• The preventive effects of ceftiofur sodium on an experimentally induced colibacillosis in day-old chicks were evaluated by single subcutaneous injection prior to the inoculation of e.

    通过预先颈部皮下注射头孢评价其对1日龄雏鸡试验性诱导大肠杆菌病预防效果

    youdao

  • The preventive effects of ceftiofur sodium on an experimentally induced colibacillosis in day-old chicks were evaluated by single subcutaneous injection prior to the inoculation of e.

    通过预先颈部皮下注射头孢评价其对1日龄雏鸡试验性诱导大肠杆菌病预防效果

    youdao

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