Feed production contributes about 70% of nitrogen emissions in pig production systems. Joining us to share their ideas on how the industry might improve the nitrogen utilization efficiency of pork production are Dr. Jerry Shurson, professor, animal science within the University of Minnesota; Dr. Brian Kerr, animal scientist, USDA-ARS-NLAE, and Dr. Zhaohui “Edward” Yang, business development manager with Nutribins.