McKee, M.; Schalles, R.R.; Zoellner, K.O.
(Kansas State University. Agricultural Experiment Station, 1974)
Three trials with Angus, Hereford, and Shorthorn bulls produced
in the University teaching herd were conducted to determine effects
of 10, 12, or 14% calculated crude protein levels in grain rations.
In trial 1, the 10% ...