Loe, E.R.; Drouillard, J.S.; Klopfenstein, T.J.; Erickson, G.E.; Dicke, B.E.
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2005)
Crossbred yearling steers (2,015 head) were
fed at a commercial feedyard near Larned, Kansas, to evaluate the effects of feeding Optaflexx™ at 0 or 200 mg ractopamine-HCl per
steer daily for the final 29 days on feed. ...