1. Temperature. The suitable temperature for laying hen house should be 13°C～23°C, the most suitable temperature is 16°C～20°C, the temperature difference between the vicinity of the ceiling and the ground does not exceed 2.5°C～3.0°C, and the temperature difference between the wall and the center of the chicken house does not exceed 39°C. °C. Door closures can be used to seal the windows, set wind barriers, paint the walls, add insulation materials to the ceiling, increase stocking density, use multi-layer cages, and hay to pave the ground. 2. Humidity. Under the premise of guaranteeing the temperature, the relative humidity in the house is guaranteed to be 50% to 60%, and the amount of water in the house should be reduced as much as possible. Strengthen the chicken house insulation, do not allow the temperature to fall below 0 °C to prevent condensation of water vapor. The ground is covered with hay and aired in time. Timely removal of contaminated toilet waste. Ensure that the ventilation system is good and discharge excess water vapor in time. 3. Airflow. The air speed around the chicken body is 0.1-0.2 m/sec, and the maximum is not more than 0.25 m/sec. The air introduced into the house should be evenly distributed to all parts of the house to prevent unevenness and dead angle and prevent direct blow. Chicken body. Block all gaps on the roof, ceiling, doors and windows. Organic Green Tea,Steamed Green Tea,Green Tea Fannings,Organic Green Tea Powder SHAOXING ROYAL TEA VILLAGE CO.,LTD , https://www.yccmatcha.com