【摘要】 繁殖成活率是养羊业的一项重要综合性经济指标 ,高的繁殖成活性能不仅能增大数量 ,提高经济效益 ,而且能加快羊群周转 ,缩短世代间隔和加速育种进程。本文对新疆南疆绒山羊不同年龄、不同体况的繁殖性能进行了综合比较 ,得出新疆南疆绒山羊 1、2、3岁以上母羊在配种前体重应保持在 2 5～ 32kg ,30～ 36kg ,33～ 4 0kg范围内。更多还原

【Abstract】 Reproducing survive rate is an important integrative economic index , higher reproducing survive performance can not only augment amounts of the herds ,enhance economic benefit, but expedite the velocity of turnover of the herds,shorten generation distance and accelerate breeding course. This paper make a integrative compare on reproducing performance of the Xin Jiang Nan Jiang fine-wool goat their age and body codition are different ,the conclusion is : The ewe’s avoirdupois before hybridization of Xin Jiang Nan Jiang fine-wool goat their age above one ?two?three years year old must be kept in the range from 25-32,30-36,33-40kg.更多还原