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Evaluation of advantages in the growth, survival and reproductive aspects of triploid hybrids derived from Crassostrea gigas tetraploids and C. ariakensis diploids in northern China
Li, Haikun1; Yu, Ruihai1; Li, Qi1; Ma, Peizhen2
2022-02-15
发表期刊AQUACULTURE
ISSN0044-8486
卷号548页码:8
通讯作者Yu, Ruihai(yuruihai@ouc.edu.cn)
摘要Crossbreeding and polyploid breeding are two important tools for the genetic improvement of oysters, and their cross-application is expected to provide new benefits to oyster breeding. To evaluate the aquaculture traits of allotriploids between Crassostrea gigas and Crassostrea ariakensis, two triploid hybrids (TAG (diploid C. ariakensis 9 x tetraploid C. gigas d) and TGA (tetraploid C. gigas 9 x diploid C. ariakensis d)) were established. Phenotypic traits including growth, survival and reproduction were analyzed in two diploid hybrids (AG (diploid C. ariakensis 9 x diploid C. gigas d) and GA (diploid C. gigas d x diploid C. ariakensis 9)) as controls. The results showed that TAG presented triploid advantage in fertilization rates and hatching rates, up to 11.34% and 26.50% respectively, while TGA did not. The survival rate of TAG and the shell height of TGA exhibited triploid advantage throughout the larval stage and were significantly higher (P < 0.05) than those of AG and GA at day 25. During the grow-out stage, triploid advantages appeared in the shell height of TAG and TGA, but only TAG showed triploid advantages in the survival rate. The triploid rates of TAG and TGA began to decrease during the grow-out stage, and reached 96.11% +/- 4.41% and 90.56% +/- 3.47%, respectively, at day 350. It was also found that the reproduction of TAG and TGA on day 350 was poor, manifesting as a high proportion of individuals with no gametes or a low number of gametes. Overall, TAG always presents triploid advantages in terms of growth and survival throughout the grow-out stage and shows potential value as a new resource of oyster farming or genetic improvement.
关键词Crassostrea gigas and Crassostrea ariakensis Allotriploid Phenotypic trait Triploid advantage rate
DOI10.1016/j.aquaculture.2021.737675
收录类别SCI
语种英语
资助项目National Natural Science Foundation of China[31172403] ; Key Technology Research and Development Program of Shandong[2020LZGC016]
WOS研究方向Fisheries ; Marine & Freshwater Biology
WOS类目Fisheries ; Marine & Freshwater Biology
WOS记录号WOS:000728837000010
出版者ELSEVIER
引用统计
被引频次:5[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/337002/177501
专题中国科学院海洋研究所
通讯作者Yu, Ruihai
作者单位1.Ocean Univ China, Key Lab Mariculture, Minist Educ, 5 Yushan Rd, Qingdao 266003, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, 7 Nanhai Rd, Qingdao 266071, Peoples R China
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Li, Haikun,Yu, Ruihai,Li, Qi,et al. Evaluation of advantages in the growth, survival and reproductive aspects of triploid hybrids derived from Crassostrea gigas tetraploids and C. ariakensis diploids in northern China[J]. AQUACULTURE,2022,548:8.
APA Li, Haikun,Yu, Ruihai,Li, Qi,&Ma, Peizhen.(2022).Evaluation of advantages in the growth, survival and reproductive aspects of triploid hybrids derived from Crassostrea gigas tetraploids and C. ariakensis diploids in northern China.AQUACULTURE,548,8.
MLA Li, Haikun,et al."Evaluation of advantages in the growth, survival and reproductive aspects of triploid hybrids derived from Crassostrea gigas tetraploids and C. ariakensis diploids in northern China".AQUACULTURE 548(2022):8.
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