The invention relates to a rack (10) for receiving fattening poultry cages, (20) comprising: a frame structure (12), a plurality of levels (14) for receiving a plurality of fattening poultry cages (20), and a plurality of conveying means (16) associated with each of the levels (14). The means of conveyance (16) are arranged in such a way that they transport the cages (20) located in the rack (10) within the respective level (14) to and/or away from a unloading point (30). Further, the invention relates to a fattening poultry cage (20) for arrangement in such a rack (10). Finally, the invention relates to a system of racks (10) and cages (20) according to the invention. The system may comprise an industrial truck (22) with lifting means for removing cages (20) from or feeding cages into the rack (10), the lifting means comprising a plurality of fork carriages (24) arranged vertically one above the other and movable in a vertical direction relative to one another.
