The proposed invention includes an extruder apparatus (1) for a minced meat product with a distribution chamber (10) provided with an inlet opening (11) and with multiple outlet openings (12) of identical section, each one in communication with an extruder head (50) through a distribution duct (40) to produce the extrusion on a conveyor surface (2) movable through an air treatment unit (60), wherein each extruder head is connected to one of the distribution ducts and comprises a cutting device including a plunger inserted in the extruder head movable from an extruding position, in which the plunger does not interfere with the connection with the distribution duct, to a cutting position in which the plunger completely blocks said connection and in which the plunger reaches or goes beyond an extruding opening of the duct to eject all of the extruded meat product from the interior of the duct.