Hey my 6-8 week old baby male royal is about 73 grams and is feeding on small mice at the moment people are telling me to switch him to rat pups is this a good idea?

shall i switch him to rat pups or fluffs

Current Food:
http://www.frozenreptile.co.uk/froze...zen-small-mice

Rat Pups:
http://www.frozenreptile.co.uk/froze...rozen-rat-pups
Rat Fluffs:
http://www.frozenreptile.co.uk/froze...zen-rat-fluffs

Need as much advice as possible.. i fed him for the first time today and he took it so please help!

HE WAYS 73 GRAMS.. 6-8 WEEKS OLD... MALE.. CAPTIVE BRED..