In the paper by J. P. McNamara and J. E. Pettigrew titled "Proteinand fat utilization in lactating sows: I. Effects on milk productionand body composition," J. Anim. Sci. 80:24422451, onpage 2442-2446, Table 3, three columns were inadvertently leftout. The complete table is presented below, and the online,electronically archived version has been corrected.