WI Coop Ext. Keown, J. F., and R. W. Everett. Effect of days carried calf, days dry, and weight of first calf heifers on yield. J. Dairy Sci. Kertz, A. F. 1987.
Heifers can gain without getting too fat.
Quigley, J. D. III, R. E. James, and M. L. McGilliard. Dry matter intake in dairy heifers. I. Factors affecting intake of heifers under intensive management. J. Dairy Sci. Influence of amount fed on hormone concentrations and their relationship to mammary gland histology.