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学科主题: Fisheries
题名: Survival and growth of the sea cucumber Holothuria leucospilota Brandt: a comparison between suspended and bottom cultures in a subtropical fish farm during summer
作者: Yu, ZH ; Hu, CQ ; Zhou, Y ; Li, HP ; Peng, PF
通讯作者: cqhu@scsio.ac.cn
关键词: co-culture ; bioremediation ; sediment ; organic matter ; dissolved oxygen ; assimilation efficiency
刊名: AQUACULTURE RESEARCH
发表日期: 2012
卷: 44, 期:1, 页:114-124
部门归属: [Yu, Zonghe; Hu, Chaoqun; Li, Haipeng; Peng, Pengfei] Chinese Acad Sci, S China Sea Inst Oceanol, Key Lab Marine Bioresources Sustainable Utilizat, Guangzhou 510301, Guangdong, Peoples R China; [Yu, Zonghe; Hu, Chaoqun; Li, Haipeng; Peng, Pengfei] Chinese Acad Sci, S China Sea Inst Oceanol, Key Lab Appl Marine Biol Guangdong Prov LAMB, Guangzhou 510301, Guangdong, Peoples R China; [Zhou, Yi] Chinese Acad Sci, Inst Oceanol, Qingdao, Peoples R China
项目归属: LMB
摘要: The feasibility of co-culturing the sea cucumber Holothuria leucospilota Brandt in a subtropical fish farm was investigated in a field study. Sea cucumbers were cultured in the fish farm in cages suspended at 4 m deep (suspended culture) and directly on the seafloor (bottom culture). The survival and growth of the sea cucumbers were monitored twice during the 3-month, summer experimental period (May 26August 14, 2010). Results showed that the suspension-cultured sea cucumbers exhibited excellent survival rate (100%) during the whole study period. There also occurred no mortality in the bottom-cultured sea cucumbers during the first culture period (May 26July 13); but all these died from anoxia caused by water column stratification during the second culture period (July 14August 14). The specific growth rate of the bottom-cultured sea cucumbers (1.05 +/- 0.21 % day-1) was nearly double that of the suspended culture animals (0.57 +/- 0.21 % day-1) during the first culture period, and the growth rates of the suspended culture sea cucumbers in the second culture periods (0.46 +/- 0.24 % day-1) was only a little lower than that of the first period. The sea cucumbers H. leucospilota could ingest and assimilate sediment with high organic matter content with an average assimilation efficiency of 14.9 +/- 3.9%. This study indicated that fish farm detritus can be effectively used as a food source for the sea cucumber and that it can be turned into a valuable secondary crop in the form of the sea cucumber biomass.
语种: 英语
WOS记录号: WOS:000312147700014
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/9740
Appears in Collections:中科院海洋生物资源可持续利用重点实验室_期刊论文

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Recommended Citation:
Yu, ZH; Hu, CQ; Zhou, Y; Li, HP; Peng, PF.Survival and growth of the sea cucumber Holothuria leucospilota Brandt: a comparison between suspended and bottom cultures in a subtropical fish farm during summer,AQUACULTURE RESEARCH,2012,44(1):114-124
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文件名: Survival and growth of the sea cucumber Holothuria leucospilota Brandt.pdf
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