American stockman, 50 lb, cobalt iodized salt block, important for vitamin b12 synthesis, which is essential for appetite stimulation & normal protein, carbohydrate & mineral metabolism, also prevents deficiencies that can lead to low conception rates, abortions & weak calves, for all classes of beef & dairy cattle, sheeps, pigs & horses, salt, cobalt carbonate, calcium locate, ultramarine blue dye for color.