A stable floor system comprising a stable floor, wherein the stable floor comprises a walking surface and at least one groove extending over the walking surface, and also comprising a device for removing manure from the floor, wherein recessed parts of the groove are provided with at least one opening (6) that opens into a tube (7) installed under the walking surface for discharging solid and liquid manure present in the recessed parts into the tube via the opening by means of the device, wherein a wall of the tube is provided with holes for discharging liquid manure present in the tube via said holes.
