Einrichtung zur Überwachung von Großtieren mit einem Gurt (5), der an die Haut des Großtieres anlegbar ist, wobei der Gurt (5) mindestens in einem Teilbereich auf der dem Großtier zugeordneten Seite einen elektrischen Leiter (2) aufweist, wobei der elektrische Leiter (2) mit einem offenporigen Material ummantelt ist.The device has a belt (5) i.e. part of a head bracket (3), applied on skin of a large animal e.g. horse, where the belt includes an electric conductor (2) in a partial region on a side associated with the large animal. The electric conductor is coated with a porous material that is formed by a flexible fabric and provided with encasing, open-pored material aramide fibers. The electric conductor is sewn with the belt, and provided with stainless steel wires that are twisted together, where the belt includes separate measuring regions (4) that extend parallel to one another.