1. Marshall T. The quality revolution awakens. In: Beef Cow Calf Weekly. 2011.
2. United States Department of Agriculture, National Agricultural Statistics Service. Quick stats. Available at: http://quickstats.nass.usda.gov. Accessed May 20, 2013.
3. Melton BE. Conception to consumption: the economics of genetic improvement. In: Proceedings of the Beef Improvement Federation. Sheridan (WY): 1995. p. 40–87.
4. Procedures that support reproductive management of replacement beef heifers;Patterson;Proc Am Soc Anim Sci,1999
5. Patterson DJ, Mallory DA, Parcell JL, et al. The Missouri Show-Me-Select Replacement Heifer Program. In: Proceedings, Applied Reproductive Strategies in Beef Cattle. August 31–September 1. Joplin (MO): 2011. p. 237–51.