morhua) spawn in cages, releasing eggs into the environment. With potentially thousands of siblings in a cage, the likelihood of inbreeding during spawning is high. Inbreeding may produce poor‐quality offspring which could mature and interbreed with wild cod, possibly reducing the fitness of farmed–wild cod offspring. The goal of this project was to determine if inbreeding occurs among farmed cod, and if inbred offspring have reduced survival or are of poorer quality. Embryos collected from spawning events in tanks of sister–brotherunrelated male trios were analysed using microsatellite DNA analysis to determine parentage. Single and multiple paternity was observed across batches. In two tanks, the brother had greater spawning success than the unrelated male, however, females generally favoured unrelated males as spawning partners (p < 0.001). Offspring mortality, deformities, size, and hatching success were ... |
format |
Conference Object |
author |
Puckrin, Olivia A. Trippel, Edward A. Purchase, Craig F. Fleming, Ian A. |
author_facet |
Puckrin, Olivia A. Trippel, Edward A. Purchase, Craig F. Fleming, Ian A. |
author_sort |
Puckrin, Olivia A. |
title |
Inbreeding among cultivated Atlantic cod (Gadus morhua) and its effects on offspring ... |
title_short |
Inbreeding among cultivated Atlantic cod (Gadus morhua) and its effects on offspring ... |
title_full |
Inbreeding among cultivated Atlantic cod (Gadus morhua) and its effects on offspring ... |
title_fullStr |
Inbreeding among cultivated Atlantic cod (Gadus morhua) and its effects on offspring ... |
title_full_unstemmed |
Inbreeding among cultivated Atlantic cod (Gadus morhua) and its effects on offspring ... |
title_sort |
inbreeding among cultivated atlantic cod (gadus morhua) and its effects on offspring ... |
publisher |
ASC 2011 - Theme session H |
publishDate |
2024 |
url |
https://dx.doi.org/10.17895/ices.pub.25039793 https://ices-library.figshare.com/articles/conference_contribution/Inbreeding_among_cultivated_Atlantic_cod_Gadus_morhua_and_its_effects_on_offspring/25039793 |
genre |
atlantic cod Gadus morhua |
genre_facet |
atlantic cod Gadus morhua |
op_relation |
https://ices-library.figshare.com/ICES-ASC-2011/groups |
op_rights |
ICES Custom Licence https://www.ices.dk/Pages/library_policies.aspx |
op_doi |
https://doi.org/10.17895/ices.pub.25039793 |
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1792045468349366272 |