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学科主题: Fisheries; Marine & Freshwater Biology
题名: Elevated ability to compete for limited food resources by 'all-fish' growth hormone transgenic common carp Cyprinus carpio
作者: Duan, M.1, 2; Zhang, T.1; Hu, W.1; Sundstroem, L. F.3; Wang, Y.1; Li, Z.1; Zhu, Z.1
通讯作者: Zhang, T, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
关键词: competition ; foraging ; growth hormone (GH) ; transgene
刊名: JOURNAL OF FISH BIOLOGY
发表日期: 2009-10-01
DOI: 10.1111/j.1095-8649.2009.02393.x
卷: 75, 期:6, 页:1459-1472
收录类别: SCI
文章类型: Article
部门归属: [Duan, M.; Zhang, T.; Hu, W.; Wang, Y.; Li, Z.; Zhu, Z.] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China; [Duan, M.] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China; [Sundstroem, L. F.] Univ British Columbia, Dept Fisheries & Oceans, Ctr Aquaculture & Environm Res, W Vancouver, BC V7V 1N6, Canada
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
资助者: Development Plan of the State Key Fundamental Research of China [2007CB109205]; National Natural Science Foundation [30770377, 30830025]
类目[WOS]: Fisheries ; Marine & Freshwater Biology
研究领域[WOS]: Fisheries ; Marine & Freshwater Biology
摘要: Food consumption, number of movements and feeding hierarchy of juvenile transgenic common carp Cyprinus carpio and their size-matched non-transgenic conspecifics were measured under conditions of limited food supply. Transgenic fish exhibited 73 center dot 3% more movements as well as a higher feeding order, and consumed 1 center dot 86 times as many food pellets as their non-transgenic counterparts. After the 10 day experiment, transgenic C. carpio had still not realized their higher growth potential, which may be partly explained by the higher frequency of movements of transgenics and the 'sneaky' feeding strategy used by the non-transgenics. The results indicate that these transgenic fish possess an elevated ability to compete for limited food resources, which could be advantageous after an escape into the wild. It may be that other factors in the natural environment (i.e. predation risk and food distribution), however, would offset this advantage. Thus, these results need to be assessed with caution.
英文摘要: Food consumption, number of movements and feeding hierarchy of juvenile transgenic common carp Cyprinus carpio and their size-matched non-transgenic conspecifics were measured under conditions of limited food supply. Transgenic fish exhibited 73.3% more movements as well as a higher feeding order, and consumed 1.86 times as many food pellets as their non-transgenic counterparts. After the 10 day experiment, transgenic C. carpio had still not realized their higher growth potential, which may be partly explained by the higher frequency of movements of transgenics and the 'sneaky' feeding strategy used by the non-transgenics. The results indicate that these transgenic fish possess an elevated ability to compete for limited food resources, which could be advantageous after an escape into the wild. It may be that other factors in the natural environment (i.e. predation risk and food distribution), however, would offset this advantage. Thus, these results need to be assessed with caution.
关键词[WOS]: SALMON ONCORHYNCHUS-KISUTCH ; JUVENILE RAINBOW-TROUT ; COHO SALMON ; ATLANTIC SALMON ; DOMINANCE HIERARCHIES ; ENVIRONMENT INTERACTIONS ; ADAPTIVE FLEXIBILITY ; PREDATION RISK ; ARCTIC CHARR ; RAPID GROWTH
语种: 英语
WOS记录号: WOS:000271523700022
ISSN号: 0022-1112
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/7500
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
3.Univ British Columbia, Dept Fisheries & Oceans, Ctr Aquaculture & Environm Res, W Vancouver, BC V7V 1N6, Canada

Recommended Citation:
Duan, M.; Zhang, T.; Hu, W.; Sundstroem, L. F.; Wang, Y.; Li, Z.; Zhu, Z..Elevated ability to compete for limited food resources by 'all-fish' growth hormone transgenic common carp Cyprinus carpio,JOURNAL OF FISH BIOLOGY,2009,75(6):1459-1472
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