Once your peafowl have reached the age of 8 or 10 weeks, they can be transitioned from gamebird/turkey starter to a chicken starter/grower feed (such as FlockRaiser) and can eat this until they are ready to lay.
Thanks... Now I need to figure out how to get fresh bags of it as it's not very popular here and often I see bags for sale that are six months old.
-Kathy