| 尼罗系吉富罗非鱼(Oreochromis niloticus)幼鱼实用日粮中蔗糖糖蜜的养殖效果与血糖代谢变化 |
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| 引用本文： | 杨 淞,冯 健,宁 毅,何姝珍,苏玉琴,黄燕青.尼罗系吉富罗非鱼(Oreochromis niloticus)幼鱼实用日粮中蔗糖糖蜜的养殖效果与血糖代谢变化[J].海洋与湖沼,2012,43(1):78-83. |
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| 作者姓名： | 杨 淞 冯 健 宁 毅 何姝珍 苏玉琴 黄燕青 |
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| 作者单位： | 1. 广西大学水产研究所,南宁530004／四川农业大学动物科技学院,雅安625014
2. 广西大学水产研究所,南宁,530004 |
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| 基金项目： | 广西科技厅基金计划项目, 09321022 号 |
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| 摘 要： | 采用6种等蛋白质(34.4%)、等能量(16.10MJ/kg)试验日粮,研究了尼罗系吉富罗非鱼幼鱼实用日粮中蔗糖糖蜜替代小麦次粉的养殖效果与血糖代谢变化。结果表明,56d试验期间各试验组鱼均无死亡;蔗糖糖蜜替代小麦次粉40%—100%日粮组鱼的摄食量、特定生长率、饲料效益和蛋白效益均高于小麦次粉组鱼,当蔗糖糖蜜100%替代小麦次粉时,其摄食量、特定生长率和饲料效益蛋白效益比均显著性上升(P<0.05)。各试验组鱼鱼体营养成分(蛋白质、脂肪、灰分和水分)和肝体指数无显著性差异(P>0.05),肝脏结构正常。蔗糖糖蜜组鱼血浆中血糖、总蛋白、胆固醇、甘油三酯含量明显高于小麦次粉组鱼(P<0.05)。本试验结果认为,蔗糖糖蜜在尼罗系吉富罗非鱼幼鱼实用日粮中可以完全替代小麦次粉,蔗糖糖蜜对尼罗系吉富罗非鱼幼鱼具有较好的生长效益、节约日粮蛋白质效益和适口性,其主要原因与摄食蔗糖糖蜜后尼罗系罗非鱼幼鱼产生的较长时间高血糖现象有关。
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| 关 键 词： | 尼罗系吉富罗非鱼 蔗糖糖蜜 生长效益 血糖 |
| 收稿时间： | 2010/10/12 0:00:00 |
| 修稿时间： | 2010/12/19 0:00:00 |
AQUACULTURE PERFORMANCE OF SUGARCANE MOLASSES IN PRACTICAL DIETS AND CHANGE OF BLOOD SUGAR ON JUVENILE GENETIC IMPROVEMENT OF FARMED TILAPIA STRAIN OF NILE TILAPIA (OREOCHROMIS NILOTICUS) |
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| YANG Song,FENG Jian,NING Yi,HE Shu-Zhen,SU Yu-Qin and HUANG Yan-Qing.AQUACULTURE PERFORMANCE OF SUGARCANE MOLASSES IN PRACTICAL DIETS AND CHANGE OF BLOOD SUGAR ON JUVENILE GENETIC IMPROVEMENT OF FARMED TILAPIA STRAIN OF NILE TILAPIA (OREOCHROMIS NILOTICUS)[J].Oceanologia Et Limnologia Sinica,2012,43(1):78-83. |
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| Authors: | YANG Song FENG Jian NING Yi HE Shu-Zhen SU Yu-Qin and HUANG Yan-Qing |
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| Institution: | Institute of Aquaculture, Guangxi University;College of Animal Science, Sichuan Agricultural Universit;Institute of Aquaculture, Guangxi University;Institute of Aquaculture, Guangxi University;Institute of Aquaculture, Guangxi University;Institute of Aquaculture, Guangxi University;Institute of Aquaculture, Guangxi University |
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| Abstract: | We have studied the aquaculture performance of sugarcane molasses in juvenile Genetic Improvement of Farmed Tilapia strain of Nile tilapia (Oreochromis niloticus) practical diets by progressively increasing its inclusion level at the expense of wheat middling in isonitrogenous (34.4% crude protein) and isoenergetic (16.10MJ/kg) formulated diets. The test results indicated that the survival did not differ among treatments (P>0.05) during the test period (56 days). The intake, growth and feed conversion ratio of fish fed 20% SMS diet showed significantly better than fish fed 20% wheat middling diet (P<0.05). No significant difference with carcass nutrient contents (protein, lipid, ash and moisture) was found among the treatments. The contents of glucose, total protein, cholesterol, triglyceride in serum at fish fed 20% SMS diet were all significantly higher than fish fed 20% wheat middling diet (P<0.05). Results showed that Wheat middling could be entirely replaced by sugarcane molasses in practical diets of juvenile without compromising growth or feed conversion ratio. The higher blood sugar in fish after intake sugarcane molasses diet could be the major cause on positive growth performance and feed conversion ratio in juvenile GIFT strain of Nile tilapia. |
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| Keywords: | Genetic Improvement of Farmed Tilapia strain of Nile tilapia (Oreochromis niloticus) Sugarcane molasses Growth performance Blood sugar |
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