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赤眼鳟消化酶活力对其生长率的影响

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摘要: 本次实验以酶学的分析方法,就不同粗脂肪含量条件下,赤眼鳟Squalibarbus Curriclu鱼种阶段消化酶活性进行了测定。实验结果表明:在2.47%、4.32%、7.12%、8.72%、10.05%、11.71% 这六种粗脂肪含量条件下,肠道中淀粉酶活性较接近,差异不显著(P>0.05);肝脏中淀粉酶活性有显著差异(P<0.05),其中以脂肪含量为 11.71% 时活性最高(73.485μg glucose/mg protein. Min)。消化器官不同部位对淀粉酶的活性没有显著的差异。肝脏中脂肪酶的活性变化差异显著(P<0.05),在粗脂肪含量为7.12% 时其活性最高(24.5853μg Tyr/mg protein.min);肠道中脂肪酶活性变化显著(P<0.05),在粗脂肪含量为2.47%时活性最低(5.8338μg Tyr/mg protein.min)。消化器官不同部位酶活性存在明显差异:肝胰脏酶活性比肠道酶活性高。粗脂肪含量的高底对赤眼鳟生长率和饵料系数也有很大的影响,实验结果表明脂肪含量在4.32% 时其生长率达到最高值3.455饵料系数达到最小值2.21,增重率也是达到最高120.94。通过该实验可以对于赤眼鳟养殖提供有价值的参考资料,还为赤眼鳟生理学和饲料配方提供理论依据。

关键词:赤眼鳟,消化酶活力,生长率


Trout digestive enzymes Chek eyes vitality of the impact of their growth rates

Abstract This experiment to Meixue analytical methods, crude fat content on various conditions, Chek eyes Trout Squalibarbus Curriclu species phase of the digestion Meihuo measured. Experimental results showed : 2.47%, 4.32%, 7.12%, 8.72%, 10.05%, 11.71% crude fat content of the six conditions, gastro-intestinal, starch Meihuo sexual closer, the difference is not significant (P > 0.05);Liver, starch Meihuo sexual significant differences (P < 0.05), with the highest fat content of 11.71%, reactive (73.485 glucose/mg 16ug g protein.Min). Different parts of the digestive organs of the reactive amylase no significant differences. Fat, the liver enzyme differences reactive change significantly (P < 0.05), crude fat content of 7.12%, its highest reactive (24.5853 16ug g Tyr/mg protein.min);Significant changes in sexual intestinal fat Meihuo (P < 0.05), crude fat content of 2.47%, the lowest reactive (16ug g Tyr/mg protein.min 5.8338). Different parts of the digestive organs Meihuo obvious differences : liver pancreas Meihuo sexual than intestinal Meihuo sexual high. Crude fat content of the high-Chek eyes Trout growth rates and Erliaojishu had a great impact experiments showed that fat content in the growth rate of 4.32%, its highest value reached 3.455 Erliaoxishu minimum at around 2.21, the rate of increase is also the highest 120.94. Chek through the eyes of the trout breeding experiments can provide valuable reference materials for Chek eyes Trout physiology and feed formulations provide theoretical basis.
目录:
1.1材料来源
2.实验饲料及其饵料系数和增重率
3.结果与分析
4.讨论

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