Method of managing priority during the transmission of a message, in an interconnections network comprising at least one transmission agent which comprises at least one input and at least one output, each input comprising a means of storage organized as a queue of messages. The operator pit can be recessed from the holding gate and the milking stall, wherein a bridge or a bridge cart selectively connects a holding gate to an unoccupied milking stall. Thereafter, the pressure on the suspension is increased above atmospheric to deagglomerate, since the gas bubbles are then re-dissolved in the water. The mediation server acquires selection information indicating the target service and then supplies first setting screen information to the multifunction device. Also, in a seek mode, the track error signal can be held based on the header field signal to generate a track count signal that is similarly not affected by the header.