McKee, M.; Bolsen, K.K.; Riley, J.G.; Conway, K.L.; Fink, G.
(Kansas State University. Agricultural Experiment Station, 1974)
An 85-day, post weaning growth rate for 30 calves weaned at an average age of 110.5 days was compared with the growth rate of 30 calves nursing their mothers the same period. Average age of the nursing calves at the start ...