Laaser, G.N.; Kiracofe, G.H.
(Kansas State University. Agricultural Experiment Station, 1977)
Eight cull Hereford cows were given 200-mg. injections of testosterone proprionate repository (Haver-Lockhart, Shawnee, KS) every other day for 20 days (10 injections). Four cows were given weekly booster injections with ...