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Effect of water temperature on energy budget of Nile tilapia, Oreochromis niloticus
Xie, S.; Zheng, K.; Chen, J.; Zhang, Z.; Zhu, X.; Yang, Y.; Xie, S, Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Hubei, Peoples R China; sqxie@ihb.ac.cn
2011
Source PublicationAQUACULTURE NUTRITION
Volume17Issue:3Pages:E683-E690
AbstractA 21-day growth trial was undertaken to investigate the effect of water temperature (25, 28, 31, 34, 37 degrees C) on growth, feed utilization and energy budget of juvenile Nile tilapia (Oreochromis niloticus) (initial body weight around 12 g) with four replicates at each temperature. Feed intake energy (IE), recovered energy (RE), faecal energy (FE), excretory energy (UE + ZE) and heat energy (HE) were calculated to obtain the energy budget. The results showed that feeding rate and ammonia excretion were not significantly affected by water temperature. Specific growth rate in wet weight (SGRw) and FE was significantly lower in the fish reared at 37 degrees C while no significant difference was observed between the fish reared at 25-34 degrees C. Protein retention efficiency was highest at 28 degrees C and lowest at 37 degrees C. The proportion of IE channelled into RE and UE + ZE was lower while those lost in HE was higher in the fish reared at 37 degrees C. The optimal growth temperature was estimated as 30.1 degrees C based on the regression of SGR and water temperature. Energy budget at maximum growth (34 degrees C) was: 100 IE = 27.0 RE + 1.1 (ZE + UE) + 10.6 FE + 59.2 HE. HE accounted for 69.3% and RE for 30.7% of metabolizable energy.
KeywordEnergy Budget Nile Tilapia Water Temperature
Department[Xie, S.; Zheng, K.; Chen, J.; Zhu, X.; Yang, Y.] Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Hubei, Peoples R China; [Xie, S.] Shanghai Univ, Aquaculture Div, E Inst, Shanghai, Peoples R China; [Zheng, K.; Chen, J.] Chinese Acad Sci, Grad Sch, Beijing, Peoples R China; [Zhang, Z.] Huazhong Agr Univ, Fishery Coll, Wuhan, Hubei, Peoples R China
Subject AreaFisheries
Funding OrganizationMinistry of Science and Technology of China [2007AA10Z239] ; Ministry of Science and Technology of China [2007AA10Z239] ; Ministry of Science and Technology of China [2007AA10Z239] ; Ministry of Science and Technology of China [2007AA10Z239]
Indexed BySCI
WOS IDWOS:000289118500002
Funding OrganizationMinistry of Science and Technology of China [2007AA10Z239] ; Ministry of Science and Technology of China [2007AA10Z239] ; Ministry of Science and Technology of China [2007AA10Z239] ; Ministry of Science and Technology of China [2007AA10Z239]
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Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/15596
Collection淡水生态学研究中心_期刊论文
Corresponding AuthorXie, S, Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Hubei, Peoples R China; sqxie@ihb.ac.cn
Recommended Citation
GB/T 7714
Xie, S.,Zheng, K.,Chen, J.,et al. Effect of water temperature on energy budget of Nile tilapia, Oreochromis niloticus[J]. AQUACULTURE NUTRITION,2011,17(3):E683-E690.
APA Xie, S..,Zheng, K..,Chen, J..,Zhang, Z..,Zhu, X..,...&sqxie@ihb.ac.cn.(2011).Effect of water temperature on energy budget of Nile tilapia, Oreochromis niloticus.AQUACULTURE NUTRITION,17(3),E683-E690.
MLA Xie, S.,et al."Effect of water temperature on energy budget of Nile tilapia, Oreochromis niloticus".AQUACULTURE NUTRITION 17.3(2011):E683-E690.
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