Put him on a 4-5 day schedule. He should be at least eating a small mouse to possibly even an adult mouse. Most of my babies are on adult mice within the first month.
I'd get him on a longer schedule. He needs time to digest but I also don't think your giving him large enough prey. My neonate hatchlings start on mouse hoppers and quickly move up. Even still 2 days is a little quick to feed again.

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