Bortone, E. J.; Daccarett, M. G.; Morrill, J. L.; Stevenson, J. S.; Feyerherm, A. M.
(Kansas Agricultural Experiment Station, 1991)
Holstein heifers from the Kansas State University
Dairy Teaching and Research Unit were
used from 3 mo of age until 21 d before estimated
date of calving. They were fed either 100 (control,
C) or 115% (enhanced, E) of ...