The external phenotype-skeleton link in post-hatch farmed Chinook salmon (Oncorhynchus tshawytscha)
Skeletal deformities in farmed fish are a recurrent problem. External malformations are easily recognized, but there is little information on how external malformations relate to malformations of the axial skeleton: the external phenotype–skeleton link. Here, this link is studied in post-hatch to fi...
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ftunivgent:oai:archive.ugent.be:8594223 2023-06-11T04:10:20+02:00 The external phenotype-skeleton link in post-hatch farmed Chinook salmon (Oncorhynchus tshawytscha) De Clercq, Adelbert Perrott, MR Davie, PS Preece, MA Huysseune, Ann Witten, Paul Eckhard 2018 application/pdf https://biblio.ugent.be/publication/8594223 http://hdl.handle.net/1854/LU-8594223 https://doi.org/10.1111/jfd.12753 https://biblio.ugent.be/publication/8594223/file/8594228 eng eng https://biblio.ugent.be/publication/8594223 http://hdl.handle.net/1854/LU-8594223 http://dx.doi.org/10.1111/jfd.12753 https://biblio.ugent.be/publication/8594223/file/8594228 No license (in copyright) info:eu-repo/semantics/restrictedAccess JOURNAL OF FISH DISEASES ISSN: 0140-7775 Biology and Life Sciences Atlantic salmon early diagnosis skeleton temperature zebrafish BASS DICENTRARCHUS-LABRAX EUROPEAN FISH LARVAE EARLY-LIFE STAGES SPARUS-AURATA L VERTEBRAL COLUMN CAUDAL SKELETON EGG SIZE SALAR L EMBRYONIC-DEVELOPMENT journalArticle info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion 2018 ftunivgent https://doi.org/10.1111/jfd.12753 2023-05-10T22:44:22Z Skeletal deformities in farmed fish are a recurrent problem. External malformations are easily recognized, but there is little information on how external malformations relate to malformations of the axial skeleton: the external phenotype–skeleton link. Here, this link is studied in post-hatch to first-feed life stages of Chinook salmon (Oncorhynchus tshawytscha) raised at 4, 8 and 12°C. Specimens were whole-mount- stained for cartilage and bone, and analysed by histology. In all temperature groups, externally normal specimens can have internal malformations, predominantly fused vertebral centra. Conversely, externally malformed fish usually display internal mal- formations. Externally curled animals typically have malformed haemal and neural arches. External malformations affecting a single region (tail malformation and bent neck) relate to malformed notochords and early fusion of fused vertebral centra. The frequencies of internal malformations in both externally normal and malformed specimens show a U-shaped response, with lowest frequency in 8°C specimens. The fused vertebral centra that occur in externally normal specimens represent a malfor- mation that can be contained and could be carried through into harvest size animals. This study highlights the relationship between external phenotype and axial skeleton and may help to set the framework for the early identification of skeletal malfor- mations on fish farms. Article in Journal/Newspaper Atlantic salmon Ghent University Academic Bibliography Journal of Fish Diseases 41 3 511 527 |
institution |
Open Polar |
collection |
Ghent University Academic Bibliography |
op_collection_id |
ftunivgent |
language |
English |
topic |
Biology and Life Sciences Atlantic salmon early diagnosis skeleton temperature zebrafish BASS DICENTRARCHUS-LABRAX EUROPEAN FISH LARVAE EARLY-LIFE STAGES SPARUS-AURATA L VERTEBRAL COLUMN CAUDAL SKELETON EGG SIZE SALAR L EMBRYONIC-DEVELOPMENT |
spellingShingle |
Biology and Life Sciences Atlantic salmon early diagnosis skeleton temperature zebrafish BASS DICENTRARCHUS-LABRAX EUROPEAN FISH LARVAE EARLY-LIFE STAGES SPARUS-AURATA L VERTEBRAL COLUMN CAUDAL SKELETON EGG SIZE SALAR L EMBRYONIC-DEVELOPMENT De Clercq, Adelbert Perrott, MR Davie, PS Preece, MA Huysseune, Ann Witten, Paul Eckhard The external phenotype-skeleton link in post-hatch farmed Chinook salmon (Oncorhynchus tshawytscha) |
topic_facet |
Biology and Life Sciences Atlantic salmon early diagnosis skeleton temperature zebrafish BASS DICENTRARCHUS-LABRAX EUROPEAN FISH LARVAE EARLY-LIFE STAGES SPARUS-AURATA L VERTEBRAL COLUMN CAUDAL SKELETON EGG SIZE SALAR L EMBRYONIC-DEVELOPMENT |
description |
Skeletal deformities in farmed fish are a recurrent problem. External malformations are easily recognized, but there is little information on how external malformations relate to malformations of the axial skeleton: the external phenotype–skeleton link. Here, this link is studied in post-hatch to first-feed life stages of Chinook salmon (Oncorhynchus tshawytscha) raised at 4, 8 and 12°C. Specimens were whole-mount- stained for cartilage and bone, and analysed by histology. In all temperature groups, externally normal specimens can have internal malformations, predominantly fused vertebral centra. Conversely, externally malformed fish usually display internal mal- formations. Externally curled animals typically have malformed haemal and neural arches. External malformations affecting a single region (tail malformation and bent neck) relate to malformed notochords and early fusion of fused vertebral centra. The frequencies of internal malformations in both externally normal and malformed specimens show a U-shaped response, with lowest frequency in 8°C specimens. The fused vertebral centra that occur in externally normal specimens represent a malfor- mation that can be contained and could be carried through into harvest size animals. This study highlights the relationship between external phenotype and axial skeleton and may help to set the framework for the early identification of skeletal malfor- mations on fish farms. |
format |
Article in Journal/Newspaper |
author |
De Clercq, Adelbert Perrott, MR Davie, PS Preece, MA Huysseune, Ann Witten, Paul Eckhard |
author_facet |
De Clercq, Adelbert Perrott, MR Davie, PS Preece, MA Huysseune, Ann Witten, Paul Eckhard |
author_sort |
De Clercq, Adelbert |
title |
The external phenotype-skeleton link in post-hatch farmed Chinook salmon (Oncorhynchus tshawytscha) |
title_short |
The external phenotype-skeleton link in post-hatch farmed Chinook salmon (Oncorhynchus tshawytscha) |
title_full |
The external phenotype-skeleton link in post-hatch farmed Chinook salmon (Oncorhynchus tshawytscha) |
title_fullStr |
The external phenotype-skeleton link in post-hatch farmed Chinook salmon (Oncorhynchus tshawytscha) |
title_full_unstemmed |
The external phenotype-skeleton link in post-hatch farmed Chinook salmon (Oncorhynchus tshawytscha) |
title_sort |
external phenotype-skeleton link in post-hatch farmed chinook salmon (oncorhynchus tshawytscha) |
publishDate |
2018 |
url |
https://biblio.ugent.be/publication/8594223 http://hdl.handle.net/1854/LU-8594223 https://doi.org/10.1111/jfd.12753 https://biblio.ugent.be/publication/8594223/file/8594228 |
genre |
Atlantic salmon |
genre_facet |
Atlantic salmon |
op_source |
JOURNAL OF FISH DISEASES ISSN: 0140-7775 |
op_relation |
https://biblio.ugent.be/publication/8594223 http://hdl.handle.net/1854/LU-8594223 http://dx.doi.org/10.1111/jfd.12753 https://biblio.ugent.be/publication/8594223/file/8594228 |
op_rights |
No license (in copyright) info:eu-repo/semantics/restrictedAccess |
op_doi |
https://doi.org/10.1111/jfd.12753 |
container_title |
Journal of Fish Diseases |
container_volume |
41 |
container_issue |
3 |
container_start_page |
511 |
op_container_end_page |
527 |
_version_ |
1768384687130017792 |