| 猪的性状相关与聚类分析 |
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| 引用本文： | 王清义,蔡荣先.猪的性状相关与聚类分析[J].信阳师范学院学报(自然科学版),1993,6(4):455-459. |
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| 作者姓名： | 王清义 蔡荣先 |
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| 作者单位： | 信阳农业高等专科学校 464000
(王清义，蔡荣先)，信阳农业高等专科学校 464000(李明彦) |
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| 摘 要： | 对淮南猪82头半同胞测定猪13个经济性状进行相关与聚类分析,结果表明:同类性状间的相关程度较高,不同类的性状相关程度较弱,体长与产肉性能存在强的正遗传相关,与产脂性状存在弱负相关的规律,在选育中加大体长,可提高瘦肉率,这在淮南猪选育中有着非常重要意义;聚类图呈树枝状,基本上将13类性状分为4大类,第一类为增重速度,第二类为肥肉率,第三类为屠宰率,第四类为瘦肉率,与传统的性状分类结果基本相同,而应用多元统计中的聚类分析方法,可将相关程度较高的经济性状聚为一类,清晰地反映在一张图上.
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| 关 键 词： | 相关分析 聚类分析 经济 淮南猪 猪 |
Character Interaction of Pig and Gathering Type Analyse |
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| Wang Qingyi Cai Rongxian Li Mingyan.Character Interaction of Pig and Gathering Type Analyse[J].Journal of Xinyang Teachers College(Natural Science Edition),1993,6(4):455-459. |
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| Authors: | Wang Qingyi Cai Rongxian Li Mingyan |
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| Institution: | Xiangyang Agricultural College |
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| Abstract: | 13 economie character of 82 half-brothers Huainan pig interaction and gathenng type analyse was performed. Result show;similar characters interaction level relatively high,different characters interaction level relatively poor,body long and producting pork performance with strong positive interaction and producting fat performance with poor negative interaction,gathering type picture with htanch type, 13 economie characters are divided 4 types,and traditional character classify result is basic alike. |
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| Keywords: | Interaction analyse Gathering type analyse Economie character Huainan pig |
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