Abomasal ulceration was found in 224 ( 79.4 % ) of 282 slaughtered beef cattles. The morbidity is high.

  • 本文应用眼观和病理组织学方法,对282头商品肉用牛皱胃检测, 证实胃溃疡病存在,发病率高,达 79.4%.

  • 互联网摘选 2025-01-18 10:15:35

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