I was out side today and i picked up one of my chickens and i could feel there breast bone i mean there was a little fat but should i be able to feel the breast bone at all???? Is it normal to feel this??? They get free choice of game bird crumble, crack corn and layer pellett. So they should be plump right and BTW these are pets not meat birds. Is this do to worms ?? if any one thinks this is please give me some wormers you guys uses and the website where i can order them from. Thank you!