SHARING OPTIONS: Stephen and Hazel's calves had an average LWG of 0.83 kg/calf/day at six months of age. Rearing dairy heifers to reach specific weight targets is a critical part of reducing replacement costs and enhancing profit on Dairylink Ireland farms. Programme participants are asked to weigh their heifers at various stages during the rearing period. The main targets are 360-400kg liveweight at 14 to 15 months old for first service and calving down at two years of age with weights approaching 600kg. To reach these milestones, it is important that the animals achieve a minimum growth rate of 0.80kg/calf/day during the grazing season.