| 亚洲49个牛群体体尺性状的多元统计分析 |
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| 引用本文： | 耿社民,常洪.亚洲49个牛群体体尺性状的多元统计分析[J].中国牛业科学,1997,23(4):17-20. |
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| 作者姓名： | 耿社民 常洪 |
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| 作者单位： | 西北农业大学 |
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| 摘 要： | 根据亚洲４９个牛群体成年母牛８项体尺性状进行主成分分析分析与聚类，结果表明，家牛体尺性状的第一主成份的体型大小因子，占总信息量的８６．１％，同时依据主成份值特亚洲４９个捉群（Ｄ＝２．０）分为大、中、小三种类型体格。
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| 关 键 词： | 牛 体尺性状 主成份分析 聚类分析 |
Principal Component Analysis and Classification of Body Characteristics in the Part Cattle Population of Asia |
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| Geng,Shemin\ Chang,Hong\ Qin,Guoqing \ Wang,Yaling.Principal Component Analysis and Classification of Body Characteristics in the Part Cattle Population of Asia[J].China Cattle Science,1997,23(4):17-20. |
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| Authors: | Geng Shemin\ Chang Hong\ Qin Guoqing \ Wang Yaling |
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| Abstract: | According to 8 body characteristics of the adult cow of 49 cattle populations in the Asia were carrying out the principal component analysis and classification. The result indicated that the first principal component of body characteristics of domestic cattle is the body size factor, its occupied 86.1% of total information measure; the 49 cattle populatins were divided into three types (ie. big. medium and small body size) at the same time by applying principal component value. |
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| Keywords: | Domestic cattle Body characteristics Principal component analysis Classification analysis |
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