I have the same problem. My hens are free range Red Stars, Arucanas, and Rhode Island Reds. Yolks break by themselves in the skillet. Any suggestions welcome.
place dry leaves about 1 foot deep under the roost ( box in the roost to keep the leaves piled). add new leaves weekly or as needed to keep litter dry and control odors. chickens will work the leaves and turn them over and over. within 90 days or less, you will have pulverized rich compost...