I'd say she needs more food. And at that age I'd be feeding 3-4 times a day, their stomachs are too small to hold a day's or half-day's worth of food at that age. The actual volume of food is not as important as the amount of nutrition consumed, a food with quality ingredients will generally be more satisfying and satiating than a larger quantity of nutritionally poor food.
Bloat is almost unheard of in young puppies.
Bloat is almost unheard of in young puppies.