Fifteen to 20 percent less energy is needed to feed early weaned calves and their dams as compared to cows nursing their calves. It fits in with fall calving where heavy winter feeding would otherwise be required. Early weaning permits more cows to be carried on a limited feed supply. It may be possible to get cheaper gains due to the excellent feed conversion of early weaned calves. Disadvantages of Early Weaning Excellent calf nutrition and management is required.
More labor is necessary.
The facilities and feed must be available for small calves. The potential increase in weaning weights through heavy milking cows may be reduced. Information on dam performance from production records will be of limited use. The success of an early weaning program depends on maintaining a high level of management in weaning, caring for and feeding early weaned calves. Digestive disorders may be more of a problem with young calves.