Survival and growth of reciprocal crosses between two stocks of the Hong Kong oyster Crassostrea hongkongensis (Lam & Morton, 2003) in southern China
Zhang, YH; Su, JQ; Li, J; Zhang, Y; Xiao, S; Yu, ZN; xiaoshu@scsio.ac.cn; carlzyu@scsio.ac.cn
2018
发表期刊AQUACULTURE RESEARCH
卷号48期号:5页码:2344-2354
摘要The Hong Kong oyster, Crassostrea hongkongensis, is one of the most economically important and well-known oyster species in southern China. To explore the possibility of improving the performance of the Hong Kong oyster, complete diallel crosses between two oyster stocks, the Zhuhai stock (Z: fast growth line F4) and the Maowei Sea stock (M: resistant line F3), were conducted using pooled gametes. Three replicates, each consisting of two pure stocks (ZZ and MM) and two reciprocal crosses (ZM and MZ), were successfully generated. High fertilization rate and hatching level were observed among all the experimental groups, suggesting that there was no sperm-egg recognition barrier between geographic populations. Reciprocal crosses had higher survival rate compared to the pure stock crosses and the rate of survival increased with progeny growth. Growth heterosis became obvious both in larval and adult stages, and was primarily influenced by the egg origin and mating strategy at the larval stage. Also, the phenotypic traits of all progeny differed amongst the culture sites, suggesting a significant environmental effect. The Zhuhai site was more suitable for oyster aquaculture than the Maowei Sea site. Thus, our results demonstrated that crossbreeding between Zhuhai and Maowei Sea stocks of Hong Kong oyster to produce superior heterosis represents a promising means to improve the fishery yield of this species in southern China.
部门归属[Zhang, Yuehuan; Li, Jun; Zhang, Yang; Xiao, Shu; Yu, Ziniu] Chinese Acad Sci, South China Sea Inst Oceanol, Guangdong Prov Key Lab Appl Marine Biol, Key Lab Trop Marine Bioresources & Ecol, Guangzhou, Guangdong, Peoples R China; [Zhang, Yuehuan; Su, Jiaqi; Li, Jun; Zhang, Yang; Xiao, Shu; Yu, Ziniu] South China Sea Bioresource Exploitat & Utilizat, Guangzhou, Guangdong, Peoples R China; [Su, Jiaqi] Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Guangzhou, Guangdong, Peoples R China
学科领域Fisheries
关键词[WOS]the Hong Kong oyster ; Crassostrea hongkongensis ; phenotypic traits ; crossbreeding ; heterosis
资助项目LMB
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/17048
专题中科院海洋生物资源可持续利用重点实验室
通讯作者xiaoshu@scsio.ac.cn; carlzyu@scsio.ac.cn
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GB/T 7714
Zhang, YH,Su, JQ,Li, J,et al. Survival and growth of reciprocal crosses between two stocks of the Hong Kong oyster Crassostrea hongkongensis (Lam & Morton, 2003) in southern China[J]. AQUACULTURE RESEARCH,2018,48(5):2344-2354.
APA Zhang, YH.,Su, JQ.,Li, J.,Zhang, Y.,Xiao, S.,...&carlzyu@scsio.ac.cn.(2018).Survival and growth of reciprocal crosses between two stocks of the Hong Kong oyster Crassostrea hongkongensis (Lam & Morton, 2003) in southern China.AQUACULTURE RESEARCH,48(5),2344-2354.
MLA Zhang, YH,et al."Survival and growth of reciprocal crosses between two stocks of the Hong Kong oyster Crassostrea hongkongensis (Lam & Morton, 2003) in southern China".AQUACULTURE RESEARCH 48.5(2018):2344-2354.
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