you can turn the cows back with the bull 30 days after they have calved.in 30 days they should be getting ready to start cycling again.you wean calves off the cows at 6 to 8 months of age.dbloyd":73k467kh said:If I want to breed the cows again, how long should I wait after calving? At what point should the calves be taken away from mama?