Newborn puppies need to eat 4 to 6 meals a day, puppies under six months old need to eat 3 to 4 meals a day, and dogs after six months need to eat 2 meals a day. This can be determined according to the specific situation of the dog. Make adjustments. When feeding your dog, it’s best to eat small meals frequently, and don’t feed too much at one time. Just let your dog eat seven to eight percent full at each meal; this is because dogs may not feel full and are prone to indigestion. Condition.