Disinfection is an important part of comprehensive prevention and control measures. The purpose of disinfection is to eliminate pathogens in the environment and cut off the route of transmission. Stop the spread of the disease. (1) Under normal circumstances, the drinking trough and feed trough should be disinfected once a week; the quarters, aisles, and grazing quarters should be disinfected once a month; the maternity ward should be fully disinfected before each lambing; the new sheep should be bought and transferred. Swarms and slaughter rings should be disinfected. Epidemic should be fully disinfected every day. (2) Disinfection methods include physical disinfection, biological disinfection, and disinfection of chemical drugs. Physical disinfection is mainly used ultraviolet disinfection, biological disinfection is the accumulation of fermentation of feces, dirt, the most common or the use of chemical drugs for disinfection. (3) When disinfecting, clean the feces and urine dirt in the sheep house and playground, and spray the disinfectant. Disinfectant can be used alternately with 10% - 20% lime milk, 2% - 5% sodium hydroxide, 0.5% peracetic acid, 3% formalin and so on. China Extract Powder For Use As Dietary Supplement Extract Powder, Extract Powder Manufacturer Shaanxi Kang New Pharmaceutical co., Ltd. , https://www.kangnewpharmas.com