D.S.
I believe the recommended daily amount is around 32 oz. But that is a general amount some babies want more and some want less. Once my baby started finishing say 4 ounces each bottle and didn't seem content I would increase 1 ounce to see how they did. If the in-between feeding time also decreases say from 4 hours to three hours that was also an indicator that they needed more at each feeding. It is all trial and error in the beginning. As long as your baby is content, and growing, I wouldn't worry. Trust me they will let you know what they need. LOL!!