The nice lady who gave us these birds must have thought we knew about feed. We have two 12-week olds and the others are about 10 months old. We didn't know any better and have been feeding them all layer feed. I just pulled the feed and will go get a bag of starter or grower feed tomorrow and have a separate container of ground up eggshells. We have only had them for 5 days...do you think we have harmed our two younger birds (cuckoo marans)? Thanks!