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Dietary myo-inositol requirement for juvenile gibel carp (Carassius auratus gibelio)

文献类型: 外文期刊

作者: Gong, W. 1 ; Lei, W. 1 ; Zhu, X. 1 ; Yang, Y. 1 ; Han, D. 1 ; Xie, S. 1 ;

作者机构: 1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China

2.Chinese Acad Fishery Sci, Key Lab Trop & Subtrop Fishery Resource Applicat, Minist Agr, Pearl River Fisheries Res Inst, Guangzhou, Guangdong, Peoples R China

期刊名称:AQUACULTURE NUTRITION ( 影响因子:3.497; 五年影响因子:3.78 )

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收录情况: SCI

摘要: An 11-week growth trial was conducted to determine dietary myo-inositol (MI) requirement for juvenile gibel carp (Carassius auratus gibelio). Myo-inositol was supplemented to the basal diet to formulate six purified diets containing 1, 56, 107, 146, 194 and 247 mg MI kg(-1) diet, respectively. Each diet was fed to triplicate groups of juvenile gibel carp (initial body weight 3.38 +/- 0.27 g, mean +/- SD) in a flow-through system. The diets were randomly assigned to different fish tanks. Fish fed >= 107 mg MI kg(-1) diet had significantly higher weight gain (WG), feed efficiency (FE) and protein efficiency ratio than those fed 1 mg MI kg(-1) diet. Fish fed >= 56 mg MI kg(-1) diet had higher feeding rate and survival compared with fish fed 1 mg MI kg(-1) diet. Dietary supple-mental inositol did not affect fish liver inositol concentration. Fish fed >= 56 mg MI kg(-1) diet had higher body dry matter, crude protein and gross energy and lower hepatosomatic index than fish fed 1 mg MI kg(-1) diet. Dietary inositol supplementation decreased fish body ash. Quadratic regression of weight gain indicated that the myo-inositol requirement to maximum growth for juvenile gibel carp was 165.3 mg MI kg(-1) diet.

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