摘要
对青藏高原不同生态区的高原型藏山羊和山谷型藏山羊,应根据分布地区的生态条件和遗传资源特点,分别进行本品种选育和应用绒用、毛用、肉用及乳用品种进行改良,以保存其适应当地生态条件的基因,提高其生产性能,分别向绒用、毛用、肉用和乳用方向发展.高原型藏山羊,在海拨4000m左右的高寒地区,开展本品种选育,向绒肉兼用方向发展;由高原地貌向山谷型地貌过渡地带(海拔3000m)的地区,应用绒山羊品种改良提高产绒性能.山谷型藏山羊,在海拔2000~3000m温暖干旱地区,应用绒用山羊改良,生产山羊绒,在海拔2000m以下温暖干旱地区,应用安哥拉山羊杂交改良山谷型藏山羊生产马海毛;在温暖湿润地区,应用肉用、乳用山羊品种改良。
The breed improvement of tibetan goats both of plateau type and Valley type which scatter in different ecological zoons are discussed.It is suggested that the animal should be improved by crossbreeding with the goat breeds of hair,down,meat and milk according to their ecological conditions and characters of genetic resources.While genes for adaptability to local ecological conditions of Tibetan goats are protected,their down performance must be improved.The purpose of improvement is to increase hair,down,meat and milk production.
出处
《西南民族学院学报(自然科学版)》
1997年第2期196-200,共5页
Journal of Southwest Nationalities College(Natural Science Edition)
关键词
藏山羊
遗传资源
保存利用
生态区
青藏高原
Tibetan goats,genetic resources,conservation and utilization,ecological zoons