Here are some nice threads on what to feed.
https://www.backyardchickens.com/forum/viewtopic.php?id=65193
https://www.backyardchickens.com/forum/viewtopic.php?id=44146
hth
Tracy
Posted this one earlier about treats
https://www.backyardchickens.com/web/viewblog.php?id=2593-Treats_Chart