Chris09 maybe you should research your information first you said
""Raw" Feather Meal"
That is not the same thing as a feather all the hard parts of a feathers are made up of calcium so check into it!!!
Most people are saying protein because during the molt they are told to add protein but they...
I guarantee that it is not a lack of protein! Feathers are made out of calcium if any thing they need calcium. My chickens eat calcium dusted chicken feed gut loaded live crickets (lots of protein, calcium, nutrients, and fun) they still eat there feathers. As long as they are not pulling them...