The invention relates to an arrangement comprising a rubber teat (1), a milking tube (8) that is connected to the rubber teat (1), and a ventilating device (10). The arrangement has a flow path for discharging milked milk, said flow path communicating with the outside atmosphere via the ventilating device (10). The arrangement is characterized in that the ventilating device (10) comprises a ring body (11) with a nozzle opening (12), said ring body (11) being fixed on a straight section of the milking tube (8) in a position in which the ring body (11) rigidly embraces the milking tube (8) and the nozzle opening (12) communicates with the flow path in a tube interior (20) of the milking tube (8).
