The German Holstein cows rank among the world's best of Holstein breed.

德国的荷斯坦奶牛是世界最好的荷斯坦种群。

Stomachs morphology of 31 heads of Holstein newborn calves were observed.

对31头新生荷斯坦犊牛胃进行了观测。

All cows on this farm are called Holstein imported from Australia and New Zealand.

这个牧场的奶牛全部是澳大利亚和新西兰进口的荷斯坦奶牛。

Forty-two lactating Holstein cows were used in a randomized complete block design.

采用完全随机化区组设计进行试验。

Ninety percent of the U.S. milk supply, for example, comes from the Holstein breed of cattle.

比如说，美国百分之九十的牛奶来自于霍斯坦牛种。