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当前位置: 首页 > 文章 > 不同杂交品种和日粮蛋白质水平对肉羊生产性能的影响 中国畜牧杂志 2014,50 (13) 62-65+86
Position: Home > Articles > The Influence of Different Hybrids and Diet Protein Levels on Sheep Production Performance Chinese Journal of Animal Science 2014,50 (13) 62-65+86

不同杂交品种和日粮蛋白质水平对肉羊生产性能的影响

作  者：
武斌;闫秋良;曹阳;金海国;赵玉民;马惠海
单  位：
吉林省农业科学院畜牧分院
关键词：
日粮蛋白质水平;日增重;互作效应;杂种肉羊
摘  要：
选取杜泊♂×小尾寒羊♀(杜寒)F1代22只,南非肉用美利奴♂×东北细毛羊♀(南本)F1代18只,将每个杂交组合肉羊随机分为2组,按生长发育规律分为3个育肥阶段,每一阶段分别饲喂2种不同蛋白水平日粮,研究遗传基础、蛋白水平和生长育肥阶段对肉羊生产性能的影响及其互作效应。结果表明:从主效应上看,遗传基础对杂种肉羊日增重影响极显著(P<0.01),杜寒杂交肉羊日增重极显著高于南本杂交肉羊(P<0.01);从三因素互作效应上看,遗传基础、蛋白水平和育肥阶段在杂种肉羊日增重上存在显著的互作效应(P<0.05),在育肥中期和后期,高蛋白水平下杜寒日增重显著高于南本杂交肉羊日增重(P<0.05);在育肥后期,杜寒杂交肉羊在高蛋白水平下的日增重显著高于低蛋白水平(P<0.05),南本杂交肉羊在高蛋白水平下的日增重极显著低于低蛋白水平(P<0.01)。
译  名：
The Influence of Different Hybrids and Diet Protein Levels on Sheep Production Performance
作  者：
WU Bin;YAN Qiu-liang;CAO Yang;JIN Hai-guo;ZHAO Yu-min;MA Hui-hai;Branch of Animal Husbandry , Jilin Academy of Agricultural Sciences;
关键词：
protein levels;;average daily gain;;interaction effect;;crossbred sheep
摘  要：
The F1 generations of DH(n=22), NB(n=18) were selected as experiment animals. Each of the hybridized combination mea t sheep were randomly divided into two groups, and divided into three fattening stage according to growth development law, and setting high and low two protein levels of diets in every fattening stage. The experiment were conducted to study the influences of genetic basis、protein levels, fattening stages on average daily gain of crossbred sheep and the interaction effect of them. The results showed:(from the main effect, genetic basis had significantly influence on average daily gain of crossbred sheep(P<0.01), the average daily gain of DH was greatly significantly higher than that of NB(P<0.01); From three-factor interaction effects, there was significantly interaction effect on average daily gain of crossbred sheep in genetic basis, protein levels and fattening stage(P<0.05). In the mid and late fattening, under the high protein levels, the average daily gain of DH was greatly significantly higher than that of NB(P<0.05); In the late fattening, the average daily gain of high protein levels was significantly higher than that of low protein levels in DH( P<0.05), the average daily gain of high protein levels was significantly lower than that of low protein levels in NB( P<0.01).

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