Device (1) for feeding piglet porridge, comprising: a plurality of wheels (10) to enable the movement of the device; a water tank (8) for containing water; a reservoir of base material of porridge (2, 3) to contain base material of porridge to make the porridge; a mixer (17, 20, 24, 26) to mix the base material of porridge and water to make porridge; a discharge opening (19) for unloading the porridge made by the mixer; a first transport device (12, 13) for transporting water from the water tank to the mixer; a second transport device (4, 5) for transporting porridge base material from the porridge base material container to the mixer; a control unit (30) for controlling the first transport device, the second transport device and the mixer; and a control member; in which the control unit is configured to: activate the first transport device, the second transport device and the mixer following the operation of the control means; deactivating the first transport device, the second transport device and the mixer after a subsequent operation of the control member or after a predetermined time following the operation of the control member; wherein the mixer comprises a hopper (6) that has a large opening on one side to feed the water and the base material of the porridge and that has a small opening on another side, in which the mixer further comprises a wheel of blades or paddle wheel (18) which is arranged near the small opening for the purpose of mixing the water and the base material of porridge leaving the small opening; characterized in that the hopper is provided, on the upper side, with a conduit system (14) which extends in the peripheral direction of the hopper and is coupled to the first transport device and guides the water from the water tank in the peripheral direction of the hopper and releases the water in the hopper in this direction.Dispositivo (1) para alimentar papilla a lechones, que comprende: una pluralidad de ruedas (10) para posibilitar el despla