湖羊引入陕西吴起县的适应性分析

Adaptability of Hu-Sheep Introduced to Wuqi County of Shaanxi Province

吴起县既是我国封山禁牧退耕还林还牧第一县,又是延安市养羊的主要基地。随着封山禁牧政策的落实,广大养殖户受传统放牧养羊观念的影响,羊只饲养量出现了明显下降。为了稳定羊只饲养量,实行舍饲养羊。吴起县于2013年引进了繁殖性能良好的湖羊,并对其进行了适应性和生产性能观察,表明湖羊具有较强的适应性,能够适应延安地区的自然环境、气候和饲养管理条件;5~6月龄表现出性成熟,繁殖性能良好,可年产二胎或两年三胎,每胎2~3羔,同时具有良好的肉用特征;湖羊适宜舍饲,比当地羊生长速度快、繁殖率高,肉质好。

Wuqi is not only the first county of grazing prohibition in mountains and graining for green program in China, and also the main basement sheep breeding of Yan＇an City. With the implementation of grazing prohibition policy, feeding a- mounts of sheep is in significant decline as the influence of traditional herding sheep for the general breeding farms. The gov- ernment takes measures to encourage the crowd vigorously to build a sheep farm and implements to breed sheep in the house in order to stabilize sheep breeding. However, the feeding cost of breeding sheep in the house is high. In addition, the sheep used in the past has a low growth rate, even caused economic losses of famers. Our county introduced Hu-sheep whieh have good breeding performance in 2013 and worked the suitability and production performance observation for them. The results showed that Hu-sheep have strong adaptability to the climate environment and breed management condition; Hu-sheep at 5, 6-month- old showed sexual maturity with good reproductive performance; In addition, Hu-sheep are suit to barn feeding than the local sheep breed and have high reproductive rate and good meat quality.