Abstract A Systems Approach for Evaluating Productivity, Nutritional Efficiency, and Environmental Impacts of Feeding Programs for Growing-finishing Pigs Yang, Z., Y. Hung, J. Jang, P. Urriola, L. Johnston and G. Shurson May 2022 Environmental Impact | Growing-Finishing Pigs | Nutritional Efficiency | Soybean Meal | Sustainability | Swine