The present invention refers to an arrangement for automatically disinfecting or sterilizing at least a portion of any of a resting, a milking, or a feeding station (9, 33a, 33b). The arrangement comprises a water tank (71) for storing an amount of water； means (72a-d) for regulating a flow of water from said water tank； a chamber (73) for receiving said flow of water, said chamber being capable of housing only a fraction of said amount of water； heating means (74a-c) for generating steam from water housed in said chamber or for heating water housed in said chamber； and an output line (75) for directing said generated steam or heated water towards said at least portion of any of a resting, a milking, or a feeding station to thereby disinfect or sterilize said at least portion of any of a resting, a milking, or a feeding station.
