1. Clean chicken house cleaning: material bucket, drinking fountain, plastic net, light bulb, temperature and humidity meter, work clothes. Defecation requirements: No chicken dung, feathers, coal ash, etc., clean the roof, walls, doors and windows. 2. Wash the sheds and sterilize them with a disinfectant for external use. Rinse with clean water and dry. Special attention should be paid to the top of the dust to clean the top down, the equipment and the ground before drying can be disinfected, it is best to use Orford or Ant 2000. 3, maintenance work, maintenance of chicken coop equipment; repair net bed; maintenance circuit and heating equipment, equipment can at least ensure that raising a group of chickens, or should be replaced, damaged bulbs all for better. 4. Control the environment to clear the debris outside the house; remove the weeds around the house; make the drainage clear and do not affect the ventilation. 5, outdoor cleaning and repairing roads and cleaning plant area, so that no chicken dung, feathers, garbage. 6. The house is ready to be disinfected. Move the equipment and utensils into the house and close the doors and windows and vents. It is required to be closed tightly without leakage and be ready to sterilize equipment and drugs. 7. Disinfect and disinfect the broiler house, sterilize it 10 hours after disinfection, and close the doors and windows after 3-4 hours of ventilation. All surfaces of the sheds are equipped with high-efficiency, non-corrosive disinfectants for ceiling walls and net beds. 8, install the device barrels drinker equipment into the room, install heating equipment (coal oven, etc.). Tool vehicles and work clothes are delivered. 9. Fumigation Close doors and windows and vents to check if the temperature and humidity meet the requirements. It is best to use solid formaldehyde and potassium permanganate fumigation. The specific requirement is Sherwin's temperature 24°C and humidity 80%.