The invention relates to a system comprising at least one smart tag for animals on a farm and a multiplicity of devices which are configured to have an interaction with the animals, the smart tag being provided with at least one transmitting and receiving apparatus, at least one processor, at least one memory and at least one sensor which are communicatively connected with each other, characterized in that the smart tag is configured to comprise and send out command data intended to selectively control a device of a multiplicity of different type devices autonomously and wirelessly.