1. Growth response of beef cattle at pasture to zeranol or progesterone-estradiol implants;Basarab;Can. J. Anim. Sci.,1984
2. Response of nursing calves to zeranol implants;Davis;J. Anim. Sci.,1977
3. Farlin, S. D., and J. C. Parrott. 1980. For suckling steers, estradiol implant increases gains. Nebr. Agric. Exp. Stn. Rep. EC 80-218:7.
4. Gill, D. R., K. L. Apple, K. C. Barnes, B. L. Peverly, A. L. Hutson, G. M. Provence, and H. R. Spires. 1984. Synovex-C or Ralgro implants for nursing calves. Okla. Agric. Exp. Stn. Misc. Publ. MP-116: 140.
5. Lamm, W. D., G. A. Greathouse, and P. T. Fagerlin. 1983. Effect of Synovex-S, Compudose and Ralgro on the performance of suckling steer calves. Colorado State Univ. Beef Progr. Rep. Spec. Set. Publ. 22:88.