When undertaking alexipharmic to contaminative birdhouse, must clean with eradicator first with defecate, solution of accept of second chloric acid disinfects reoccupy, use formalin and potassium permanganate fumigation finally.

• 对污染的禽舍进行消毒时，必须先用去污剂清洗以除去污物，再用次氯酸纳溶液消毒，最后用福尔马林和高锰酸钾熏蒸消毒。