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当前位置: 首页 > 文章 > 4种诱食剂对杂交鳢生长和血清生化指标的影响 动物营养学报 2016,28 (8) 2497-2503
Position: Home > Articles > Effects of Four Feeding Attractants on Growth and Serum Biochemical Indices of Hybrid Snakehead Chinese Journal of Animal Nutrition 2016,28 (8) 2497-2503

4种诱食剂对杂交鳢生长和血清生化指标的影响

作  者：
郑晶;蒋余;吴晓清;杨林英;陈效儒;林仕梅
单  位：
重庆市水产技术推广站;通威股份有限公司;西南大学动物科技学院
关键词：
诱食剂;杂交鳢;生长;抗氧化能力;血清生化指标
摘  要：
为评价鱼溶浆、酵母膏、二甲基-β-丙酸噻亭(DMPT)和复合诱食剂对杂交鳢的诱食效果,配制了1种基础饲料(对照组),以及在基础饲料中分别添加2.0%鱼溶浆、2.0%酵母膏、0.1%DM PT和0.1%复合诱食剂的4种试验饲料,饲喂初始均重(17.30±0.03)g的杂交鳢8周。5种饲料等氮等能(粗蛋白质42%,总能18 MJ/kg)。结果显示:添加诱食剂组杂交鳢的终末均重(FABW)、增重率(WGR)和特定生长率(SGR)显著高于对照组(P<0.05),而酵母膏组和复合诱食剂组杂交鳢的FABW、WGR、SGR和摄食率(FI)显著高于鱼溶浆组和DMPT组(P<0.05)。各组蛋白质效率(PER)和饲料系数(FCR)无显著差异(P>0.05)。同对照组相比,鱼溶浆组、酵母膏组和复合诱食剂组杂交鳢的肝体比(HSI)显著降低(P<0.05),脾体比(SSI)显著升高(P<0.05)。而复合诱食剂组杂交鳢的脏体比(VSI)显著低于其他各组(P<0.05)。与对照组相比,鱼溶浆组、酵母膏组和复合诱食剂组杂交鳢的血清胆固醇(CHO)、丙二醛(MDA)含量显著降低(P<0.05),血清总蛋白(TP)含量及超氧化物歧化酶(SOD)、过氧化氢酶(CAT)活性显著升高(P<0.05)。各组血清甘油三酯(TG)、球蛋白(GLOB)含量及碱性磷酸酶(ALP)活性无显著差异(P>0.05)。由此可见,饲料中添加诱食剂可以提高杂交鳢的摄食量,降低血脂水平,同时提高鱼体免疫力和抗氧化能力,进而促进其生长,以酵母膏和复合诱食剂的效果较佳。
译  名：
Effects of Four Feeding Attractants on Growth and Serum Biochemical Indices of Hybrid Snakehead
作  者：
ZHENG Jing;JIANG Yu;WU Xiaoqing;YANG Linying;CHEN Xiaoru;LIN Shimei;Key Laboratory of Freshwater Fish Reproduction and Development,Ministry of Education,Key Laboratory of Aquatic Science of Chongqing,College of Animal Science and Technology,Southwest University;Fisheries Technology Extension Station of Chongqing;Tongwei Co.,Ltd.;
关键词：
feeding attractants;;hybrid snakehead;;growth;;antioxidant ability;;serum biochemical indices
摘  要：
To evaluate the attractant effect of fish soluble,yeast extract,dimethyl-β-propiothetin(DM PT) and compound feeding attractant on hybrid snakehead,five isonitrogenous and isoenergetic diets(crude protein42 %,gross energy 18 M J/kg) were formulated based on a basal diet(control group) by adding 2.0 % fish soluble,2.0 % yeast extract,0.1 % DM PT and 0.1 % compound feeding attractant,respectively,to feed the fish with the initial average body weight of(17.30 ± 0.03) g for eight weeks.The results showed that fish fed diets with attractants presented significantly higher final average body weight(FABW),weight gain rate(WGR) and specific growth rate(SGR) than those of the control group(P < 0.05).Fish of yeast extract and compound feeding attractant groups showed higher FABW,W GR,SGR and feed intake(FI) than those of fish soluble and DM PT groups(P < 0.05).No significant differences in protein efficiency ratio(PER) and feed conversion ratio(FCR) were observed among all groups(P > 0.05).Compared with the control group,fish of fish soluble,yeast extract and compound feeding attractant groups exhibited significantly lower hepatosomatic index(HSI) and significantly higher spleensomatic index(SSI)(P < 0.05).Viscerasomatic(VSI)of compound feeding attractant group was significantly lower than that of other groups(P < 0.05).No significant differences in serum triglyceride(TG),globulin(GLOB) contents and alkaline phosphatase(ALP) activity were observed among all groups(P > 0.05).The results suggest that diets with feeding attractants can improve the feed intake decrease the serum lipid level,and enhance the immunity and antioxidant ability of hybrid snakehead,thus promote the growth.

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