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Performance evaluation of reciprocal hybrids derived from the two brackish oysters, Crassostrea hongkongensis and Crassostrea sikamea in southern China
Zhang, YH; Li, J; Zhang, Y; Ma, HT; Xiao, S; Xiang, ZM; Yu, ZN; carlzyu@scsio.ac.cn
2017
Source PublicationAQUACULTURE
Volume473Pages:310-316
AbstractInterspecific hybridization has been used as an important tool for genetic manipulation in oyster culture with the aim to produce a new strains having desired traits from both the parental species. A two by two factorial cross between sympatric oyster species, Hong Kong oyster (Crassostrea hongkongensis) and Kumamoto oyster (Crassostrea sikamea), yielded hybrids that were fast growing (a characteristic of Hong Kong oyster) and had superior meat quality (characteristic to Kumamoto oyster). Reciprocal hybrids were obtained by the acceptable level of fertilization and hatching rate compared to these of two parental species. The survival rate of the hybrids was similar to that of the parental species. The hybrids exhibited fully developed gonads and gametes when sex-uallymature. Relative to C. sikamea, the hybrids also showed significant growth advantages as in shell height and wet weight. The shell morphology of the hybrid was dictated by maternal inheritance. Our results revealed that reciprocal hybrids exhibited larger growth heterosis and survival advantage (in terms of C. sikamea), as well as a higher meat weight, showing great potential for application in the oyster aquaculture industry in southern China. Statement of relevance: We firstly conducted the interspecific hybridization between the largest (Crassostrea hongkongensis) and smallest oysters (C. sikamea) in Crassostea genus, and then obtained reciprocal hybrids with obvious the heterosis (in terms of C. sikamea). These hybrids are very useful as a new stock for the oyster aquaculture industry. (C) 2017 Elsevier B.V. All rights reserved.
Department[Zhang, Yuehuan; Li, Jun; Zhang, Yang; Ma, Haitao; Xiao, Shu; Xiang, Zhiming; Yu, Ziniu] Chinese Acad Sci, South China Sea Inst Oceanol, Guangdong Prov Key Lab Appl Marine Biol, Key Lab Trop Marine Bio Resources & Ecol, Guangzhou 510301, Guangdong, Peoples R China; [Zhang, Yuehuan; Li, Jun; Zhang, Yang; Ma, Haitao; Xiao, Shu; Xiang, Zhiming; Yu, Ziniu] South China Sea Bio Resource Exploitat, Guangzhou 510275, Guangdong, Peoples R China; [Zhang, Yuehuan; Li, Jun; Zhang, Yang; Ma, Haitao; Xiao, Shu; Xiang, Zhiming; Yu, Ziniu] Utilizat Collaborat Innovat Ctr, Guangzhou 510275, Guangdong, Peoples R China
KeywordCrassostrea Hongkongensis Crassostrea Sikamea Interspecific Hybridization Phenotypic Traits Heterosis
Funding ProjectLMB
Document Type期刊论文
Identifierhttp://ir.scsio.ac.cn/handle/344004/16266
Collection中科院海洋生物资源可持续利用重点实验室
Corresponding Authorcarlzyu@scsio.ac.cn
Recommended Citation
GB/T 7714
Zhang, YH,Li, J,Zhang, Y,et al. Performance evaluation of reciprocal hybrids derived from the two brackish oysters, Crassostrea hongkongensis and Crassostrea sikamea in southern China[J]. AQUACULTURE,2017,473:310-316.
APA Zhang, YH.,Li, J.,Zhang, Y.,Ma, HT.,Xiao, S.,...&carlzyu@scsio.ac.cn.(2017).Performance evaluation of reciprocal hybrids derived from the two brackish oysters, Crassostrea hongkongensis and Crassostrea sikamea in southern China.AQUACULTURE,473,310-316.
MLA Zhang, YH,et al."Performance evaluation of reciprocal hybrids derived from the two brackish oysters, Crassostrea hongkongensis and Crassostrea sikamea in southern China".AQUACULTURE 473(2017):310-316.
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