Trace mineral availability

Larry L. Berger, Ph.D.
Salt Institute
Salt and Trace Minerals newsletter
Winter 2003 (Vol 35, No.4)
The cost-driven push for feed efficiency makes nutrient availability an important consideration. Factors affecting the availability of different trace minerals include the animal's age and species and level of intake. Excess intake decreases absorption and nutrients interact as in the case of copper and molybdenum.