布尔山羊与关中奶山羊杂交改良效果分析  

Effect analyses on crossing improvement of Boer goat and Guan zhong daing goat

作　　者：曹斌云[1] 张万民[2] 魏志杰 闫红军[1] 

机构地区：[1]西北农林科技大学,杨陵712100 [2]宝鸡市农业局3.陕西省布尔羊良种繁育中心 [3]陕西省布尔羊良种繁育中心

出　　处：《畜牧兽医杂志》2000年第5期10-12,共3页Journal of Animal Science and Veterinary Medicine

摘　　要：布尔山羊与关中奶山羊杂交一代羔羊的外貌体型近似母本 ,体尺、体重、适应性等趋向父本。杂交一代羔羊的初生重 (3 .5kg)与关中奶山羊的初生重 (2 .9kg)差异极显著 ,杂交一代羔羊 1月龄体重 (7.8kg)与关中奶山羊 1月龄体重 (6.6kg)差异不显著 ;2月龄体重和 3月龄体重分别高出关中奶山羊 2 .6kg和 3 .2 kg,差异极显著 ,杂交一代羔羊 2月龄日增重 (1 3 6.7g)与关中奶山羊 2月龄日增重 (90 .5g)差异极显著 ,杂交一代羊平均屠宰率为 4 3 .76% ,净肉率为 3 3 .3 6% ,分别高于关中奶山羊 9.57%和7.2 6% ;Type appear ance of F1 (Boer goat x Guan zhong daily goat) was Similar the Guan zhong daily goat,but body Size and body weight of F1 was alike the Boer goat.The birth wesgnt was of significant difference than the Guan zhong dairy goat (p<0.01),and the 90 d body weight of F1 was 3.2 kg heavier than the Guan zhong daily goat (p<0.01),and God daily gain was heavier than the Guan zhong dairy goat,and the dressing percent and the clean meat percent were more than the Guan zhong dairy goat.

关 键 词：布尔山羊 关中奶山羊 杂交改良效果 

分 类 号：S827.32[农业科学—畜牧学] S827.2[农业科学—畜牧兽医]