Very early this Spring, my mom and I went halves on pullets. I raised them inside until they were big enough to go outside. We split them up, my mom's went to her house, and mine went out with my older girls. Out of her 6 hens, she gets 4 eggs a day. Out of mine, even with my older ones (two years old), I haven't gotten ANY since early Summer! Since the new girls came, no one has laid. They have a lighted coop, with plenty of room. (It used to be the kid's playhouse- the chickens even have a loft they play in and a bay window they love to look out of!) They have nesting boxes that the older ones USED to use. They have a huge, fenced play yard and get fed the best feed, plus kitchen scraps and goodies. (They are truly spoiled chickens!) They have a heated waterer, and their water gets replenished every day. I am at my wits end. My mom is getting eggs, so obviously, it's something we're doing. I've researched, but everything we're doing already is everything we're already doing. Granted, I have more chickens, but I also have way more space. They are otherwise healthy. We have no top hen, no bottom hen. They all get along great. No mites, no antibiotic or other medicine use ever needed. They are not laying and then eating them. I am out there enough to know for certain there. And there is no place in their pen or coop that they could be laying that I would not find them. Like I said, I am at my wits end! I have some pullets that are nine months old, and have NEVER laid an egg!! I have had chickens all of my adult life, and I have NEVER had this problem. Any thoughts? Breeds are: Black Australorp, Golden Comet, Buff Orphington, Turken, RIR.