Update on the hen in question: One of my friends said she would take her to live out the rest of her days in my friends flock. Nothing is confirmed, but I hope it works out, that way my ISA Brown doesn't have to die... I will update again when the final decision is made!
Hmm, I've never heard of Capillary worm infestation... I'm not going to treat it because I would rather just kill her, but it's interesting that that could be the reason for the yolk and eating habits.
I have a 5yo ISA Brown hen who physically is in fine health, but she rarely lays eggs anymore, and when she does, they have super soft shells, or the yolk is almost white in color; so I don't eat them. I know it isn't a food problem because my younger hens lay really good eggs. Along with not...