Shiawoya, E.L.; Harbers, L.H.; Bolsen, K.K.; Riley, J.G.; Dikeman, M.E.
(Kansas State University. Agricultural Experiment Station, 1974)
Protein supplements composed of either soybean meal, a combination
of soybean meal and urea, or milo Starea improved gain 5% and feed
efficiency 4% over supplements of either urea or wheat Starea (P<.25).
Cost of gain ...