We took him to a commerical scale. He weighed 689 lbs. If my math is right, he gained an average of 3.38 lbs a day. Since he is 5 months old, how will his weight gain change? Stay steady or go down a bit? Is it best to wean him or leave him on momma? She isn't rebred yet so condition isn't a problem. We want a change her to a fall calf rather than a summer one. What do you think he will weigh on March the 1st?