丙氨酰-谷氨酰胺对德国镜鲤幼鱼(Cyprinus carpio L.)血清生化指标及体组成的影响  

Effect of Alanyl-Glutamine on Serum Biochemical Index and Body Composition of Juveniles German Mirror Carp(Cyprinus carpio L.)

作　　者：朱青[1,2] 徐奇友[2] 王长安[2] 许红[2] 尹家胜[2] 

机构地区：[1]东北农业大学动物科技学院,黑龙江哈尔滨150030 [2]中国水产科学研究院黑龙江水产研究所,黑龙江哈尔滨150070

出　　处：《水产学杂志》2009年第4期12-15,共4页Chinese Journal of Fisheries

基　　金：现代农业产业技术体系建设资金;黑龙江水产研究所基本科研业务专项(2009HSYZX-YZ-01)

摘　　要：选用270尾初始体重(12.97±0.18)g的德国镜鲤幼鱼,随机分为6组,每组3个重复,每个重复15尾。I组为对照组,饲喂基础日粮,Ⅱ、Ⅲ、Ⅳ、Ⅴ、Ⅵ组为试验组,分别饲喂在基础日粮中添加丙氨酰-谷氨酰胺(Aln-Gln)0.25,0.5,0.75,1.0和1.5%的日粮,试验期为12周,观察Aln-Gln对镜鲤血清生化指标及营养组成的影响。结果显示:与对照组相比,各试验组血清总蛋白和球蛋白含量显著升高(P<0.05);添加高剂量Aln-Gln(1.5%)试验组血清白蛋白显著提高(P<0.05);各组的血清谷丙转氨酶、谷草转氨酶及碱性磷酸酶活性差异不显著;各试验组全鱼粗蛋白质含量升高,其中Ⅳ、Ⅴ和Ⅵ组显著升高(P<0.05);各组的粗水分、粗脂肪和灰分含量差异不显著。结果表明,日粮中添加一定量的Aln-Gln能够显著促进鲤鱼幼鱼营养代谢,提高全鱼蛋白含量。A 12 weeks feeding trial was conducted to study the effect of dietary alanyl-glutamine （Aln-Gln） on serum biochemical indices and body composition of juveniles German mirror cap （Cyprinus carpio L）. Two hundred and seventy carp with an average body weight of （12.97 ± 0.18）g was randomly allocated into 6 groups with 3 replicates of 15 fish.Group Ⅰ,as the control group,was fed with the basal diet, while group Ⅱ,Ⅲ,Ⅳ,Ⅴ and Ⅵ ,as the trial groups,were fed with the basal diet added with 0.25, 0.5, 0.75, 1.0 and 1.5% Aln-Gln respectively. The results showed that compared with the control group, serum TP and GLB levels were improved significantly with increasing dietary Aln-Gln supplemental levels （P〈0.05）. Adding 1.5% of Aln-Gln in diet improved serum ALB levels （P〈0.05）. Serum ALP, GPT and GOT activities were not influenced by supplementation of different levels of Aln-Gln （P〉0.05）. Whole-fish protein content was increased and showed a significant increase in group Ⅳ, Ⅴ and Ⅵ（P〈0.05）, while no difference was observed in moisture, lipid and ash between treatments （P〉0.05）. In conclusion, nutrition metabolism and whole fish protein content could be improved by adding Aln-Gln.

关 键 词：丙氨酰-谷氨酰胺 血清生化指标 体组成 鲤鱼 

分 类 号：S942[农业科学—水产养殖]