So I'm trying to figure up a relative cost per egg... don't get me started on how irritated I am with friends who think I'm just going to "give" them eggs. That's another topic. I know what I pay for feed and scratch. I have 10 standard pullets right now. plus 2 possible others who it's too early to tell, and I'm going to take a stab at my banties, who are still teeny, and guess 7 (roughly half of my straight run) of them are pullets as well. What I need to know is, approximately how much oyster shell am I looking at supplementing them with once they start laying. Also, I haven't gone through too much grit yet, it's too big for my babies, but if anyone could take a stab at that too, I would appreciate it muchly. Thanks in advance..