ESTIMATION OF GENETIC PARAMETERS FOR PROXIMATE COMPOSITION TRAITS IN THE MUSCLE OF THE CHINESE MITTEN CRAB, ERIOCHEIR SINENSIS H. MILNE EDWARDS, 1853 (BRACHYURA, VARUNIDAE)
文献类型： 外文期刊
作者： Zhang, Guang-Bao 1 ; Jin, Wu 2 ; Zhang, Dong-Dong 1 ; Zhuang, Zhen-Jun 1 ; Liu, Qing 1 ; Wu, Xu-Gan 1 ;
作者机构： 1.Shanghai Ocean Univ, Key Lab Freshwater Aquat Genet Resources, Minist Agr & Rural Affairs, Shanghai 201306, Peoples R China
2.Chinese Acad Fishery Sci, Freshwater Fisheries Res Ctr, Key Lab Integrated Rice Fish Farming Ecol, Minist Agr & Rural Affairs, Wuxi 214081, Peoples R China
3.Nanjing Agr Univ, Wuxi Fisheries Coll, Wuxi 214128, Peoples R China
4.Shanghai Ocean Univ, Shanghai Engn Res Ctr Aquaculture, Shanghai 201306, Peoples R China
5.Shanghai Ocean Univ, Natl Demonstrat Ctr Expt Fisheries Sci Educ, Shanghai 201306, Peoples R China
关键词： Eriocheir sinensis; muscle tissue; proximate composition; heritability; genetic correlation
期刊名称：CRUSTACEANA （ 影响因子：0.6； 五年影响因子：0.5 ）
ISSN： 0011-216X
年卷期： 2023 年 96 卷 5 期
页码：
收录情况： SCI
摘要： This study examined the heritability and genetic correlations of muscle proximate composition (including crude lipid, protein, moisture, and ash) in the Chinese mitten crab, Eriocheir sinensis. The results showed that the heritability of proximate composition traits, was 0.12 +/- 0.07 for moisture, 0.04 +/- 0.04 for crude fat, 0.07 +/- 0.05 for crude protein and 0.03 +/- 0.04 for ash, respectively. A positive genetic correlation (0.88) was observed between crude lipid and protein, whereas a negative correlation existed between crude lipid and moisture (-0.74), indicating that crude lipid content could be improved by moisture selection indirectly. The muscle-moisture trait has the highest heritability, and is the easiest parameter to measure among the four proximate composition traits. Our results provide fundamental information for the development of improved genetic-programmes utilizing quality traits of E. sinensis.
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