Publish Time: 2023-01-24 Origin: Site
The premise of effective ventilation is to maintain good airtightness in the Livestock Farming House, to ensure that the outside air enters the house from the set air inlet. Therefore, before ventilating, it is necessary to conduct a comprehensive inspection of the airtightness of each position, including the partition in the middle of the house, the connection between the wet curtain and the house, etc.
Here is the content list:
l Negative pressure ventilation management of chicken house
l Management of ventilation and temperature in chicken houses
When using negative pressure ventilation, only by maintaining a certain negative pressure in the chicken house can the ventilation openings enter the chicken house and have a certain wind speed. The requirements for wind speed are different in each feeding stage. Generally, horizontal ventilation requires a wind speed of 3 to 5 m/s, vertical ventilation requires a wind speed of 1.5 to 2.0 m/s, and the negative pressure of the chicken house is generally maintained at 10 to 15 Pa. The negative pressure of the house is monitored in real-time to avoid excessive negative pressure in the house. On the one hand, if the negative pressure is too large, the airflow rate in the house will be too fast and the temperature will drop too fast, which will easily cause the chickens to be uncomfortable or stressed. It also increases the power consumption of the ventilation equipment.
The location and size of the vents are the main factors affecting the ventilation of the chicken house. In the case of a significant temperature difference between day and night, horizontal and vertical ventilation is required to ensure the temperature of the chicken house. When transitioning from transverse ventilation to longitudinal ventilation or from longitudinal ventilation to transverse ventilation. It is necessary to adjust the size of the air inlet in time to ensure that the wind speed and temperature inside the chicken house are the same as before the change after the ventilation method is changed.
Changes in ambient temperature directly affect the health of the flock in the house. Whether the ventilation management of the chicken house is effective should be judged based on the size of the chicken, body temperature, health status, etc., including observation of food intake, drinking water, singing, mental state, etc. The temperature in the chicken house is generally maintained at 22-24°C in summer. During the day, fans can be activated for ventilation and cooling according to specific conditions. When the temperature in the house is maintained at a relatively high temperature, such as over 40°C, the number, and speed of fans should be increased. In addition, try to cool the house as much as possible at night in summer to remove excess heat from the place.
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