麦洼牦牛体型线性性状对体重的影响  

The Influence of Meiwa Yak's Body Linear Traits on Body Weight

作　　者：文勇立[1] 林小伟[2] 钟光辉[1] 左学明[3] 纳花 

机构地区：[1]西南民族学院生命科技学院,四川成都610041 [2]四川省畜禽改良总站 [3]阿坝州家畜改良站 [4]四川省龙日种畜场

出　　处：《畜禽业》2002年第8期X004-X006,X025,共4页Livestock and Poultry Industry

基　　金：四川省畜牧食品局95重点科技项目"麦洼牦牛种质资源保存与开发利用研究"

摘　　要：对麦洼牦公牛37头和牦母牛55头的胸围、体长等7个线性性状与体重的关系进行了回归分析和通径分析。牦公牛体重的重要相关性状是胸围,在对体重的间接选择时,要特别重视对胸围的选择,同时也应注意对胸宽、体长、体高和管围4个性状的选择。牦母牛的重要相关性状是体长,对体重间接选择时应特别重视对体长的选择,同时也要注意对胸围、胸宽、胸深和体高4个性状的选择。The relationship between Seven body linear traits and body weight of37adult male and55female of Meiwa yaks is analyzed by regression and path analysis.The heart girth is the important correlation trait of weight of male and it ought to be regarded when indirect selection method for weight is applied as well as the cheast width,the body length,the height at withers and the circumference of cannon bone should be regard.The body length is the important correlation trait of weight of female and it ought to be regarded as well as the heart girth,the chest width,the chest depth and the body height should be regarded.

关 键 词：麦洼牦牛 体型线性性状 体重 通径分析 回归分析 育种 

分 类 号：S823.85[农业科学—畜牧学]