猪窝产活仔数与初生窝重及断奶窝重的相关分析  

Correlation analysis among number of littermate, weight at birth,weight at ablactating in Landrace Pigs

作　　者：张慧林[1] 戴晔[1] 宁美艳 武林 

机构地区：[1]西北农林科技大学 动物科技学院,陕西杨陵712100 [2]咸阳市秦都区畜牧兽医站,陕西咸阳712000

出　　处：《畜牧兽医杂志》2004年第6期1-3,共3页Journal of Animal Science and Veterinary Medicine

基　　金：陕西省自然科学基金资助项目

摘　　要：测定西北农林科技大学教学试验农场种猪场健康、繁殖正常的147头长白母猪的窝产活仔猪数(X)、初生窝重(Y1)、断奶窝重(Y2),分别按照窝产活仔猪数分组进行方差分析和性状间的相关回归分析.结果表明:组间差异均呈极显著(P＜0.01),初生窝重的多重比较在窝产活仔猪数为8头和9头,10头和11头,11头和12头之间差异均不显著,其余各组之间差异显著或极显著;断奶窝重在窝产活仔猪数为10、11、12头之间差异均不显著,其余各组之间差异均呈显著或极显著.对窝产活仔猪数(X)与初生窝重(Y1)、断奶窝重(Y2)进行相关分析,其相关系数均达到极显著(P＜0.01)水平.经分析得出窝产活仔猪数在10～12头之间可取得最佳经济效益.Data for this study were collected from 147 sows in pig trial farm of Northwest A&F University. Numbers of littermate( X ),weight at birth( Y1 ),weight at ablactating ( Y2 ) were measured. The weight at birth ( y1 ) and weigth at ablactating ( Y2 ) were very significant difference ( P <0. 01) among groups of different numbers of littermate respectively. The correlation coefficients were calculated and all of them were significance ( P <0. 01) . 10-12 numbers of littermate( X ) commendable get the best economic performance.

关 键 词：初生窝重 仔猪 断奶窝重 窝产活仔数 相关分析 长白母猪 种猪场 农场 差异 经济效益 

分 类 号：S828[农业科学—畜牧学] S858.28[农业科学—畜牧兽医]