Prerequisite for dairy offspring hereditary character improved and cow herd gene frequency changed was the work of dairy cattle breed selection and individual planned mating.

  • 奶牛育种的选种和选配工作,是改善后代优良遗传性状、改变群体基因频率的前提条件。

  • 互联网摘选 2025-01-20 00:20:16

    • 相关例句
    精确
    • 模糊
    • 词首
    • 词尾
    • 词义
    • 例句