This is fine for adult turkeys. All turkeys whether broad breasted or heritage need a proper high protein turkey or game bird starter to start with for proper development. It isn't all about the protein. A quality turkey or gamebird starter will also provide the higher levels of lysine, methionine and niacin that poults need for proper growth and development.The suggestions for high protein diets are for meat birds and not meant for longevity of life, but for building muscle fast.