Behavioral alterations in GH transgenic common carp may explain enhanced competitive feeding ability

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	Behavioral alterations in GH transgenic common carp may explain enhanced competitive feeding ability
	Duan, Ming 1; Zhang, Tanglin 1; Hu, Wei 1; Li, Zhongjie 1; Sundstrom, L. Fredrik 3; Zhu, Tingbing 1,2; Zhong, Chengrong 1,2; Zhu, Zuoyan 1
刊名	AQUACULTURE
	2011-07-04
卷号	317 期号:1-4 页码:175-181
关键词	Transgene Growth hormone (GH) Foraging Competition Growth Common carp Cyprinus carpio
ISSN号	0044-8486
通讯作者	Zhang, TL (reprint author), Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China ; tlzhang@ihb.ac.cn
中文摘要	The aim of the present study was to clarify the role of GH transgenesis and its production in social interactions in juvenile common carp Cyprinus carpi. With food pellets provided sequentially, the serum GH levels and behavioral effects were measured in 14 pairs of size-matched 'all-fish' GH-transgenic and non-transgenic common carp. In six consecutive observations during 3 days, transgenic fish had a higher movement level as well as a higher social status, being 2.69 times as aggressive, two minutes before and after the 10-min feeding session compared to non-transgenic fish. Transgenic fish also were more than 1.74 times as likely to consume each pellet. During the 8-day experiment, transgenic fish had 4.09 times higher specific growth rate in body weight as well as 6.36 times higher serum GH level than the non-transgenic fish. These results show that GH transgenesis promotes over-expression of GH and alters behaviors in juvenile common carp, thereby increasing their ability to compete and gain food resources, presumably to meet a higher intrinsic growth rate, which gives direct evidence for the GH-induced elevation in feeding competitive ability of GH-transgenic common carp. Understanding these relationships would not only help evaluating potential ecological effects of the escaped/released transgenic fishes, but also help using potential aquaculture of this growth-enhanced strain. (C) 2011 Elsevier B.V. All rights reserved.
英文摘要	The aim of the present study was to clarify the role of GH transgenesis and its production in social interactions in juvenile common carp Cyprinus carpi. With food pellets provided sequentially, the serum GH levels and behavioral effects were measured in 14 pairs of size-matched 'all-fish' GH-transgenic and non-transgenic common carp. In six consecutive observations during 3 days, transgenic fish had a higher movement level as well as a higher social status, being 2.69 times as aggressive, two minutes before and after the 10-min feeding session compared to non-transgenic fish. Transgenic fish also were more than 1.74 times as likely to consume each pellet. During the 8-day experiment, transgenic fish had 4.09 times higher specific growth rate in body weight as well as 6.36 times higher serum GH level than the non-transgenic fish. These results show that GH transgenesis promotes over-expression of GH and alters behaviors in juvenile common carp, thereby increasing their ability to compete and gain food resources, presumably to meet a higher intrinsic growth rate, which gives direct evidence for the GH-induced elevation in feeding competitive ability of GH-transgenic common carp. Understanding these relationships would not only help evaluating potential ecological effects of the escaped/released transgenic fishes, but also help using potential aquaculture of this growth-enhanced strain. (C) 2011 Elsevier B.V. All rights reserved.
学科主题	Fisheries; Marine & Freshwater Biology
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
关键词[WOS]	SALMON ONCORHYNCHUS-KISUTCH ; JUVENILE RAINBOW-TROUT ; FISH OREOCHROMIS-MOSSAMBICUS ; INTRINSIC GROWTH-RATES ; COHO SALMON ; CYPRINUS-CARPIO ; ATLANTIC SALMON ; CONVERSION EFFICIENCY ; DOMINANCE HIERARCHIES ; LOCOMOTOR-ACTIVITY
收录类别	SCI
资助信息	Development Plan of the State Key Fundamental Research of China[2007CB109205]; National Natural Science Foundation of China[30770377, 30830025]; Shanghai Postdoctoral Scientific Program[10R21420500]
语种	英语
WOS记录号	WOS:000291908000026
公开日期	2011-11-09
内容类型	期刊论文
源URL	[http://ir.ihb.ac.cn/handle/342005/16293]
专题	水生生物研究所_淡水生态学研究中心_期刊论文
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.Uppsala Univ, Evolutionary Biol Ctr, Dept Anim Ecol, SE-75272 Uppsala, Sweden
推荐引用方式 GB/T 7714	Duan, Ming,Zhang, Tanglin,Hu, Wei,et al. Behavioral alterations in GH transgenic common carp may explain enhanced competitive feeding ability[J]. AQUACULTURE,2011,317(1-4):175-181.
APA	Duan, Ming.,Zhang, Tanglin.,Hu, Wei.,Li, Zhongjie.,Sundstrom, L. Fredrik.,...&Zhu, Zuoyan.(2011).Behavioral alterations in GH transgenic common carp may explain enhanced competitive feeding ability.AQUACULTURE,317(1-4),175-181.
MLA	Duan, Ming,et al."Behavioral alterations in GH transgenic common carp may explain enhanced competitive feeding ability".AQUACULTURE 317.1-4(2011):175-181.