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Effects of the initial size, stocking density and sorting on the growth of juvenile Pacific abalone, Haliotis discus hannai Ino
Wu, Fucun1,2; Liu, Xiao1; Zhang, Guofan1; Wang, Chunde3; Liu, X, Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
2009-07-07
发表期刊AQUACULTURE RESEARCH
ISSN1355-557X
卷号40期号:10页码:1103-1110
文章类型Article
摘要During winter months, a novel overwintering mode of transferring juvenile abalones to open seawaters in southern China rather than keeping them in closed land-based nursery systems in northern China is a popular practice. The initial size, stocking density and sorting are among the first considerations when establishing an abalone culture system. This study aimed to investigate the effects of these factors on the growth of juvenile Pacific abalone, Haliotis discus hannai Ino, during overwintering. Juvenile abalones were reared in multi-tier basket form for overwintering in open seawaters in southern China for 106 days. The daily growth rates (DGRs) in the shell length of all experimental groups ranged from 67.08 to 135.75 mu m day(-1), while the specific growth rates (SGRs) were 0.2447-0.3259% day(-1). Variance analysis indicated that both DGRs and SGRs in shell length were significantly affected by the initial body size and stocking density. Furthermore, the effects of stocking density on DGRs and SGRs varied with the initial size. However, sorting abalones according to their initial sizes may not be necessary in practice as sorting did not alter growth significantly at all densities in this study. Factors potentially affecting abalone growth such as genetic control and intraspecific competition were discussed.; During winter months, a novel overwintering mode of transferring juvenile abalones to open seawaters in southern China rather than keeping them in closed land-based nursery systems in northern China is a popular practice. The initial size, stocking density and sorting are among the first considerations when establishing an abalone culture system. This study aimed to investigate the effects of these factors on the growth of juvenile Pacific abalone, Haliotis discus hannai Ino, during overwintering. Juvenile abalones were reared in multi-tier basket form for overwintering in open seawaters in southern China for 106 days. The daily growth rates (DGRs) in the shell length of all experimental groups ranged from 67.08 to 135.75 mu m day(-1), while the specific growth rates (SGRs) were 0.2447-0.3259% day(-1). Variance analysis indicated that both DGRs and SGRs in shell length were significantly affected by the initial body size and stocking density. Furthermore, the effects of stocking density on DGRs and SGRs varied with the initial size. However, sorting abalones according to their initial sizes may not be necessary in practice as sorting did not alter growth significantly at all densities in this study. Factors potentially affecting abalone growth such as genetic control and intraspecific competition were discussed.
关键词Haliotis Discus Hannai Ino Initial Size Stocking Density Sorting Growth
学科领域Fisheries
DOI10.1111/j.1365-2109.2009.02205.x
URL查看原文
收录类别SCI
语种英语
WOS记录号WOS:000267657000001
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被引频次:24[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/337002/1884
专题海洋生物技术研发中心
通讯作者Liu, X, Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
作者单位1.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing, Peoples R China
3.Qingdao Agr Univ, Qingdao, Peoples R China
第一作者单位中国科学院海洋研究所
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GB/T 7714
Wu, Fucun,Liu, Xiao,Zhang, Guofan,et al. Effects of the initial size, stocking density and sorting on the growth of juvenile Pacific abalone, Haliotis discus hannai Ino[J]. AQUACULTURE RESEARCH,2009,40(10):1103-1110.
APA Wu, Fucun,Liu, Xiao,Zhang, Guofan,Wang, Chunde,&Liu, X, Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China.(2009).Effects of the initial size, stocking density and sorting on the growth of juvenile Pacific abalone, Haliotis discus hannai Ino.AQUACULTURE RESEARCH,40(10),1103-1110.
MLA Wu, Fucun,et al."Effects of the initial size, stocking density and sorting on the growth of juvenile Pacific abalone, Haliotis discus hannai Ino".AQUACULTURE RESEARCH 40.10(2009):1103-1110.
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