Drake, C.L.; Good, D.L.; Schalles, R.R.; Hahn, P.A.; Myrick, O.D. Jr.
(Kansas State University. Agricultural Experiment Station, 1970)
The use of rumen microorganisms is not new but neither is
it a common practice. We used a product developed by W.R. Grace
and Company in an attempt to reduce the "adaptation period" of
cattle placed on a finishing ration. ...