A poultry cage comprises a resting surface in a horizontal plane having a plurality of openings, a manure collecting surface arranged underneath the resting surface, and a drying air channel comprising a first side wall having a set of first openings for directing drying air towards the manure collecting surface and a set of second openings for directing drying air towards the manure collecting surface. Each first opening directs the drying air at a first angle against a vertical direction towards the manure collecting surface and each second opening directs the drying air at a second angle against a vertical direction towards the manure collecting surface, wherein the first angle being different than the second angle.
