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《Hubei Agricultural Sciences》 2008-02
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Phenotype Correlation and Regression Analysis of the Main Economic Character in Sa-Tao-Han Three Breeds Hybridized Sheep

JIA Cun-ling1,2,WEI Ze-hui2,KONG Xiang-hao1,ZHANG Yu-zhi1,JIA Zhi-hai1(1.College of Animal Science and Technology,China Agricultural University,Beijing 100094,China; 2.College of Animal Science and Technology,Northwest A & F University,Yangling 712100,Shanxi,China)  
The phenotype correlation between body size and body weight,the direct and indirect effect of body size on body weight of hybridized sheep(S×(D×H))were analyzed by SAS software,and the optimum regression equation was established subsequently.The results indicated that there were significant relations between body size and body weight of the lamb(P0.01).Chest depth and chest girth were the major body size factors affecting the body weight.Therefore,the chest depth and chest girth should be considered at the same time for selecting body weights.
【Fund】: 国家高技术研究发展计划项目(2002AA241181);; 西北农林科技大学科研启动基金项目(01140403)
【CateGory Index】: S826
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