My RIR's have been laying for a couple of months now. I get 7 eggs from 7 hens almost evey day. Once I got 8. Every now and then I get a monster size egg and some of them are what I consider large, but for the most part the eggs are small and medium. Is this what I can expect or will they get bigger? I am pretty sure all there needs are met and exceeded so I can rule out poor nutrition or short days.