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Heritability estimates for nutritional quality-related traits of the Pacific oyster, Crassostrea gigas
Liu, Sheng1,2,3,4; Li, Li1,4,5; Zhang, Shoudu6; Wang, Weijun7; Yang, Jianmin7; Zhang, Guofan1,2,4
2019-08-01
Source PublicationJOURNAL OF THE WORLD AQUACULTURE SOCIETY
ISSN0893-8849
Volume50Issue:4Pages:738-748
Corresponding AuthorLi, Li(lili@qdio.ac.cn) ; Zhang, Guofan(gzhang@qdio.ac.cn)
AbstractPacific oysters, Crassostrea gigas, are the most abundantly harvested shellfish in the world and are ecologically significant. The content of nutrients, including protein, glycogen, lipid, zinc (Zn), and selenium (Se), is important for oyster meat quality, but heritability estimates of such traits have rarely been reported. In this study, 64 full-sib families were generated using a nested mating design. Finally, 18 full-sib families, of which there were nine half-sib families, with each containing 2 full-sib families, were sampled for heritability estimates. The narrow-sense heritabilities of glycogen, protein, lipid, Zn, and Se contents were 0.29 +/- 0.02, 0.38 +/- 0.02, 0.58 +/- 0.08, 0.02 +/- 0.02, and 0, respectively. Negative genetic correlations existed between both glycogen and protein content (-0.95 +/- 0.004) and between lipid and protein content (-0.59 +/- 0.05), whereas a positive correlation was observed between lipid and glycogen content (0.16 +/- 0.06). Weak genetic and phenotypical correlations (r = 0-0.2) were observed between shell height and nutritional quality traits. These data demonstrated that glycogen, protein, and lipid content can be chosen in a selective breeding program, but glycogen and lipids cannot be selected together with protein. Furthermore, performing indirect selective breeding for quality traits by selecting traits related to growth is impossible. This study provides information for the development of breeding strategies for oyster quality traits.
Keywordgenetic parameter heritability nutritional quality traits oyster selective breeding strategies
DOI10.1111/jwas.12588
Indexed BySCI
Language英语
WOS Research AreaFisheries
WOS SubjectFisheries
WOS IDWOS:000480586200004
PublisherWILEY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/162361
Collection实验海洋生物学重点实验室
Corresponding AuthorLi, Li; Zhang, Guofan
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Expt Marine Biol, Qingdao 266071, Shandong, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Biol & Biotechnol, Qingdao, Shandong, Peoples R China
3.Univ Chinese Acad Sci, Coll Earth Sci, Beijing, Peoples R China
4.Chinese Acad Sci, Inst Oceanol, Natl & Local Joint Engn Lab Ecol Mariculture, Qingdao, Shandong, Peoples R China
5.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Fisheries & Aquaculture, Qingdao, Shandong, Peoples R China
6.Natl Oceanog Ctr, Dept Technol Dev, Qingdao, Shandong, Peoples R China
7.Shandong Marine Resource & Environm Res Inst, Shandong Prov Key Lab Marine Ecol Restorat, Yantai, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Liu, Sheng,Li, Li,Zhang, Shoudu,et al. Heritability estimates for nutritional quality-related traits of the Pacific oyster, Crassostrea gigas[J]. JOURNAL OF THE WORLD AQUACULTURE SOCIETY,2019,50(4):738-748.
APA Liu, Sheng,Li, Li,Zhang, Shoudu,Wang, Weijun,Yang, Jianmin,&Zhang, Guofan.(2019).Heritability estimates for nutritional quality-related traits of the Pacific oyster, Crassostrea gigas.JOURNAL OF THE WORLD AQUACULTURE SOCIETY,50(4),738-748.
MLA Liu, Sheng,et al."Heritability estimates for nutritional quality-related traits of the Pacific oyster, Crassostrea gigas".JOURNAL OF THE WORLD AQUACULTURE SOCIETY 50.4(2019):738-748.
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