高产奶牛福利

近20年，荷斯坦牛成为优势奶牛品种，营养改善促使奶牛产奶量大幅度增加，工厂化管理致使奶牛运动量减少、生产性疾病频发，奶牛康乐受到严重威胁，因此，改善高产奶牛福利的呼声高涨。本文以生产性疾患为中心，从规模化生产、遗传改良、畜舍环境等角度讨论了高产奶牛的福利问题。

The High Productivity Cow's Welfare

In the past 20 years, the variety of the Holstein has been become the dominance dairy cattle breed. High nutrition level promote the milk yield of dairy cattle increase by a large extent, the factory management makes the amount of exercise reduce, the producing diseases raise and threatens seriously the health and happiness of the cow, so the voice of improving the welfare of the high producing animal runs high. The article point out the production diseases, discuss the welfare of the high producing diary cattle in relation to intensive, genetic factor and effect of housing and environment, etc.