1. Know how to ventilate the house and use it skillfully. Horizontal negative pressure ventilation, because the fan installed in the side wall and gable position is different, so that the static pressure in the chicken house, the size of the air inlet, wind speed, wind direction are different, in production management to be treated differently, the wind speed inside the house to 0.1 Meters per second is appropriate.
2, to prevent the cold wind hit the chicken body. The cold wind inside the house may come from the cracks of the doors, windows, etc. The local wind speed can sometimes reach 5-6 meters per second and must be blocked; sometimes the cold wind comes from the dung opening of the ditch, and the flaps must be installed at the opening of the dung to protect the cold.
3, open-style chicken house is best to set up wind barriers in the northwest, to prevent the northwest wind hit the chickens, the chicken house can be sealed north window, to the door of the chicken coop hanging curtains and so on.
4. Under extremely low temperature conditions, the small inlet window can be opened one at a time, and the opening is controlled at the lowest level. Appropriate array of gusts during the excrement, each 10-15 minutes. Because the most suitable temperature for laying hens is 18 degrees Celsius to 25 degrees Celsius, if the temperature drops below 13 degrees Celsius, the egg production rate will begin to decline, and the low temperature duration will also cause upper respiratory tract diseases. Therefore, the open chicken house can open the window of the sunny side after 9am, illuminate the sun, regulate the temperature, look at the weather forecast in the afternoon, and promptly close the doors and windows.
5. In winter, the chicken house is mainly insulated and supplemented with ventilation. During the day, according to the air quality in the house, intermittent ventilation can be adopted. If conditions permit, the temperature controller can be installed in the house, and the opening and closing of the fan and the small window can be adjusted according to the set target temperature, which can effectively solve the contradiction between ventilation and heat preservation.
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