Grazing cattle generally benefit from a vitamin and mineral supplementation program. Achieving “balance” between animal requirements and vitamin or mineral supply can be a challenge because both components are dynamic. That is to say that forage mineral and vitamin precursor concentration changes throughout the seasons and animal requirements change with stage of production or growth rate.
Furthermore, day-to-day and animal-to-animal mineral consumption is quite variable. For example, in one study, average consumption of…
