Rumensin supplements for replacement heifers on irrigated pasture
John L. Hull, Department of Animal Science, University of California, Davis
Charles A. Raguse, University of California, Davis
Richard E. Delmas, Department of Animal Science, Sierra Foothill Range Field Station, Browns Valley, California.
California Agriculture 35(3):8-9. DOI: 10.3733/ca.v035n03p8.
John L. Hull is Specialist, Department of Animal Science, University of California, Davis; Charles A. Raguse is Professor of Agronomy and Range Science and Agronomist in the Experiment Station, University of California, Davis; Richard E. Delmas is Staff Research Associate, Department of Animal Science, Sierra Foothill Range Field Station, Browns Valley, California.
Heifers fed 3.75 pounds per head per day of a barley-Rumensin supplement increased their average daily gain by 16 percent.Above-average replacement heifers can be reared for early breeding on energy-supplemented irrigated pasture plus Rumensin.