Update of mineral nutrition of beef cattle. Organic minerals cost more than inorganic minerals; therefore, an increase in performance must be realized to offset the higher purchase price. Absorption of zinc decreases once the ratio of iron to zinc exceeds 2:1. Manganese is required for normal reproduction, and fetal and udder development.
Micromineral requirements and maximum tolerable levels for beef cattle are shown in. A good feeder should keep minerals dry, be portable and hold up to abuse and corrosion.