Bibiana Jaramillo, a Ph.D. student in the monogastric nutrition laboratory talked about: “Additive effects of 25-hydroxy-vitamin D3 and microbial phytase on digestibility of calcium and phosphorus, bone biomarkers and blood vitamin D3 metabolites in growing pigs”. Adapted from a presentation at the 2025 ASAS Midwest Section meeting, March 10-12, 2025.