Gottschall, C. S.; Canellas, L. C.; Marques, P. R.; Bittencourt, H. R. Relationships Between Age, Weight, Average Weight Gain and Days on Feed of Beef Steers Slaughtered at 15 or 27 Months of Age. Semina: Ciênc. Agrár. 2009, 30, 717-726.