野牦牛与家牦牛六个方面比较

Comparison and Analysis of Wild Yak and Domestic Yak

牦牛是一种古老的牛种,距今200万年前就已经出现在地球上。我国是世界上家牦牛数量、品种最多的国家,有家牦牛1400多万头,约占世界家牦牛总数的95%以上。被称为"高原之舟"的牦牛,是青藏高原特有畜种,仅青海省就有牦牛490余万头,约占全世界的1/3。本文主要对青海家牦牛和野牦牛的分布及概况、外貌特征与繁殖方式、饲养管理、生产性能和抗病力等方面进行对比分析,发现野牦牛喜欢群居,善于攀高涉险;野牦牛的繁殖情况基本与家牦牛相似;野牦牛比家牦牛抗病性能好。

The yak is an ancient breed of cattle that has appeared on Earth since 2 million years ago. China is the country with the highest number and variety of yak in the world, with more than 14 million yaks, accounting for more than 95% of the total number of yak in the world. The yak known as the ＂boat of the plateau＂ is a unique breed of livestock in the Qinghai-Tibet Plateau. In Qinghai Province alone, there are more than 4.9 million yaks, accounting for about one-third of the world＇s total. This article mainly analyzes the distribution and general situation, appearance characteristics and breeding methods, feeding and management, production performance and disease resistance of Jiayin and Yak in Qinghai. It is found that wild yak likes to live in groups and is good at climbing risks; the breeding of wild yaks. The situation is basically similar to that of domestic yak; wild yak has better disease resistance than domestic yak.