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Reproductive performance of one-year-old Pacific abalone (Haliotis discus hannai) and its crossbreeding effect on offspring growth and survival
Li, Jiaqi1,3; Wang, Mingling2,3; Fang, Jianguang1,4; Liu, Xiao2,3; Mao, Yuze1,3; Liu, Guangmou5; Bian, Dapeng5
2017-04-20
Source PublicationAQUACULTURE
Volume473Pages:110-114
SubtypeArticle
AbstractThe Pacific abalone (Haliotis discus hannai) is one of the most popular farming mollusks in China, where three-to four-year-old adults are used as broodstock for commercial seeding. However, no reports exist regarding the reproduction performance of one-year-old Pacific abalone and its potential use in commercial breeding. In this study, one line of one-year-old abalone (AO) and two lines of three-year-old abalone (BD and HD), which were selected for rapid growth for three or six generations, were adopted to establish three purebred groups (AO, BD and HD) and two crossbred groups (BDAO and HDAO). The performance of these five groups on embryonic development, growth and survival rate was evaluated. According to the results, the average yolk diameter of oocytes produced by one-year-old abalone was significantly smaller than that produced by three-year-old individuals. The fertilization rate of the AO group was significantly higher than those of the other four groups, while the metamorphosis rate was the opposite. During the first 40 d, the average shell growth rate of the AO group was slower than those of the other four groups, while the average shell length of this group was greatest after 120 d. The AO group also showed a significantly higher survival rate than those of other groups during the period from 38 d to 160 d post fertilization. No significant differences were found in the embryonic development parameters or shell growth rates between the purebred and crossbred groups that shared the same dam line. However, the survival rates of the crossbred groups were significantly higher than those of the purebred groups. These results suggest that one-year-old Pacific abalone could be used as broodstock for reproduction and that an accelerated breeding cycle may enhance commercial genetic improvement programs. (C) 2017 Elsevier B.V. All rights reserved.
KeywordSelective Breeding Cross Breeding Heterosis Young Broodstock Metamorphosis Survival Rate
DOI10.1016/j.aquaculture.2017.01.034
Indexed BySCI
Language英语
WOS IDWOS:000402463100013
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.qdio.ac.cn/handle/337002/137102
Collection实验海洋生物学重点实验室
Affiliation1.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Qingdao 266071, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
3.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
4.Qingdao Natl Lab Marine Sci & Technol, Funct Lab Marine Fisheries Sci & Food Prod Proc, Qingdao 266071, Peoples R China
5.Natl Engn Res Ctr Marine Shellfish, Weihai 264316, Peoples R China
Recommended Citation
GB/T 7714
Li, Jiaqi,Wang, Mingling,Fang, Jianguang,et al. Reproductive performance of one-year-old Pacific abalone (Haliotis discus hannai) and its crossbreeding effect on offspring growth and survival[J]. AQUACULTURE,2017,473:110-114.
APA Li, Jiaqi.,Wang, Mingling.,Fang, Jianguang.,Liu, Xiao.,Mao, Yuze.,...&Bian, Dapeng.(2017).Reproductive performance of one-year-old Pacific abalone (Haliotis discus hannai) and its crossbreeding effect on offspring growth and survival.AQUACULTURE,473,110-114.
MLA Li, Jiaqi,et al."Reproductive performance of one-year-old Pacific abalone (Haliotis discus hannai) and its crossbreeding effect on offspring growth and survival".AQUACULTURE 473(2017):110-114.
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