Abstract: A poultry treatment apparatus is disclosed herein. In various aspects, the poultry treatment apparatus may include a tank forming a reservoir at ambient pressure and containing liquid. A pump may be in fluid communication with the tank, and the pump may be in fluid communication with a liquid intake of a first nozzle, and in fluid communication with a liquid intake of a second nozzle to supply liquid under pressure from the tank to the liquid intake of the first nozzle and to the liquid intake of the second nozzle. A compressor may be in fluid communication with an air intake of the first nozzle and with an air intake of the second nozzle to supply compressed air to the air intake of the first nozzle and to the air intake of the second nozzle.