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学科主题: Fisheries
题名: Effect of ration on the growth and energy budget of Chinese longsnout catfish, Leiocassis longirostris Gunther
作者: Han, D ; Xie, SQ ; Lei, W ; Zhu, XM ; Yang, YX
通讯作者: Xie, SQ, Chinese Acad Sci, Inst Hydrobiol, Stat Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China
关键词: ration level ; energy budget ; Chinese longsnout catfish ; Leiocassis longirostris (Gunther)
刊名: AQUACULTURE RESEARCH
发表日期: 2004
卷: 35, 期:9, 页:866-873
收录类别: SCI
部门归属: Chinese Acad Sci, Inst Hydrobiol, Stat Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China; Chinese Acad Sci, Grad Sch, Beijing 100864, Peoples R China
摘要: The effect of ration on growth and energy budget of Chinese longsnout catfish was investigated in a growth trial. Fish of initial body weight of 6.5 g were fed at six ration levels (RLs): starvation, 0.8%, 1.6%, 2.4%, 3.2% of body weight per day, and apparent satiation for 8 weeks. Fish were weighed biweekly to adjust feed amount. The results showed that specific growth rate in wet weight, protein and energy increased logarithmically with increased RLs. The relationship of specific growth rate in wet weight (SGRw, % day(-1)) and RL (%) was a decelerating curve: SGRw=-0.62+3.10 Ln(RL+1). The energy budget equation at satiation was: 100 IE=12.94 FE+5.50(ZE+UE)+40.07 HE+41.49 RE, where IE, FE, (ZE+UE), HE, RE are food energy, faecal energy, excretory energy, heat production and recovered energy respectively. Body composition was slightly but significantly affected by ration size except for protein content. The most efficient ration based on the relationship between RL and feed efficiency ratio in energy (FERe) was 1.8% of body weight per day.
WOS记录号: WOS:000222371400008
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/9464
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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Recommended Citation:
Han, D; Xie, SQ; Lei, W; Zhu, XM; Yang, YX.Effect of ration on the growth and energy budget of Chinese longsnout catfish, Leiocassis longirostris Gunther,AQUACULTURE RESEARCH,2004,35(9):866-873
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