(1) The site selection of poultry farms should meet the epidemic prevention requirements ① The site selection of breeding farms should be leeward and sunny, with high and dry terrain, sufficient water sources and convenient drainage. Chicken farms should be far away from villages and towns, institutions, schools, factories and residential areas, and keep a certain distance from railways, highways and transport rivers. (2) Strictly disinfect the breeders and carriers, and cut off the external sources of infection. ① Set a disinfection pool at the entrance and exit of the chicken farm. ② Disinfection facilities should also be set for people who leave the poultry house, and the breeders should be disinfected when they leave the poultry house. (3) Foreigners must be strictly disinfected before entering the site. ④ All utensils in the poultry house shall not be mixed, and the breeder shall not go to the poultry house outside his duties at will. Anyone who enters the poultry house must change into work clothes. ⑤ Generally, the rotating egg box should be soaked and disinfected with 2% caustic soda water, and then washed with clear water. It is best to use the special charging bags in this field, and don't mix them. In case of carrying human pathogens. (3) Establish a general medical and health system in the field ① Don't mix the reserved poultry or newly purchased poultry with adult poultry to prevent relay infection of diseases. (2) The sinks and pools should be kept clean and disinfected regularly. Feces should be removed regularly. ③ Thoroughly disinfect poultry containers and utensils before poultry is transferred to chickens or poultry houses. ④ Regular immunization and drug prevention of poultry. ⑤ Poultry farms should attach importance to and do a good job in killing rats, mosquitoes and flies. (4) Strengthen the management of poultry feeding and improve the disease resistance of poultry. The nutritional level of diet not only affects the productivity of poultry. And the lack of some ingredients will lead to corresponding deficiencies. So be sure to buy feed from a regular feed factory, and be careful not to store it for too long to prevent mildew and caking. Self-made diet should pay attention to the quality of raw materials to avoid the disconnection between diet formula and practical application. (2) Give children a suitable ambient temperature. Appropriate ambient temperature is beneficial to improve the production capacity of poultry. Too high or too low temperature will affect the health of poultry and easily cause respiratory diseases of poultry. (3) Keep good ventilation conditions. The feces and residual feed in poultry houses will produce a lot of ammonia under the action of bacteria, and the gas discharged by poultry breathing is very harmful to poultry. In order to reduce the harmful gases contained in poultry, on the one hand, you can open the window or use an exhaust fan to exhaust air, and don't suddenly cool down. On the other hand, you should keep the ground dry and sanitary to reduce the production of ammonia. ④ Maintain a reasonable feeding density. The density is too high, the poultry are crowded, and the harmful gases in the air increase, so the merchants are prone to white leisure disease, coccidiosis, colibacillosis and chronic respiratory diseases. ⑤ Minimize the stress response of poultry. It's too loud Transfer, drug injection and abnormal clothing and behavior of breeders are all stresses on poultry, and chickens are prone to coccidiosis and bursal disease when stressed. (5) Establishing the system of handling medical epidemic situation in Shandong ① General medical and epidemic prevention personnel should go deep into chicken coops every day to observe and diagnose the epidemic situation immediately. ② When infectious diseases are found, isolate sick birds, bury dead birds or burn them. For some serious infectious diseases (such as Newcastle disease, etc. ), should promptly report to the superior good medical institutions, to block the chicken farm, and emergency vaccination, until the last sick chicken no longer appears within half a month after the death, can report to the superior department to lift the blockade. (3) Polluted poultry houses and utensils should be disinfected, and poultry excreta should be piled up and fermented before being transported out of the field.