The prevalence of vertebral deformities is increased with higher egg incubation temperatures and triploidy in Atlantic salmon Salmo salar L.
Abstract Suboptimal egg incubation temperature is a risk factor for the development of skeletal deformities in teleosts. Triplicate diploid and triploid Atlantic salmon, Salmo salar L., egg batches were incubated at 6, 8 and 10 °C up until first feeding, whereupon fish were reared on a natural tempe...
Published in: | Journal of Fish Diseases |
---|---|
Main Authors: | , , , |
Other Authors: | , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
Wiley
2013
|
Subjects: | |
Online Access: | http://dx.doi.org/10.1111/jfd.12206 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fjfd.12206 https://onlinelibrary.wiley.com/doi/pdf/10.1111/jfd.12206 |
id |
crwiley:10.1111/jfd.12206 |
---|---|
record_format |
openpolar |
spelling |
crwiley:10.1111/jfd.12206 2024-09-09T19:30:30+00:00 The prevalence of vertebral deformities is increased with higher egg incubation temperatures and triploidy in Atlantic salmon Salmo salar L. Fraser, T W K Hansen, T Fleming, M S Fjelldal, P G Norwegian School of Veterinary Science Institute of Marine Research 2013 http://dx.doi.org/10.1111/jfd.12206 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fjfd.12206 https://onlinelibrary.wiley.com/doi/pdf/10.1111/jfd.12206 en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor Journal of Fish Diseases volume 38, issue 1, page 75-89 ISSN 0140-7775 1365-2761 journal-article 2013 crwiley https://doi.org/10.1111/jfd.12206 2024-08-20T04:15:01Z Abstract Suboptimal egg incubation temperature is a risk factor for the development of skeletal deformities in teleosts. Triplicate diploid and triploid Atlantic salmon, Salmo salar L., egg batches were incubated at 6, 8 and 10 °C up until first feeding, whereupon fish were reared on a natural temperature before examination for externally visible skeletal deformities (jaw and spine) and radiographed for vertebral deformities and morphology at the parr stage. Increasing incubation temperatures and triploidy increased the number of fish showing one or more deformed vertebrae. Triploids had significantly higher mean vertebrae cranio‐caudal length (L) and dorsal‐ventral height (H) ratio at 6 and 10 °C than diploids, but triploidy had no effect on mean vertebrae centra area. Triploids demonstrated an increase in lower jaw deformities with increased incubation temperature, whereas jaw deformities were rare in diploids. Fish incubated at 10 °C had a significantly lower mean vertebral number than fish incubated at 6 °C, and triploids had lower mean vertebral numbers than diploids. Diploid fish with 58 vertebrae had a significantly higher mean vertebral centra area than fish with 59 vertebrae, but vertebral number did not affect the mean vertebral L/H ratio. The results are discussed with respect to the welfare and production of farmed salmonids. Article in Journal/Newspaper Atlantic salmon Salmo salar Wiley Online Library Journal of Fish Diseases 38 1 75 89 |
institution |
Open Polar |
collection |
Wiley Online Library |
op_collection_id |
crwiley |
language |
English |
description |
Abstract Suboptimal egg incubation temperature is a risk factor for the development of skeletal deformities in teleosts. Triplicate diploid and triploid Atlantic salmon, Salmo salar L., egg batches were incubated at 6, 8 and 10 °C up until first feeding, whereupon fish were reared on a natural temperature before examination for externally visible skeletal deformities (jaw and spine) and radiographed for vertebral deformities and morphology at the parr stage. Increasing incubation temperatures and triploidy increased the number of fish showing one or more deformed vertebrae. Triploids had significantly higher mean vertebrae cranio‐caudal length (L) and dorsal‐ventral height (H) ratio at 6 and 10 °C than diploids, but triploidy had no effect on mean vertebrae centra area. Triploids demonstrated an increase in lower jaw deformities with increased incubation temperature, whereas jaw deformities were rare in diploids. Fish incubated at 10 °C had a significantly lower mean vertebral number than fish incubated at 6 °C, and triploids had lower mean vertebral numbers than diploids. Diploid fish with 58 vertebrae had a significantly higher mean vertebral centra area than fish with 59 vertebrae, but vertebral number did not affect the mean vertebral L/H ratio. The results are discussed with respect to the welfare and production of farmed salmonids. |
author2 |
Norwegian School of Veterinary Science Institute of Marine Research |
format |
Article in Journal/Newspaper |
author |
Fraser, T W K Hansen, T Fleming, M S Fjelldal, P G |
spellingShingle |
Fraser, T W K Hansen, T Fleming, M S Fjelldal, P G The prevalence of vertebral deformities is increased with higher egg incubation temperatures and triploidy in Atlantic salmon Salmo salar L. |
author_facet |
Fraser, T W K Hansen, T Fleming, M S Fjelldal, P G |
author_sort |
Fraser, T W K |
title |
The prevalence of vertebral deformities is increased with higher egg incubation temperatures and triploidy in Atlantic salmon Salmo salar L. |
title_short |
The prevalence of vertebral deformities is increased with higher egg incubation temperatures and triploidy in Atlantic salmon Salmo salar L. |
title_full |
The prevalence of vertebral deformities is increased with higher egg incubation temperatures and triploidy in Atlantic salmon Salmo salar L. |
title_fullStr |
The prevalence of vertebral deformities is increased with higher egg incubation temperatures and triploidy in Atlantic salmon Salmo salar L. |
title_full_unstemmed |
The prevalence of vertebral deformities is increased with higher egg incubation temperatures and triploidy in Atlantic salmon Salmo salar L. |
title_sort |
prevalence of vertebral deformities is increased with higher egg incubation temperatures and triploidy in atlantic salmon salmo salar l. |
publisher |
Wiley |
publishDate |
2013 |
url |
http://dx.doi.org/10.1111/jfd.12206 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fjfd.12206 https://onlinelibrary.wiley.com/doi/pdf/10.1111/jfd.12206 |
genre |
Atlantic salmon Salmo salar |
genre_facet |
Atlantic salmon Salmo salar |
op_source |
Journal of Fish Diseases volume 38, issue 1, page 75-89 ISSN 0140-7775 1365-2761 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1111/jfd.12206 |
container_title |
Journal of Fish Diseases |
container_volume |
38 |
container_issue |
1 |
container_start_page |
75 |
op_container_end_page |
89 |
_version_ |
1809899480282038272 |