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学科主题: Fisheries; Marine & Freshwater Biology
题名: Fast-growing transgenic common carp mounfing compensatory growth
作者: Fu, C.; Li, D.; Hu, W.; Wang, Y.; Zhu, Z.
通讯作者: Zhu, Z, Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Hubei, Peoples R China
关键词: common carp ; compensatory growth ; fast-growing ; growth hormone gene ; starvation ; transgenic fish
刊名: JOURNAL OF FISH BIOLOGY
发表日期: 2007-10-01
DOI: 10.1111/j.1095-8649.2007.01401.x
卷: 71, 期:0, 页:174-185
收录类别: SCI
文章类型: Article
部门归属: Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Hubei, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Fisheries ; Marine & Freshwater Biology
研究领域[WOS]: Fisheries ; Marine & Freshwater Biology
摘要: Compensatory growth is a phase of accelerated growth apparent when favourable conditions are restored after a period of growth depression. To investigate if F-2 common 'all-fish' growth hormone gene transgenic common carp (Cyprinus carpio) could mount compensatory growth, a 9 week study at 29 degrees C was performed. The control group was fed to satiation twice a day throughout the experiment. The other two groups were deprived of feed for 1 or 2 weeks, respectively, and then fed to satiation during the re-feeding period. At the end of the experiment, the live masses of fish in the deprived groups were still significantly lower than those of the controls. During the re-feeding period, size-adjusted mean specific growth rates and mean feed intakes were significantly higher in the deprived fish than in the controls, indicating a partial compensatory growth response in these fish. No significant differences were found in food conversion efficiency between the deprived and control fish during re-feeding, suggesting that hyperphagia was the mechanism responsible for increased growth rates. The proximate composition of the deprived fish at the end of the experiment was similar to that of the control fish. This study is, to our knowledge, the first to report that fast-growing transgenic fish can achieve partial compensation of growth following starvation. (c) 2007 The Authors Journal compilation (c) 2007 The Fisheries Society of the British Isles.
英文摘要: Compensatory growth is a phase of accelerated growth apparent when favourable conditions are restored after a period of growth depression. To investigate if F-2 common 'all-fish' growth hormone gene transgenic common carp (Cyprinus carpio) could mount compensatory growth, a 9 week study at 29 degrees C was performed. The control group was fed to satiation twice a day throughout the experiment. The other two groups were deprived of feed for 1 or 2 weeks, respectively, and then fed to satiation during the re-feeding period. At the end of the experiment, the live masses of fish in the deprived groups were still significantly lower than those of the controls. During the re-feeding period, size-adjusted mean specific growth rates and mean feed intakes were significantly higher in the deprived fish than in the controls, indicating a partial compensatory growth response in these fish. No significant differences were found in food conversion efficiency between the deprived and control fish during re-feeding, suggesting that hyperphagia was the mechanism responsible for increased growth rates. The proximate composition of the deprived fish at the end of the experiment was similar to that of the control fish. This study is, to our knowledge, the first to report that fast-growing transgenic fish can achieve partial compensation of growth following starvation. (c) 2007 The Authors Journal compilation (c) 2007 The Fisheries Society of the British Isles.
关键词[WOS]: CATFISH ICTALURUS-PUNCTATUS ; CHINESE LONGSNOUT CATFISH ; JUVENILE ATLANTIC SALMON ; DIFFERENT PROTEIN-LEVELS ; BODY-COMPOSITION ; HORMONE GENE ; FOOD-DEPRIVATION ; FEED DEPRIVATION ; CTENOPHARYNGODON-IDELLUS ; SALVELINUS-ALPINUS
语种: 英语
WOS记录号: WOS:000250753400002
ISSN号: 0022-1112
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/8378
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, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Hubei, Peoples R China

Recommended Citation:
Fu, C.; Li, D.; Hu, W.; Wang, Y.; Zhu, Z..Fast-growing transgenic common carp mounfing compensatory growth,JOURNAL OF FISH BIOLOGY,2007,71():174-185
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