The Cana-Lix 15% Horse Lick Tub has been designed to be fed free-choice to horses in conjunction with high-quality forage or pasture and clean water. The Cana-Lix Horse Lick Tub contains 20 mg/kg of biotin for heathy hooves, coat and skin along with essential vitamins and minerals for your horse. The consumption of this lick block should be managed to 0.5 to 1.0 kg/head/day depending on body weight or maturity.