Riley, J.; Tobyne, D.; Fink, G.
(Kansas State University. Agricultural Experiment Station, 1977)
We used 72 Hereford and Hereford x Angus cross yearling steers to further evaluate 200 mg Monensin (trade name Rumensin) per head daily. Monensin improved gain 6.7% and significantly improved efficiency, 12.3%.