00649nam a2200133 a 450000100080000000500110000800800410001910000190006024500540007926000270013330000100016052003340017065000110050412252102014-06-16       1981    bl uuuu      00u1 u    #d1 aHUBBARD, D. D.  aGUIDELINES for uniform beef improvement programs.  aWashington: USDAc1981  a76 p.  aReproduction. Evaluation of growth rate and efficienty of again. Beef carcass evaluation. Live animal Evaluation. Estimated breeding values. Guidelines for performance programs for seedstock producers and their Organizations. Guidelines for comercial performance programs. Central test stations. National sire evaluation program.  aBovino