Smith, E.F.Koch, B.A.Richardson, D.Boren, Fred W.2011-05-052011-05-052011-05-05http://hdl.handle.net/2097/8735Twenty good to choice Hereford steer calves from near Ft. Davis, Texas, were randomly divided into two lots. One group served as the control: the other was treated in a similar way except that each animal received 70 mgs. of chlortetracycline (aureomycin) daily.BeefChlortetracyclineSorghum grainBluestem pastureConference paper