Browsing Cattlemen's Day, 1997 by Author "Spell, A.R."

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Reproductive performance of replacement heifers implanted as young calves or at weaning

Corah, L.R.; Spell, A.R.; Cook, D.L.; Butine, M.D.; Anderson, K.; Grieger, David M. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-09-02)

This study evaluated the effect of implanting potential replacement heifers (n=548) with Component E-C® (10 mg of estradiol and 100 mg of progesterone) between 45 and 120 days of age or at weaning (200 days of age) ...