A milk sampling apparatus for use with a processor controlled milking system. The apparatus may include a cassette wherein milk sample collecting elements are placed, and at least one filling member capable of being placed above a selected one of the milk sample collecting elements by a positioning system, and capable of bringing a milk sample, representatively taken from milk yielded during the milking of an animal by the processor controlled milking system, into the selected one of the milk sample collecting elements. The apparatus may further include a micro processor arranged for two-way communication with the processor controlled milking system. The micro processor may be capable of receiving an indication of the selected one of the milk sample collecting elements from the processor controlled milking system and of controlling the positioning system to move the filling member such that the processor controlled milking system is positioned above the selected one of the milk sample collecting elements dependent on receiving such a signal.