Macgregor et al., 1978. J. Dairy Sci., 61: 566-573 Document reference Macgregor, C. A. ; Sniffen, C. J. ; Hoover, W. H., 1978. Amino acid profiles of total and soluble protein in feedstuffs commonly fed to ruminants. J. Dairy Sci., 61: 566-573Web http://dx.doi.org/10.3168/jds.S0022-0302(78)94411-9Citation key Macgregor et al., 1978