Pruitt, J.; Schalles, R.R.; Harbers, L.H.; Owensby, C.; Smith, E.F.
(Kansas State University. Agricultural Experiment Station, 1979)
Polled Hereford cows on native Flint Hills pasture not supplemented until February lost more weight from December to February, lost less from February to May, and were in poorer condition before calving than cows supplemented ...