Intestinal digestibility of amino acids in rumen undegraded protein estimated using a precision-fed rooster bioassay: I. Soybean meal and SoyPlus

Boucher, S. E., S. Calsamiglia, C. M. Parsons, H. H. Stein, M. D. Stern, P. S. Erickson, P. L. Utterback, and C. G. Schwab. 2009. Intestinal digestibility of amino acids in rumen undegraded protein estimated using a precision-fed rooster bioassay: I. Soybean meal and SoyPlus. J. Dairy Sci. 92:4489-4498. Link to full text (.pdf)