Age can be the issue. Young (new layers) and the older hens are more often to lay weird eggs. Their are some "disorders" (I don't know what to call them) that can be due to heredity or illness. Most of the time it corrects itself, with all needs being met accordingly. Sometimes it is just a 'hiccup' in the cycle. If you have shells to feed back you should not need to buy oyster shells, I do only about once a year or less if I run out of shells.she is not low on the pecking order. in fact, she is one of the rooster's favorite hens. she eats with everyone else, no problems there.
we have been collecting drying and powdering their egg shells for some time now. have given them some a few times, not as consistently as we should yet. i am not interested in buying oyster shells.
she is a young hen, only started laying in the last 2 months, so i know age isn't an issue. i really hope this is just a phase and things go back to normal!
what if they don't though?? anything else i should be concerned about??