I kept mine in for a week. When I feed my chickens I always shake a container of bird seed and call "chicken, chicken". The first time I let them out I made sure to stay with them. I would drop a few pieces of their favorate foods by my feet and shake the container, worms, pieces of apple whatever. I'd let them stay out awhile and do their thing. if they wandered too far I'd go through the ritual and they would come running. I'd make sure to always drop their food when they came. When it was time to be closed in it just took a call and a shake and they would come from everywhere. See one thing for sure is they don't want someone else eating what they should be eating; they hate to share! Food reward is a great thing.