With the six core mico-minerals required for animal health - zinc， manganese， cobalt， copper， iodine and iron - it's the first choice for weight gain， feeding efficiencies and overall herd performance. For all classes of beef and dairy cattle， pigs and horses.FeaturesMost popular trace mineralized salt in the western half of the United StatesPerfect for maintaining livestock health SpecificationsINGREDIENTS: Salt， Zinc Oxide， Ferrous Carbonate， Manganous Oxide， Magnesium Oxide， Copper Oxide， Calcium Iodate， Cobalt Carbonate， Mineral Oil， Red Iron OxideSize: 4 lbQuantity: 1Type: Brick