3.The application of temperature-controlled continuous ventilation options
For higher outside temperatures and late breeding, when the minimum ventilation can not meet the normal ventilation and cooling of the chicken coop, it is necessary to combine fan temperature control, or vertical continuous ventilation to meet the cooling needs of the chicken coop (especially the noon and afternoon time period).
In the actual farming management, there are many managers in the cold season to take temperature control continuous ventilation, and farming is also very successful, cold season to take temperature control continuous ventilation should consider boiler heating, can fully meet the chicken coop temperature and ventilation needs, and then there is the chicken coop span and length should not be too large.
At the same time, attention should be paid to keep the chicken house into the wind speed and negative pressure must be relatively stable, into the wind direction and drop point requirements accurate and reasonable can not cause cold stress in the flock, while according to the outside temperature at various times of the day to adjust the number of small window size angle fan.
The advantage of temperature-controlled continuous ventilation is that in the warm season can fully meet the ventilation and cooling needs of the chicken coop, and the air inlet and fan, and boiler heating and water curtain cooling system always around the chicken farms required to open the target temperature, the chicken coop environment temperature is relatively stable.
The disadvantage of taking temperature-controlled continuous ventilation in the cold season is that it consumes energy, and then it cannot meet the uniform and effective ventilation of large cage chicken coops with minimum ventilation, and when the air inlet and fan are opened mismatched, it is easy to cause negative pressure in the chicken coop, and the wind speed changes greatly to form a small cycle or ventilation dead space to increase the temperature difference in the chicken coop, causing local cold stress in the chicken flock.
For the spring and autumn season, due to the climate temperature difference, most modern breeding ventilation management is taken, a combination of regular ventilation and temperature-controlled ventilation, which not only protects the air quality of the chicken coop when the minimum ventilation, but also to meet the high temperature of the chicken coop ventilation cooling needs, to better maintain the relative stability of the environmental temperature of the chicken coop.
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