2 bottle calves smaller one is about 5-6 weeks old. Eating grain and alfalfa along with about 10-12 pints of milk total daily. The big calf is only 3 weeks old. He was about 130-140 birth weight. I think around 150 ish now maybe a little more Huge. He has been great. Both calves had colostrum. The big one was on momma for 2-3 days. The big one which was named Goliath by my boys. He is also eating grain and alfalfa. And drinks about 12-16 pints total daily. 300 for small calf 450 for Goliath. 700 for the pair Both calves had nuflor first week of life.