北川白山羊品种选育研究初报

The Preliminary Reports on Beichuna whit e Goat Breeding Selection

在查清北川白山羊的品种形成,分布及数量的基础上,经近10年的选育,初步形成了生长快、个体大、产肉性能好、繁殖力高、抗逆性强、被毛为白色的地方优良肉用山羊品种。2000年12月,经专家审定验收,正式命名为北川白山羊。该羊被毛绝大多数为白色,成年公、母羊体重分别为50.20kg和41.0kg;周岁胴体重15.20kg,屠宰率为49.10%;初产母羊产羔率140%,经产母羊产羔率230%;目前,种羊已推广到绵阳、雅安、广元的十多个县、市、区,纯种繁殖和改良本地山羊,效果良好。

Accorcling to the clata of Beich ua n white goat breeding forming,clistribwtions and amounts.After10year breedin g selection.The preliminarly breeding goats have some good characteristics suc h as,grow fast,amount of meat,great ivnviclual,high fertility force;high r esistarnce and wihte wool.Zn.2002.12.It is namecl as Beichuan white go at after,exports,organizing by Sichuan.Farming and food stulf bureau,check a nd accept,the goat.Most of the goat wool is white.The weight of mature buck and ewe are50?20kg and41.01kg,respectively.The carcass weight and slanghter rate of one full year life are15?20kg and49.1%respectively. The rate of lamb born is140%;and the rate of lamb born ewe is230%.N ow breecling ewes have been popularized to Mianyang?Yanan?Guangyuan and so on .They are usecl as purbred,fertility and im proving local goat,which gains go od effects.