Average daily gain; ADFI; F/G; dressing percentage; tenth rib fat thickness and depth; and color, firmness, and marbling of the longissimus muscle were not influenced by
omitting the vitamin and(or) trace mineral
premixes from diets during finishing (154 to
247 lb). Thus, omitting vitamin and trace mineral premixes can decrease diet costs
without decreasing performance or meat quality of high-lean pigs.