Just feed them Purina Mills Game Bird Starter 30% protein.
Go to www.purinamills.com , type in your zip code to get a list of dealers. Start at the top and call and ask if they have it, if they don't, then ask if they will special order it for you. If both answers are (NO), then move on down the list.
I use nutrina brand Game bird crumbles its 28% prot. . I am thinking on using some of my chicken nutrina feed during the OFF months winter time its 22% should be ok I think?