摘要
本文通过对陕北延安526只自繁槐山羊的外貌特征、生长发育、繁殖性能、产肉性能、发病等情况观察测定。结果表明,本地自繁槐山羊在外貌特征方面与原产地基本一致,体尺体重指数与原产地接近(P>0.05),羔羊成活率为82.08%,公、母羔初生重分别为2.72±1.18kg和2.69±1.54kg,断奶(3月龄)体重分别为12.25±1.77kg和11.40±4.24kg,周岁体重分别为33.16±3.74kg和26.33±4.79kg,成年羊体重分别为36.15±3.81kg和29.03±6.93kg,8月龄屠宰率为48.09%,净肉率为76.68%,发病率为10.27%,死亡率为2.85%,证明槐山羊在陕北延安表现出良好的适应性。
The 526 local Huai goats were determinated by observing their appearance, grwth, reproduction ability, function of mutton production and incidence of disease. The result shows: Local Huai goat has the similar appearance with the original goat, weight and length are near to the orignal,(P>(0.05),) living rate of lamb is 82.08%, birth weight of femal and male lamb are seperately 2.721.18 kg and 2.69±1.54 kg, weaning (3 months) weight are seperately 12.25±1.77 kg and 11.40±4.24 kg; The weight of one year are seperately 33.16±3.74 kg and 26.33±4.79 kg, adult goat weight are seperately 36.15±3.81 kg and 29.03±6.93 kg, dressing percentage of 8 months is 48.09%, net mutton percentage is (76.68%,) incidence of disease rate is 10.27%, death rate is 2.85%, the result indicate that Huai goat has the better adaptibility in Yanan.
出处
《家畜生态》
2004年第4期77-79,共3页
Ecology of Domestic Animal
基金
延安市政府舍饲养羊品种选择项目资助。
