How many milliliters of milk powder should a baby eat at one time (scientific method of feeding the baby) As the baby grows, the dietary intake will naturally increase. Breast milk is the best food, but sometimes the mother cannot provide enough breast milk, and milk powder becomes one of the main foods for the baby. So, how many milliliters of milk powder should a baby eat at one time? The following will explain the scientific methods of feeding babies from the following aspects: 1. Feed reasonably according to age and weight