An all-purpose mineral for cattle on pasture. Purina All-Purpose Cattle Mineral provides your cattle balanced mineral nutrition year-round that they need for health and reproduction. Proper levels of key minerals can help optimize cattle performance. In fact, we recommend a year-round mineral program to help ensure your cows get the nutrients they need when they need them. This cattle mineral can be fed to your cows, bulls, stockers, and calves. Designed to correct mineral deficiencies of the available forage. Life Stage: Cow & Calf, Grower & Finisher, Replacement.