国内外许多研究证实,母羊早配,一可增加终生生产能力,提高羊只生产效率;二可缩短世代间隔,加快遗传进展及育种进程;三是早配的母羊,其母性强,产羔的难产情况也少。因此,目前有些国家已把母羊的初配年龄提早到6~9月龄,使母羊11~14月龄时产羔。我国的早熟绵羊品种小尾寒羊、湖羊,6~7月龄即可配种,春天出生的羔羊,秋天即可配种。试验证实,母羔由于早配,会使 Many researches at home and abroad confirm that the ewes can be used for a long time, which can increase the capacity of life-long production and improve the production efficiency of the sheep. Second, it can shorten the interval between generations and speed up the genetic progress and breeding process. Thirdly, There are few cases of lamb dystocia. Therefore, in some countries, the initial grazing age of ewes has been raised to 6-9 months so that the ewes can produce lambs at 11-14 months of age. China’s precocious sheep sheep tail, sheep, 6 to 7 months of age can be breeding, lambs born in the spring, autumn can be breeding. Test confirmed that the mother lamb due to premature, will make