Make sure they are getting enough light 16-20 hours a day. A light bulb with timer works well. Decide how many hours you are going to have the light on then dont change it. As a treat mix 1 cup of crumbles or pellets with .5 cup of yogurt and some water and heat for 1 min in microwave. Serve...
My understanding is that laying hens require a higher percentage of protein than non laying hens. I mix some plain yogurt and water into their food crumbles and serve it warm in the mornings. Stand back they will come running!
Your girls might need a light in their coop or house. I found that it was getting dark so early in the evening my egg production was dropping ( getting close to zero). About a week after I put a light in their house I was getting an egg from each hen almost every day. I leave the light on all...