科尔沁农牧交错区辽宁绒山羊体重与体尺的相关性分析

Correlation Analysis between Body Weight and Body Size of Liaoning Cashmere Goat in Horqin Pastoral Transitional Zone

本研究应用通径分析理论,对饲养于吉林省白城地区的350只3~6岁辽宁绒山羊的体尺与体重进行了相关性分析,并建立了最优回归方程。结果表明,饲养于科尔沁农牧交错区的辽宁绒山羊体重与体高、体长、胸围、胸宽、胸深间均呈极显著正相关(P【0.01)。对体重起决定作用的体尺性状是胸围和胸宽,体尺性状与体重的最优回归方程为:Y=0.071X2+0.712X3+0.165X4+0.081X5。

In this study, 350 3~6 years old Liaoning Cashmere goats in Baichen Jilin province were used as experimental animals, the correlation between body size and body weight was studied with the methods of path analysis, and the optimal regression equation was established. The result showed that, there was a significant positive correlation between body weight and body height, body length, chest, chest width, chest depth of Liaoning Cashmere goats in Horqin Pastoral Transi-tional Zone(P<0.01). The chest and chest width of body size had a decisive effect on body weight, the optimal regression equation of body size and body weight was: Y=0.071X2+0.712X3+0.165X4+0.081X5.