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噻呋钠,评价其对1日龄雏鸡试验性诱导大肠杆菌病的预防效果。
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