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Comparison of percentages of tissues and nutrients between parents and F3 offspring of Oreochromis aurea×Siniperca chuatsi

Published online by Cambridge University Press:  02 August 2007

Wang Jin-Long ,
Yang Hong  and
Wu Ting-Ting
Wang Jin-Long
Affiliation:
Wuxi Fisheries College, Nanjing Agriculture University, Wuxi 214081, China Ministry of Agriculture Key Open Laboratory for Genetic Breeding of Aquatic Animals and Aquaculture Biology, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, China
Yang Hong
Affiliation:
Wuxi Fisheries College, Nanjing Agriculture University, Wuxi 214081, China Ministry of Agriculture Key Open Laboratory for Genetic Breeding of Aquatic Animals and Aquaculture Biology, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, China
Wu Ting-Ting*
Affiliation:
Ministry of Agriculture Key Open Laboratory for Genetic Breeding of Aquatic Animals and Aquaculture Biology, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, China
*
*Corresponding author. E-mail: wutt@ffrc.cn
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Abstract

This research focused on the effect of distant hybridization to improve the flesh quality of offspring from Oreochromis aurea (♀)×Siniperca chuatsi (♂). The proportions of different tissues and percentages of nutrient components were compared between fish of the F3 generation and O. aurea and S. chuatsi. The results showed that the proportion of flesh in F3 hybrids was significantly lower than that in O. aurea. Crude lipid content was lower and crude protein content significantly higher in the F3 generation. Concentrations of four kinds of amino acids important for flavour (DAA) were higher in the F3 generation than in O. aurea, and the total DAA was significantly higher. Furthermore, the other amino acid contents and essential amino acid index of the F3 generation were intermediate between O. aurea and S. chuatsi. We conclude that some effects of hybridization have induced flesh quality improvement.

Keywords

F3 of Oreochromis aurea×Siniperca chuatsi; O. aureaflesh percentagenutrient components
Type
Research Article
Information
Chinese Journal of Agricultural Biotechnology , Volume 4 , Issue 2 , August 2007 , pp. 121 - 125
Copyright
Copyright © China Agricultural University and Cambridge University Press 2007

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Footnotes

First published in Journal of Agricultural Biotechnology 2006, 14(6): 879–883

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