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当前位置: 首页 > 文章 > 几种氨基酸对哲罗鱼生长、消化酶活性及血液生化指标的影响 东北农业大学学报 2011,42 (6) 61-68
Position: Home > Articles > Effect of amino acids on growth,digestive physiology and serum biochemical indice of Hucho taimen Journal of Northeast Agricultural University 2011,42 (6) 61-68

几种氨基酸对哲罗鱼生长、消化酶活性及血液生化指标的影响

作  者：
王常安;徐奇友;许红;尹家胜;孙大江
单  位：
中国水产科学研究院黑龙江水产研究所
关键词：
哲罗鱼;氨基酸;生长;生理;生化
摘  要：
试验旨在研究了低鱼粉含量配合饲料中添加4种晶体氨基酸对哲罗鱼(Hucho taimen)摄食、生长、体成分、消化酶和血液生化指标的影响。试验设1个对照组,4个处理组,处理组分别添加0.5%L-谷氨酸(L-Glu)、0.5%L-丙氨酸(L-Ala)、0.5%甘氨酸(Gly)、0.5%L-脯氨酸(L-Pro)。每处理组设3个重复,每重复50尾鱼。哲罗鱼初重为9.29±0.34 g,流水饲养56 d。结果表明,饲料中添加0.5%L-Glu、0.5%L-Ala、0.5%Gly或0.5%L-Pro后,哲罗鱼的摄食率分别为112.33%±10.58%,112.57%±5.20%,115.27%±16.67%,119.09%±12.75%;增重率分别为66.63%±10.34%,67.94%±1.51%,66.75%±8.28%,67.94%±4.93%;饲料系数分别为1.70%±0.12%,1.66%±0.06%,1.74%±0.72%,1.75%±0.06%;但均与对照组无明显差异(P>0.05)。添加4种晶体氨基酸对全鱼水分、粗蛋白、粗脂肪和粗灰分均无显著影响(P>0.05)。各处理组胃、前肠+幽门盲囊、后肠和肝蛋白酶、脂肪酶和淀粉酶活性均差异不显著(P>0.05)。各处理组血清总蛋白、白蛋白、球蛋白、谷丙转氨酶、谷草转氨酶、血糖、甘油三酯等均未发生显著变化(P>0.05)。低鱼粉饲料中添加4种晶体氨基酸对哲罗鱼促摄食效果不明显,对鱼体营养成分、消化和免疫机能无显著影响。
译  名：
Effect of amino acids on growth,digestive physiology and serum biochemical indice of Hucho taimen
作  者：
WANG Chang'an,XU Qiyou,XU Hong,YIN Jiasheng,SUN Dajiang(Heilongjiang River Fisheries Research Institute,Chinese Academy of Fisheries Sciences,Harbin 150070,China)
关键词：
Hucho taimen;amino acid;growth;physiology;serum indice
摘  要：
To study the effects of amino acids on feed intake,growth,proximate composition,digestive enzyme activities and serum indices of taimen,five lower fish meal diets were formulated.Adding to the diet with 0.0% amino acid,0.5% L-Glutamate,0.5% L-Alanine,0.5% Glycin and 0.5% L-Proline respectively,each diet was randomly assigned to triplicates of 50 fish.The taimen that initial body weight was(9.29±0.34) g,and were raised in flow through system for 56 days.The results showed that feed rate was 112.33%±10.58%,112.57%±5.20%,115.27%±16.67% and 119.09%±12.75%,respectively;weight gain rate was 66.63%±10.34%,67.94%±1.51%,66.75%±8.28% and 67.94%±4.93%,respectively;feed conversion rate was 1.70%±0.12%,1.66%±0.06%,1.74%±0.72%,and 1.75%±0.06%;but there was no significant difference in feed intake,compared with the control group,respectively(P>0.05).No significant difference was seen in moisture,crude protein,crude lipid,crude ash of body among the groupsrespectively(P>0.05).There was no significant difference in protease,lipase and amylase activities of stomach,foregut+pyloric caeca,hindgut and liver respectively(P>0.05).The total protein,albumin,globulin,alanine transaminase,aspartate aminotransferase,glucose,glycerinate and etc.also had no differences,respectively(P>0.05).The plant protein-rich diet supplemented with 0.5% L-Glutamate,0.5% L-Alanine,0.5% Glycin and 0.5% L-Proline respectively couldn't improved the feeding,proximate composition,digestive function and immunity of the taimen.

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