They need gamebird feed or at the very least chick starter. If you have no farm stores nearby, I'm going to assume you bought your supplements from Amazon?
Do you only have 3 quail? 3 quail wouldn't consume 5lbs of feed in an entire month.
What do you mean when you say 'free range'? Any quail...
Honestly, I didn't read any of your other replies after reading your description of the quail in the photos, and seeing your photos. Your quail are terribly unhealthy. I'm gonna tag some people with quail experience so they can give you better advice. I've never had a bird look like that before...