As director of nutrition services for Fine Feeds Indeed, Inc., you have negotiated a deal to sell a mineral premix to a growing feed cooperative to be used in their nursery pig diets. You must formulate the premix (using the mineral sources below) to be incorporated at 0.32% of the diet, and you know that you should plan on the premix meeting the minimum requirement for pigs as small as 10 lb of body weight. Calcium carbonate is available as a carrier. Remember that FDA allows a maximum of 0.3 ppm Se to be added to the diet. Ferrous Sulfate, 36.76% Fe
Manganese Sulfate, 45.64% Mn
Potassium selenate, 35.71% Se
Zinc Carbonate, 73.00% Zn
Cupric Sulfate, 39.81% Cu
Potassium Iodate, 59.30% I