My young coturnix quail are actually laying better than I thought they would be at this time of year, but I found a rubber egg in there a couple days ago. I know for my chickens I give oyster shell, what do I give for the quail? I had a bag of the powdered oyster shell for cage birds on hand, so I am topping their feed with that right now, but that would get sooo expensive if I have to do that for the whole flock all the time. Obviously the oyster shell you get for chickens would be too big for the quail to eat, right? So what do other quail breeders do for this issue? Oh, my quail are eating a meat builder feed for turkeys, ducks, gamebirds etc., right now, that is the closest I have been able to come to an actual gamebird feed around here.