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Comparison of the morphometric dynamics of fast-growing and slow-growing strains of turbot Scophthalmus maximus

Comparison of the morphometric dynamics of fast-growing and slow-growing strains of turbot Scophthalmus maximus

作     者:王新安 马爱军 

作者机构:Yellow Sea Fisheries Research Institute Chinese Academy of Fishery Sciences Key Laboratory of Sustainable Development of Marine Fisheries Ministry of Agriculture Qingdao Key Laboratory for Marine Fish Breeding and Biotechnology 

出 版 物:《Chinese Journal of Oceanology and Limnology》 (中国海洋湖沼学报(英文版))

年 卷 期:2015年第33卷第4期

页      面:890-894页

核心收录:

学科分类:090801[农学-水产养殖] 0908[农学-水产] 09[农学] 0904[农学-植物保护] 090401[农学-植物病理学] 090402[农学-农业昆虫与害虫防治] 

基  金:Supported by the Earmarked Fund for Modern Agro-Industry Technology Research System(No.CARS-50-G01) the National High Technology Research and Development Program of China(863 Program)(No.2012AA10A408-8) 

主  题:Scophthalmus maximus slow-growing strain fast-growing strain morphometric comparison 

摘      要:The dynamics of changes in body shape of fast-growing and slow-growing strains of turbot Scophthalmus maximus, and of the differences in body shape between the two strains, were evaluated from 3 to 27 months of age. The ratios of total length/body length, body width/body length and total length/body width were used as morphometric indices. The two strains exhibited different temporal trends in total length/body length but similar trends in body width/body length and total length/body width. Generally, body width/body length of the two strains increased with time and total length/body width decreased. Thus, the bodies of both fast-growing and slow-growing strains of turbot changed from a narrow to a more rounded shape. However, the ratio total length/body length was generally lower, body width/body length was mostly higher and total length/body width was consistently lower in the fast-growing strain than in the slowgrowing strain. Correlation analysis of the three shape ratios with body weight showed that total length/body length and total length/body width were unsuitable, and that width/body length was suitable, for use as a phenotypic marker for selective breeding of turbot for growth in weight.

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