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Effect of light intensity on growth, survival and skin color of juvenile Chinese longsnout catfish (Leiocassis longirostris Gunther)
Han, D; Xie, SQ; Lei, W; Zhu, XM; Yang, YX; Xie, SQ, Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Peoples R China
2005
Conference Name11th International Symposium on Nutrition and Feeding in Fish
Source PublicationAQUACULTURE
Pages299-306
Conference DateMAY 02-07, 2004
Conference PlacePhuket Isl, THAILAND
DepartmentChinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Peoples R China; Chinese Acad Sci, Grad Sch, Wuhan, Peoples R China
AbstractAn 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.
KeywordLight Intensity Growth Skin Color Chinese Longsnout Catfish
Funding OrganizationDept Fisheries
Indexed BySCI
Language英语
WOS IDWOS:000231291200031
Citation statistics
Cited Times:27[WOS]   [WOS Record]     [Related Records in WOS]
Document Type会议论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/11785
Collection会议论文
Corresponding AuthorXie, SQ, Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Peoples R China
Recommended Citation
GB/T 7714
Han, D,Xie, SQ,Lei, W,et al. Effect of light intensity on growth, survival and skin color of juvenile Chinese longsnout catfish (Leiocassis longirostris Gunther)[C],2005:299-306.
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