A milking arrangement comprises milking equipment (n) provided for milking animals and a computer system (17) provided for monitoring and/or controlling the milking equipment, wherein the milking equipment comprises a plurality of exchangeable expendable parts (12b) in the form of teat cup liners (12b) or cartridges including teat cup liners and/or milk or vacuum tubes (i3a-b) connected to teat cups (12) of the milking equipment. At least one of the exchangeable expendable parts comprises an identification tag d8a-c), such as an RFID (radio frequency identification) tag, comprising data, by which the model and/or a manufacturing date of the exchangeable expendable part can be uniquely identified. The milking arrangement further comprises a reader (19), such as an RFID reader, operatively connected to the computer system and arranged to repeatedly read the identification tag and to forward the readings of the identification tag to the computer system. The computer system is configured to identify the model and/or a manufacturing date of the exchangeable expendable part based on said readings and, in response to the identified model and/or manufacturing date, (i) to alert an operator and/or (ii) to monitor and/or control the milking equipment, and/or (iii) to make the model and/or a manufacturing date of said exchangeable expendable part available to an operator.La présente invention concerne un agencement de traite comprenant un équipement de traite (n) destiné à des animaux laitiers et un système informatique (17) permettant de surveiller et/ou de commander léquipement de traite, ledit équipement de traite comprenant une pluralité de pièces échangeable à usage unique (12b) se présentant sous la forme de manchons trayeurs (12b) ou de cartouches comprenant lesdits manchons trayeurs et/ou des tubes à lait ou des tubes à vide (13a-b) reliés aux gobelets trayeurs (12) de léquipement de traite. Au moins lune desdites pièces échangeables à usage unique comprend une étiquet
