A system and method for handling live poultry by means of transporting units (10) including a quadrangular supporting frame (2) and a plurality of drawer-type cages (5) arranged in a superimposed and extractable condition within the supporting frame (2). The supporting frame (2) of the transporting unit (10) is devoid of a lower pallet, and is manipulable by means of a lifting truck (11) that is provided with a roller platform (13, 14) for moving the transporting unit (10).