We have a total of six hens, two R.I.Reds and four Buff Orpengtons and a RIR rooster. They are all the same age, about 26 weeks, same size and appear to be very healthy. I let them free range during the day and are cooped at night. I feed them layer feed in their feeders and give them scatch every morning with a dose of orster shell. Three out of the six lay everyday, one RIR and two Buffs. I've kept them cooped for a couple days just to see if the other three hens are laying outside the coop but discovered only three eggs per day. Are the non-laying hens just lazy and spoiled or maybe just late bloomers?