Smith, E.F.; Pruitt, R.; RIley, J.; Corah, L.; Owensby, C.
(Kansas State University. Agricultural Experiment Station, 1978)
The feed additive, Monensin, was self-fed in a feed block to yearling
cattle on summer pasture. Consumption of the block (0.29 lb. daily)
supplied 116 mg. of Monensin daily, which failed to improve the cattle’s performance.