SHARING OPTIONS: Weighing replacement heifers midway through winter will give a good indication if animals are likely to meet target breeding weights. Mid-winter is a good time to weigh replacement heifers and review performance since animals were housed. Weighing now will give a good indication of which heifers are likely to meet target breeding weights by May or June. Along with choosing animals from the most fertile and best milking cows in the herd, meeting a minimum target breeding weight is also important when selecting replacements. This is particularly important if heifers will calve at 24 months of age. Heifers that are well developed when they go to the bull are better equipped to cope with gestation and lactation.