Carlson, M. S., S. D. Carter, J. M. DeRouchey, D. J. Meisinger, D. E. Reese, B. T. Richert, K. J. Stalder, H. H. Stein, E. van Heugten, and M. H. Whitney. 2008. Survey of swine nutrition and feed industry practices in the united states for development of a national swine nutrition guide. J. Anim. Sci. 86(E-Suppl. 3):59-60 (Abstr.) Link to abstract (.pdf)