The treats are diluting the protein. Layer feed is just the bare minimum. I would switch over to a complete feed with 18-20% protein.Thanks. We are feeding them layer feed and some scratch and bread as treats. Here is a pic of the chicken tractor/run. It's big enough to house 30 chickens and we have 23. View attachment 2622145
They have space but there isn't much to do in the space. Can you install some perches at least?