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Study on heritability of growth in the juvenile sea urchin Strongylocentrotus nudus
Liu, XL; Chang, YQ; Xiang, JH; Ding, J; Cao, XB
2004-08-01
发表期刊JOURNAL OF SHELLFISH RESEARCH
卷号23期号:2页码:593-597
文章类型Article
摘要The heritability of growth of juvenile Strongylocentrotus nudes was analyzed using quantitative genetic methods. Twenty-one half-sib groups and 60 to 63 full-sib groups of juveniles were obtained by artificial fertilization of three to five females by single males based on a nested design. The body weight (g) and test diameter (cm) of the young was measured 3 and 5 months after metamorphosis. Maternal component estimates are significantly greater than paternal component estimates for both weight and diameter at both ages. Greater maternal components suggest large non-additive genetic effects that could not be differentiated with the available data. Estimates of heritability in the narrow sense calculated from the additive genetic component using a paternal half-sib correlation analysis ranged from 0.2167-0.4565 for weight and 0.2059-0.4998 for diameter. The results indicate significant maternal effects. The strength of the nested design and the paternal half-sib correlation analysis used in this study make the estimate the most precise and unbiased reported to date.
关键词Sea Urchin Strongylocentrotus Nudes Growth Heritability
收录类别SCI
语种英语
WOS记录号WOS:000223925100034
引用统计
被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/32506
专题实验海洋生物学重点实验室
作者单位1.CAS, Inst Oceanol, Expt Marine Biol Lab, Qingdao 266071, Peoples R China
2.Dalian Fisheries Univ, Minist Agr, Key Lab Mariculture & Biotechnol, Dalian 116023, Peoples R China
3.NW Sci Tech Univ Agr & Forestry, Coll Anim Sci & Technol, Shaanxi 712100, Peoples R China
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Liu, XL,Chang, YQ,Xiang, JH,et al. Study on heritability of growth in the juvenile sea urchin Strongylocentrotus nudus[J]. JOURNAL OF SHELLFISH RESEARCH,2004,23(2):593-597.
APA Liu, XL,Chang, YQ,Xiang, JH,Ding, J,&Cao, XB.(2004).Study on heritability of growth in the juvenile sea urchin Strongylocentrotus nudus.JOURNAL OF SHELLFISH RESEARCH,23(2),593-597.
MLA Liu, XL,et al."Study on heritability of growth in the juvenile sea urchin Strongylocentrotus nudus".JOURNAL OF SHELLFISH RESEARCH 23.2(2004):593-597.
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