Before entering chickens, it is essential that chicken houses and utensils are cleaned and sterilized beforehand to prevent chicken diseases and eliminate chicken diseases. First, the ground and walls can be used 10% quicklime water or 2% hot caustic soda water, 1:300 germ poisoning enemy or exterminator spirit, 5% to 10% of the stench spray, disinfect the ground wall to spray wet. It is worth noting that the use of two or more disinfectants should be separated by 3 to 4 days. Second, the trough, sink or other utensils can be used 3% of the Soviet Union or 0.1% benzalkonium bromide solution soak for 2 hours, then wash dry and spare. Third, the sheds were formalized with formalin and potassium permanganate. Per square meter of space with 15 grams of potassium permanganate, formalin 30 ml, temperature 22 degrees Celsius to 32 degrees Celsius, relative humidity 70%, when the disinfection of closed doors and windows fumigation 24 hours, and then open the doors and windows to discharge gas can be use. Fingerprint Scanner,Biometric Fingerprint,Bluetooth Fingerprint Scanner,Wireless Fingerprint Scanner Chongqing Huifan Technology Co., Ltd , https://www.huifantech.com