First, prepare the environment control and related equipment materials in advance. Pig farmers should do a good job of pig house renovation in advance, open the doors and windows in good weather, open the fan ventilation. Second, increase the stocking density. A pig shop is a "heat source", that is, the higher the density, the higher the temperature. Third, it is to reduce the humidity of the piggery. The more humidity in a pig house, the greater the amount of calories lost to the pig and the colder the pig feels. Fourth, it is anti-thief wind. The thief’s wind attacked the pigs through the crevices of the pens. Fifth, it is to strengthen the feeding and management of herds to avoid stress factors. According to the nutritional needs of the pigs at various stages of the rational diet, to provide a comprehensive and balanced feed nutrition. Sixth, we insist on self-cultivation and self-cultivation to prevent insidious infection of pigs into pathogens. Seventh, it is to improve pig herd immunity and improve herd immunity in advance. 8. Ready to adjust feed formulation at any time. Nine, it is to strengthen pig health care and enhance pig resistance. X. It is an all-round advancement of the biosafety system. Pig farmers should establish a strict disinfection system, in the all-in and full-out pig houses, after the slaughter of pigs to conduct a thorough disinfection, to build a microecological balance in the stables, inhibit pathogens and reduce the incidence. medical Angio Closure Pad,angio syringe,Angio Closure Pad Anesthesia Medical Co., Ltd. , https://www.trustfulmedical.com