A Limited Feeding Experiment on Weanling Calves with 130 kg Fermented First Milk

A limited feeding experiment was carried out with 130 kg fermented first milk for calves weaned at 45 days old.The results showed that the growth rate of treatment group in the first 6 months was slower than that of CK(350 kg milk and 90 days weaning age)and their difference was significant(P0 01).Their body weight were 99 74 kg and 134 75 kg respectively,after 6 months of age,the growth rate,first born pregnant age in month and first born milk yield between two groups were similar(P0 05).