Abstract: The technical parameters of the SPF chicken room were checked to con firm whether an overhaul was needed. The steps included cleaning up the room, shutting off the machines, ster ilization, replacing the strainer, mending the central air-condition and final sterilization.

Key words: SPFchicken, Purify, Bio-clean house, Overhaul

摘要： 对SPF鸡舍运行的环境技术参数进行监测 ,确认是否合乎洁净室净化标准。大修内容主要包括清理鸡舍 ,消毒 ,更换过滤器和维修中央空调等。

关键词: SPF鸡, 净化, 生物洁净室, 大修