holstein dairy cow

基本解释

• [农业科学]荷斯坦奶牛黑白花奶牛

词组短语

短语

• holstein -friesian dairy cow 黑白花奶牛

• holstein dairy cow更多词组

专业释义

农业科学

• 荷斯坦奶牛

  In this study, 60 Holstein dairy cow at the same age, birth order and lactation length were randomly divided into three groups. And there was no difference among three groups in milkyield.
  本试验采取随机分组,将60头年龄、胎次、泌乳期相同,体重和泌乳量接近的澳系荷斯坦奶牛随机分成三组,各组间产奶量差异不显著。

• 黑白花奶牛