Apparatus and method for milking animals, comprising a control device (2), four teat cups (6a to 6d), at least one collecting device (11a, 11b) for collecting the extracted milk and a milking line (15) for conveying the milk, said teat cups (6a to 6d) and said at least one collecting device (11a, 11b) and the milking line (15) being interconnected by way of milk lines (10a to 10d, 12a, 12b). A sensor device (13a) is provided and by means of said sensor device (13a) both the milk flow in at least one fore quarter (54, 55) of the udder (53) and the milk flow in at least one rear quarter (56, 57) is captured to separately control the milking operation by fore and rear udder half (58, 59).