影响6月龄大足黑山羊体质量的体尺指标筛选  

Selection of Body Sizes Influencing Body Weight in the Six-Month Age Dazu Black Goat

作　　者：陈永军[1] 赵中权[1] 张家骅[1] 李周权[1] 王贤海 涂德华 王建国 

机构地区：[1]西南大学动物科技学院,重庆400715 [2]重庆市大足县畜牧局,重庆大足402360

出　　处：《西南师范大学学报（自然科学版）》2008年第5期86-90,共5页Journal of Southwest China Normal University(Natural Science Edition)

基　　金：重庆市科委攻关资助项目(No：8443)．

摘　　要：运用SPSS14.0软件分析6月龄重庆市大足黑山羊公羊、母羊的体尺与体质量相关关系.结果表明:公、母羊的体尺指标均与其体质量有显著的相关性(p<0.05),其中公羊尻高、胸深、体长以直接作用为主,其余则以间接作用为主;母羊胸围、腰角宽、体高、尻高以直接作用为主.公羊最优回归方程:Y=-20.789+0.227 X_2+0.348 X_3+0.433 X_5;母羊:Y=-14.713+0.140 X_1+0.145 X_3+0.321 X_4-0.190 X_8.The correlation of six months＇ Dazu black goat ram, ewe＇s body sizes and body weight was analyzed by the SPSS14.0, The result obtained indicated; the ram, ewe＇s body sizes have significant relevance （p〈0.05） to the body weight, ram＇s buttocks height, chest depth, body length did a function by direct action, and others by indirect function. Ewe＇s chest circumference, thurl width, body height, buttocks height did a function by direct action, the ram optimum regression equation was Y=-20. 789＋0. 227 X2 ＋0. 348 X3 ＋0. 433 X5, the ewe optimum regression equation was Y= -14. 713＋0. 140 X1 ＋0. 145 X3 ＋ 0. 321 X4-0. 190 X8.

关 键 词：大足黑山羊 体尺 体质量 筛选 

分 类 号：S827[农业科学—畜牧学]