All lick buckets without copper can be used for sheep.  Jorenku produces the following types, which can be used for sheep:  High Magnesium Pre-Lamber Summer Garlic As the name suggests, especially Pre-Lamber is adapted to the needs of sheep. The lick bucket secures high energy supplement before lambing with a high vitamin and mineral content with e.g. 40 mg selenium per kg. The lick bucket can be used all year round.