I was just out to the run and the girls were going crazy over something. I couldn't tell what it was. I went in to the run to start shooing them into the coop for the night when one of the girls layed a yolk right in front of me - no shell. The others went crazy and they all dived in and began eating it! I started grabbing birds and puttin them into the coop and tried to bury what was left in the crusher dust. Why no shell and will that be enough to make them start eating eggs do you think?????