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Hormone Implants Boost Growth in Feedlot Heifers
Penn State researchers report that a growth promoting implant combining 24 mg diethylstilbestrol and 120 mg testosterone increases average daily gain by about 12 percent in non-DES groups and 5.6 percent in DES groups, with feed efficiency up 2.2 to 4.7 percent. The study involved 24 heifers and notes loin eye area improvement, administered under the ear skin.
MENTIONED IN THIS ARTICLE
Pennsylvania State University
American Society of Animal Science
Storrs
Conn
Clifford F. Orley
Department of Animal Science
Penn State
Orley
L. L. Wilson
M. C. Rugh