欧拉羊种公羊适应性观察与杂交改良乔科羊繁殖力分析  

Adaptability observation of Oula Tibetan buck and Analysis individual fecundities of crossbreeding Qiao-Family Tibetan

作　　者：郭淑珍 牛小莹 格桂花 赵光平 才让闹日 王文飙 杨秀兰 张玉珍 张亚林 红卫东 马辉玉 尕旦吉 

机构地区：[1]甘南藏族自治州畜牧科学研究所,甘肃合作747000 [2]甘肃省甘南藏族自治州大水种畜场

出　　处：《畜牧兽医杂志》2011年第1期15-17,共3页Journal of Animal Science and Veterinary Medicine

摘　　要：欧拉羊引入甘南州大水种畜场和碌曲县尕海乡、郎木寺镇等地改良乔科羊的肉用性能,引入的欧拉羊种公羊行为表现正常,抗寒、抗病能力较强,发病率为7%以下,死亡率在3%以下。繁殖性能和生长发育良好,主要生理生化指标都在正常范围之内。欧拉羊杂交改良乔科羊的繁殖力分析结果表明,用欧拉羊杂交改良乔科羊试验组的母羊受胎率、繁殖率、羔羊成活率及繁殖成活率均比当地乔科羊本交对照组分别提高1.45%、1.07%、4.06%和4.71%。introduct Oula Tibetan crossbreed Qiao-Family Tibetan in Dashui Breeding Farm of Gannan Tibeit Autonomous Prefecture,Gahai villiage and Langmusi town Luqu,the buck＇s behavior showed normal, Cold, disease resistant were strong, disease rate is lower7% , death rateis lower 3% , reproductive performance and growth were better, the primary index of physiological and biochemical was within the normal range,the results showed that the conception rate, reproductive rate, lamb survival rate and reproduction survival rate Of experimental group increased by 1.45% , 1.07% , 4.06% and 4.71% than the contrastive group＇s relevant to index.

关 键 词：欧拉羊种公羊 适应性 杂交改良 乔科羊 繁殖力 

分 类 号：S826.9[农业科学—畜牧学]