畜禽及其产品的检疫检验工作在我国已开展多年，但在家禽的检疫方面，特别是市、县级以下家禽市场防疫监督工作一直是个薄弱环节，给禽病防治工作带来较大影响。笔者在县级畜禽门诊工作多年，了解到随着市场不断放开，许多养禽户自行上市销售活禽及其产品，他们频频进入市场进 The quarantine inspection of livestock and poultry and their products has been carried out in our country for many years. However, the quarantine inspection of poultry, especially the prevention and control of poultry markets below the county level, has been a weak link and has had a great impact on the prevention and control of poultry diseases. After years of working in county-level livestock clinics, I learned that as the market continues to be liberalized, many poultry farmers market their live poultry and their products on their own and they frequently enter the market