CHOI, C.-W., VANHATALO, A. and HUHTANEN, P. 2002. Concentration and estimated flow of soluble non-ammonia nitrogen entering the omasum of dairy cows as influenced by different protein supplements. Agricultural and Food Science. 11, 2 (Jan. 2002), 79–91. DOI:https://doi.org/10.23986/afsci.5720.