Discussion on Design and Application of the Tunnel Ventilation System for Poultry Housing

In view of the problem which arised during the tunnel ventilation applied to enclosed or open-type poultry housing in China,the author discussed the design method of the ventilation rate,the air velocity in a tunnel ventilated poultry housing,and the total area of air inlets and their location for different weather conditions. The choice of exhaust fan types is also proposed in this paper.