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

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• 作者：Xin’an Wang ; Aijun Ma
• 关键词：Scophthalmus maximus ; slow ; growing strain ; fast ; growing strain ; morphometric comparison
• 刊名：Chinese Journal of Oceanology and Limnology
• 出版年：2015
• 出版时间：July 2015
• 年：2015
• 卷：33
• 期：4
• 页码：890-894
• 全文大小：383 KB
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• 作者单位：Xin’an Wang (1)
  Aijun Ma (1)
  
  1. 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, Qingdao, 266071, China
  
• 刊物主题：Oceanography;
• 出版者：Springer Berlin Heidelberg
• ISSN：1993-5005

文摘

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 slow-growing 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.