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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
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.
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- Research Article
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- Copyright © China Agricultural University and Cambridge University Press 2007
Footnotes
First published in Journal of Agricultural Biotechnology 2006, 14(6): 879–883