Trace minerals play a huge role in the health of a newborn calf. Newborns depend on the transfer of trace minerals between the dam and the fetus during the gestation period. In addition, the mineral content of colostrum is greatly affected by mineral supplementation during a cow’s dry period. Trace mineral supplementation is also important during a cow’s dry period to avoid reduced production and reproduction problems. View the recommended supplementation levels from the University of Minnesota.