The present invention relates to a machine designed to extract calluses from the footpads (P) of poultry - primarily chickens - comprising a cabinet (G) on the inside of which is mounted a pair of chains (C1) between which are mounted a plurality of trays (B) having a circular through-opening (A) in the bottom face thereof. Operatively mounted downstream of the chains (C1) is a pair of toothed shafts (D) with motorization means (M2); and mounted above this region is a smaller chain (C2), which is also motorized. Mounted on said chain (C2) is a plurality of assemblies comprised of a base (4) and, mounted thereon, a piston (5), the position of which corresponds to the position of the opening (A) in a tray (B) when the latter is below the region of the smaller chain (C2), wherein the piston (5) and the opening (A) are vertically aligned with each...

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