My hatchlings this year got rat pups once a week until they reached ~230 to ~250 grams. Then they were switched to weaned rats.
Hatchlings always look hungry. I don't really see any need to feed them more than once a week. The only time mine get more than once a week are when they are first hatched and on mice hoppers. Once they reach 90 to 100g and start taking adult mice, they go to once every 7 days and stay there.