Pruitt, R.J.; Peischel, H.A.; Smith, E.F.; Schalles, R.R.; Owensby, C.
(Kansas State University. Agricultural Experiment Station, 1980)
Polled Hereford cows on native Flint Hills pasture not supplemented
until February lost more weight from November to February and were in poorer
condition during the winter and early spring than cows supplemented ...