Shirley, J.E.; Scheffel, M.; Park, A.; Smith, J.F.; Titgemeyer, E.C.
(Kansas Agricultural Experiment Station and Cooperative Extension Service., 1998)
Ninety Holstein heifers were used to
examine the effects of Rumensin® or
Bovatec®. Average daily gain and feed
efficiency was greater for heifers fed
Rumensin® than for heifers fed Bovatec®.
Heifers fed Rumensin® ...