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Study on heritability of growth in the juvenile sea urchin, Strongylocentrotus nudus
Liu, XL; Chang, YQ; Xiang, JH; Jun, D; Cao, XB
2004-04-01
发表期刊JOURNAL OF SHELLFISH RESEARCH
卷号23期号:1页码:215-219
文章类型Article
摘要The heritability of growth of juvenile Strongylocentrotus nudus was analyzed using quantitative genetic methods. Twenty-one half-sib groups and 60-63 full-sib groups of juveniles were obtained by artificial fertilization of 3-5 females by single males based on a nested design. The body weight (g) and test diameter (cm) of the young were measured 3 and 5 mo 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 nonadditive genetic effects that Could not be differentiated with the available data. Estimates of heritability in the narrow sense calculated front the additive genetic component using a paternal half-sib correlation analysis ranged from 0.2167 to 0.4565 for weight and 0.2059 to 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Growth Heritability Sea Urchin Strongylocentrotas Nudus
收录类别SCI
语种英语
WOS记录号WOS:000221403900030
引用统计
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/33018
专题实验海洋生物学重点实验室
作者单位1.CAS, Expt Marine Biol Lab, Inst Oceanol, Qingdao 266071, Peoples R China
2.Dalian Fisheries Univ, Key Lab Mariculture & Biotechnol, Minist Agr, Dalian 116023, Peoples R China
3.NW Sci Tech Univ Agr & Forestry, Coll Anim Sci & Technol, Yangling, Shaanxi, Peoples R China
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GB/T 7714
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(1):215-219.
APA Liu, XL,Chang, YQ,Xiang, JH,Jun, D,&Cao, XB.(2004).Study on heritability of growth in the juvenile sea urchin, Strongylocentrotus nudus.JOURNAL OF SHELLFISH RESEARCH,23(1),215-219.
MLA Liu, XL,et al."Study on heritability of growth in the juvenile sea urchin, Strongylocentrotus nudus".JOURNAL OF SHELLFISH RESEARCH 23.1(2004):215-219.
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