Brazle, F.Kuhl, Gerry L.2010-12-082010-12-082010-12-08http://hdl.handle.net/2097/6837The performance of grazing heifers offered a free-choice mineral or two mineral-grain-ionophore mixtures was evaluated in 3-year study. Heifers ate more of the supplement containing Bovatec® than that containing Rumensin® (P<.05). Heifers fed Bovatec® gained faster (P<.10) than those fed Rumensin® or the control mineral mixture.BeefMineral-grainNative grassConference paper