Sexual dimorphism of fast muscle fibre recruitment in farmed Atlantic halibut ( Hippoglossus hippoglossua L.).
Commercially farmed Atlantic halibut (Hippoglossus hippoglossus) were reared at the Aga Marin's facility located on Donna (Norway) under ambient environmental conditions in duplicate 15 x 15 x 8 m netpens (May 2004 to May 2005). Twenty fish were sampled five times over a twelve month production...
Published in: | Aquaculture |
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Language: | English |
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2006
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Online Access: | https://research-portal.st-andrews.ac.uk/en/researchoutput/sexual-dimorphism-of-fast-muscle-fibre-recruitment-in-farmed-atlantic-halibut-hippoglossus-hippoglossua-l(df3e5621-2536-456d-b9ab-42e2389610e4).html https://doi.org/10.1016/j.aquaculture.2006.09.026 http://www.scopus.com/inward/record.url?scp=33751337334&partnerID=8YFLogxK |
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ftunstandrewcris:oai:research-portal.st-andrews.ac.uk:publications/df3e5621-2536-456d-b9ab-42e2389610e4 2024-06-23T07:56:30+00:00 Sexual dimorphism of fast muscle fibre recruitment in farmed Atlantic halibut ( Hippoglossus hippoglossua L.). Hagen, O Solberg, C Johnston, Ian Alistair 2006-12-11 https://research-portal.st-andrews.ac.uk/en/researchoutput/sexual-dimorphism-of-fast-muscle-fibre-recruitment-in-farmed-atlantic-halibut-hippoglossus-hippoglossua-l(df3e5621-2536-456d-b9ab-42e2389610e4).html https://doi.org/10.1016/j.aquaculture.2006.09.026 http://www.scopus.com/inward/record.url?scp=33751337334&partnerID=8YFLogxK eng eng https://research-portal.st-andrews.ac.uk/en/researchoutput/sexual-dimorphism-of-fast-muscle-fibre-recruitment-in-farmed-atlantic-halibut-hippoglossus-hippoglossua-l(df3e5621-2536-456d-b9ab-42e2389610e4).html info:eu-repo/semantics/restrictedAccess Hagen , O , Solberg , C & Johnston , I A 2006 , ' Sexual dimorphism of fast muscle fibre recruitment in farmed Atlantic halibut ( Hippoglossus hippoglossua L.). ' , Aquaculture , vol. 261 , pp. 1222-1229 . https://doi.org/10.1016/j.aquaculture.2006.09.026 Atlantic halibut growth maturation sexual dimorphism muscle fibre number muscle fibre diameter hypertrophic growth SALMO-SALAR L JUVENILE HALIBUT GROWTH-PERFORMANCE SOMATIC GROWTH TEMPERATURE SIZE PHOTOPERIOD METABOLISM BEHAVIOR article 2006 ftunstandrewcris https://doi.org/10.1016/j.aquaculture.2006.09.026 2024-06-13T00:18:44Z Commercially farmed Atlantic halibut (Hippoglossus hippoglossus) were reared at the Aga Marin's facility located on Donna (Norway) under ambient environmental conditions in duplicate 15 x 15 x 8 m netpens (May 2004 to May 2005). Twenty fish were sampled five times over a twelve month production period during which time the average body weight increased from 1.26 to 2.08 kg (n = 100 fish). Body mass, fork length (L-F), and the number and size distributions of fast muscle fibres were determined in male and female fish. All males matured during the autumn whereas no maturation was observed in females. From the point of maturation females had superior growth performance to males and body mass and the total cross-sectional area of muscle were 1.4-fold (P < 0.05) and 1.3-fold higher (P < 0.01) respectively by May 2005. The total number of fast muscle fibres per trunk crosssection at 0.55 L-F was 24.5% higher in females (7.58 x 10(5)) than males (5.80 x 10(5)) prior to sexual maturation. In females, muscle fibre recruitment slowed with short days and low water temperatures (< 6.5 degrees C), but had increased to 1.01 x 10(6) by May 2005 (P < 0.001). In contrast, there was no growth and no increase in muscle fibre number in males following the onset of maturation. The distribution of muscle fibre diameters prior to maturation in males was also significantly different between male and female fish matched for L-F. The results illustrate a sexual dimorphism of muscle fibre recruitment patterns in Atlantic halibut and highlight the adverse affects of sexual maturation in males on muscle growth. (c) 2006 Elsevier B.V All rights reserved. Article in Journal/Newspaper Salmo salar University of St Andrews: Research Portal Norway Aquaculture 261 4 1222 1229 |
institution |
Open Polar |
collection |
University of St Andrews: Research Portal |
op_collection_id |
ftunstandrewcris |
language |
English |
topic |
Atlantic halibut growth maturation sexual dimorphism muscle fibre number muscle fibre diameter hypertrophic growth SALMO-SALAR L JUVENILE HALIBUT GROWTH-PERFORMANCE SOMATIC GROWTH TEMPERATURE SIZE PHOTOPERIOD METABOLISM BEHAVIOR |
spellingShingle |
Atlantic halibut growth maturation sexual dimorphism muscle fibre number muscle fibre diameter hypertrophic growth SALMO-SALAR L JUVENILE HALIBUT GROWTH-PERFORMANCE SOMATIC GROWTH TEMPERATURE SIZE PHOTOPERIOD METABOLISM BEHAVIOR Hagen, O Solberg, C Johnston, Ian Alistair Sexual dimorphism of fast muscle fibre recruitment in farmed Atlantic halibut ( Hippoglossus hippoglossua L.). |
topic_facet |
Atlantic halibut growth maturation sexual dimorphism muscle fibre number muscle fibre diameter hypertrophic growth SALMO-SALAR L JUVENILE HALIBUT GROWTH-PERFORMANCE SOMATIC GROWTH TEMPERATURE SIZE PHOTOPERIOD METABOLISM BEHAVIOR |
description |
Commercially farmed Atlantic halibut (Hippoglossus hippoglossus) were reared at the Aga Marin's facility located on Donna (Norway) under ambient environmental conditions in duplicate 15 x 15 x 8 m netpens (May 2004 to May 2005). Twenty fish were sampled five times over a twelve month production period during which time the average body weight increased from 1.26 to 2.08 kg (n = 100 fish). Body mass, fork length (L-F), and the number and size distributions of fast muscle fibres were determined in male and female fish. All males matured during the autumn whereas no maturation was observed in females. From the point of maturation females had superior growth performance to males and body mass and the total cross-sectional area of muscle were 1.4-fold (P < 0.05) and 1.3-fold higher (P < 0.01) respectively by May 2005. The total number of fast muscle fibres per trunk crosssection at 0.55 L-F was 24.5% higher in females (7.58 x 10(5)) than males (5.80 x 10(5)) prior to sexual maturation. In females, muscle fibre recruitment slowed with short days and low water temperatures (< 6.5 degrees C), but had increased to 1.01 x 10(6) by May 2005 (P < 0.001). In contrast, there was no growth and no increase in muscle fibre number in males following the onset of maturation. The distribution of muscle fibre diameters prior to maturation in males was also significantly different between male and female fish matched for L-F. The results illustrate a sexual dimorphism of muscle fibre recruitment patterns in Atlantic halibut and highlight the adverse affects of sexual maturation in males on muscle growth. (c) 2006 Elsevier B.V All rights reserved. |
format |
Article in Journal/Newspaper |
author |
Hagen, O Solberg, C Johnston, Ian Alistair |
author_facet |
Hagen, O Solberg, C Johnston, Ian Alistair |
author_sort |
Hagen, O |
title |
Sexual dimorphism of fast muscle fibre recruitment in farmed Atlantic halibut ( Hippoglossus hippoglossua L.). |
title_short |
Sexual dimorphism of fast muscle fibre recruitment in farmed Atlantic halibut ( Hippoglossus hippoglossua L.). |
title_full |
Sexual dimorphism of fast muscle fibre recruitment in farmed Atlantic halibut ( Hippoglossus hippoglossua L.). |
title_fullStr |
Sexual dimorphism of fast muscle fibre recruitment in farmed Atlantic halibut ( Hippoglossus hippoglossua L.). |
title_full_unstemmed |
Sexual dimorphism of fast muscle fibre recruitment in farmed Atlantic halibut ( Hippoglossus hippoglossua L.). |
title_sort |
sexual dimorphism of fast muscle fibre recruitment in farmed atlantic halibut ( hippoglossus hippoglossua l.). |
publishDate |
2006 |
url |
https://research-portal.st-andrews.ac.uk/en/researchoutput/sexual-dimorphism-of-fast-muscle-fibre-recruitment-in-farmed-atlantic-halibut-hippoglossus-hippoglossua-l(df3e5621-2536-456d-b9ab-42e2389610e4).html https://doi.org/10.1016/j.aquaculture.2006.09.026 http://www.scopus.com/inward/record.url?scp=33751337334&partnerID=8YFLogxK |
geographic |
Norway |
geographic_facet |
Norway |
genre |
Salmo salar |
genre_facet |
Salmo salar |
op_source |
Hagen , O , Solberg , C & Johnston , I A 2006 , ' Sexual dimorphism of fast muscle fibre recruitment in farmed Atlantic halibut ( Hippoglossus hippoglossua L.). ' , Aquaculture , vol. 261 , pp. 1222-1229 . https://doi.org/10.1016/j.aquaculture.2006.09.026 |
op_relation |
https://research-portal.st-andrews.ac.uk/en/researchoutput/sexual-dimorphism-of-fast-muscle-fibre-recruitment-in-farmed-atlantic-halibut-hippoglossus-hippoglossua-l(df3e5621-2536-456d-b9ab-42e2389610e4).html |
op_rights |
info:eu-repo/semantics/restrictedAccess |
op_doi |
https://doi.org/10.1016/j.aquaculture.2006.09.026 |
container_title |
Aquaculture |
container_volume |
261 |
container_issue |
4 |
container_start_page |
1222 |
op_container_end_page |
1229 |
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1802649621123563520 |