I have 5 BRs. Y'day (8/15/10) I got two eggs at about 10 AM. Then I got another egg at about 11 AM. All three are good eggs in the nest boxes. Nothing later in that day (as of 8 PM). This morning 7 AM (8/16/10), I found two thin shell eggs on the floor (below roost area). We got our first egg last Sunday and are getting 2 or 3 eggs per day since then. But I only found two thin shells middle of the week and then today. Based on the 26 hour cycle, I am thinking, todays thin shells cannot be from the 3 hens y'day. Going by that theory, all 5 are laying, but only 3 are giving hard shell eggs and two are dropping thin shells under the roost or outside somewhere (they freerange). Any other possibilities ?