Mineral Tubs with Vitamins and Minerals for Beef Cattle 3.1.1.1 Tubs must be a minimum of 200 pounds each. 3.1.1.2 Tubs must contain Amaferm or equal prebiotic to increase digestibility for feeding efficiency 3.1.1.3 Tubs’ guaranteed analysis must meet: 3.1.1.3.1 A minimum of 10% crude protein 3.1.1.3.2 A minimum of 3% crude fat 3.1.1.3.3 A maximum of 2% crude fiber 3.1.1.3.4 A minimum of 5% and 6% maximum calcium 3.1.1.3.5 A minimum of 2.5% phosphorous 3.1.1.3.6 A minimum of 1.5% magnesium 3.1.1.3.7 A minimum of 1.8% potassium 3.1.1.3.8 A minimum of 20 parts per million (ppm) cobalt 3.1.1.3.9 A minimum of 1250 ppm copper 3.1.1.3.10 A minimum of 100 ppm iodine 3.1.1.3.11 A minimum of 1875 ppm manganese 3.1.1.3.12 A minimum of 12.8 ppm selenium, not to exceed 13 ppm 3.1.1.3.13 A minimum of 2500 ppm zinc 3.1.1.3.14 A minimum of 200,000 IU/lb vitamin A 3.1.1.3.15 A minimum of 20,000 IU/lb vitamin D-3 3.1.1.3.16 A minimum of 400 IU/lb vitamin E
