by Wanner, J.M., Olver, D.R., Rogers, G.W., Umphrey, J.E., Dickson, D.P.
Published in Journal of dairy science (01.05.1996)

by Umphrey, J. E, Moss, B. R, Wilcox, C. J, Van Horn, H. H
Published in Journal of dairy science (01.12.2001)

by Umphrey, J.E., Moss, B.R., Wilcox, C.J., Van Horn, H.H.
Published in Journal of dairy science (01.12.2001)

by Reiling, B.A, Marshall, T.T, Brendemuhl, J.H, McQuagge, J.A, Umphrey, J.E
Published in Journal of animal science (01.12.2003)

by Umphrey, J.E. (Alabama Agricultural Experiment Station), Moss, B.R, Cummins, K.A, Coleman, D.A
Published in Highlights of agricultural research (1989)