Ah, missed a few things...
Some things you didn't mention, first. In some states, you need paperwork to keep bobwhite quail (Missouri, my state, is one, I know), so I only keep and raise Coturnix Quail.
The eggs are tasty, but one must be careful when cracking the shell open, because the...
Just like any animals, diseases can be a problem. Personally, I haven't had any problems and have had chickens, guineas, quail, turkeys, and geese for years.
Feed, I mix 22% grower and 16% layer for my quail. It gets them some higher protein, and some of the minerals layers need, both.
Treats...