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题名: Effect of light intensity on growth, survival and skin color of juvenile Chinese longsnout catfish (Leiocassis longirostris Gunther)
作者: Han, D ; Xie, SQ ; Lei, W ; Zhu, XM ; Yang, YX
会议文集: AQUACULTURE
会议名称: 11th International Symposium on Nutrition and Feeding in Fish
会议日期: MAY 02-07, 2004
出版日期: 2005
会议地点: Phuket Isl, THAILAND
关键词: light intensity ; growth ; skin color ; Chinese longsnout catfish
通讯作者: Xie, SQ, Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Peoples R China
收录类别: SCI
部门归属: Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Peoples R China; Chinese Acad Sci, Grad Sch, Wuhan, Peoples R China
主办者: Dept Fisheries
摘要: An 8-week experiment was carried out to investigate the effects of light intensity on growth, survival and skin color of Chinese longsnout catfish juveniles. Five light intensities, 0.15, 0.98, 2.46, 3.82 and 5.28 mu mol.s(-1).m(-2) (5, 74, 198, 312 and 434 lx, respectively), were tested in triplicates. Fish (4.8 +/- 0.01 g) were fed to satiation twice a day (0900, 1600 h). The photoperiod was 12L:12D (0800-2000 h). At the end of the experiment, three fish per tank were sampled to measure skin color by instrumental color analysis. The results showed that growth rate was significantly reduced at lower or higher intensities while light intensity did not affect the survival. The skin color of Chinese longsnout catfish was darkest under 434 lx. It is concluded that light intensity significantly affected growth and optimal light intensity for Chinese longsnout catfish juveniles was about 312 lx. (C) 2005 Elsevier B.V All rights reserved.
语种: 英语
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内容类型: 会议论文
URI标识: http://ir.ihb.ac.cn/handle/342005/11785
Appears in Collections:中科院水生所知识产出(2009年前)_会议论文

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Recommended Citation:
Han, D; Xie, SQ; Lei, W; Zhu, XM; Yang, YX.Effect of light intensity on growth, survival and skin color of juvenile Chinese longsnout catfish (Leiocassis longirostris Gunther).见:.AQUACULTURE,,2005,299-306
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