A system comprising: a control unit; a dosing module comprising a pump (320, 330); a milk analysis apparatus; and a milk extracting arrangement, operating in conjunction with the milk analysis apparatus; characterised in that the dosing module comprises a memory device and a second wireless communication device, which dosing module is insertable into the milk analysis apparatus, for information exchange with the control unit of the milk analysis apparatus via a first wireless communication device of the milk analysis apparatus; wherein the memory device is configured to: receive information concerning a measurement relating to usage of the pump (320, 330) from the control unit of the milk analysis apparatus, via the second wireless communication device; and store the received information; wherein the milk analysis apparatus comprises the first wireless communication device, for communication with the memory device of the dosing module, via the second wireless communication device comprised in the dosing module, and wherein the control unit is configured to: determine a measurement relating to usage of the pump (320, 330); and transmit information concerning the determined measurement to the memory device of the dosing module, via the first wireless communication device, for storage in the memory device of the dosing module. a control unit; a dosing module comprising a pump (320, 330); a milk analysis apparatus; and a milk extracting arrangement, operating in conjunction with the milk analysis apparatus; characterised in that the dosing module comprises a memory device and a second wireless communication device, which dosing module is insertable into the milk analysis apparatus, for information exchange with the control unit of the milk analysis apparatus via a first wireless communication device of the milk analysis apparatus; wherein the memory device is configured to: receive information concerning a measurement relating to usage of the pump (320, 330) from the control unit of the milk analysis apparatus, via the second wireless communication device; and store the received information; wherein the milk analysis apparatus comprises the first wireless communication device, for communication with the memory device of the dosing module, via the second wireless communication device comprised in the dosing module, and wherein the control unit is configured to: determine a measurement relating to usage of the pump (320, 330); and transmit information concerning the determined measurement to the memory device of the dosing module, via the first wireless communication device, for storage in the memory device of the dosing module. receive information concerning a measurement relating to usage of the pump (320, 330) from the control unit of the milk analysis apparatus, via the second wireless communication device; and store the received information; wherein the milk analysis apparatus comprises the first wireless communication device, for communication with the memory device of the dosing module, via the second wireless communication device comprised in the dosing module, and wherein the control unit is configured to: determine a measurement relating to usage of the pump (320, 330); and transmit information concerning the determined measurement to the memory device of the dosing module, via the first wireless communication device, for storage in the memory device of the dosing module.