Scratching all the nest box material, eggs and golf balls out of the nest area tell me that they dont have enough space.
Tell or show is your coop and run.
Are you sure? Is there a gooey mess in the next box?
Evaluate your set up and nest box situation.
give chickens lots of space and things to scratch through. Boredom sometimes leads bad habits if chickens are cramped together
Make your nest box dark. They dont eat what they cant see
Put deep...