An apparatus for feeding animals with a feedstuff, in particular with a liquid feedstuff from an automatic feeder, wherein the feedstuff is suppliable optionally via a component (7.1 to 7.3) of an output device (1.1, 1.2), wherein the component (7.1 to 7.3) and/or the output device (1.1, 1.2) include means for temperature control.