The Revised USDA Nutrient Data Set for Fresh Pork
By Juliette C. Howe, Denise Trainer, Joanne M. Holden, Dennis R. Buege, Juhi R. Williams, Ceci Snyder, Karen Boillot, and Phil Lofgren and published by the USDA's Agricultural Research Service - Nutrient composition data for fresh pork products in the USDA National Nutrient Database for Standard Reference (SR) have not been updated since 1991. Since that time, changes in animal husbandry practices and industry procedures have led to the availability of leaner cuts.