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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
Source PublicationJOURNAL OF SHELLFISH RESEARCH
Volume23Issue:1Pages:215-219
SubtypeArticle
AbstractThe 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.
KeywordGrowth Heritability Sea Urchin Strongylocentrotas Nudus
Indexed BySCI
Language英语
WOS IDWOS:000221403900030
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/33018
Collection实验海洋生物学重点实验室
Affiliation1.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
Recommended Citation
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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