holstein dairy cow

基本解釋

• [農(nóng)業(yè)科學(xué)]荷斯坦奶牛黑白花奶牛

詞組短語

短語

• holstein -friesian dairy cow 黑白花奶牛

• holstein dairy cow更多詞組

專業(yè)釋義

農(nóng)業(yè)科學(xué)

• 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.
  本試驗采取隨機分組,將60頭年齡、胎次、泌乳期相同,體重和泌乳量接近的澳系荷斯坦奶牛隨機分成三組,各組間產(chǎn)奶量差異不顯著。

• 黑白花奶牛