Vanessa Lagos, a Ph. D. candidate from the Stein Monogastric Nutrition lab, presents the results of an experiment that will be part of her PhD dissertation looking at the effects of reducing the concentration of calcium and phosphorus and increasing microbial phytase on gastric pH, fecal score, growth performance, and bone ash of weanling pigs. Adapted from a presentation at the 2021 ASAS Midwestern Section meeting, March 8-10.