Brotzge, S. D., L. I. Chiba, C. K. Adhikari, H. H. Stein, S. P. Rodning, and E. G. Welles. 2013. Complete replacement of soybean meal in pig diets with hydrolyzed feather meal with blood by amino acid supplementation based on standardized ileal digestibility. J. Anim. Sci 91(E-Suppl. 2):585 (Abstr.) Link to abstract