Terui, H.; Morrill, J.L.; Higgins, J.J.
(Kansas Agricultural Experiment Station, 1994)
Total mixed rations (TMR) with different
forage (F):concentrate (C) ratios were fed to
Holstein heifers (n = 135) 12 to 24 wk of age.
In four trials, the heifers were divided into
different age groups and fed three ...