I have 13 hens. 3 I got on November 10th, 2012. Two of them are White Leghorns and they are definitely laying and started at 31 weeks old. The third is a Speckled Sussex. She started laying around 40 weeks old but I don't think she is laying now. She had gone broody for a while. She would sit in one nest and the other hens would sit in the same nest and lay. She stopped being broody about 3 weeks ago and she has only laid about 3 or 4 eggs since. I got 9 chicks on March 30th, 2013. Two Barred Rocks (now 32 weeks old), 3 were supposed to be Speckled Sussex but they don't look like my other Speckled Sussex (now 26 weeks old), and 4 Ameraucanas (now 23 weeks old). I also took in an Easter Egger from a friend that has been laying faithfully for months. She has only laid 2 eggs in the 9 days she has been here. I understand the 4 Ameraucanas and the 3 supposed Speckled Sussex not laying. The 7 of them are right on the cusp of laying age. I don't understand why my Speckled Sussex isn't laying and why the Easter Egger isn't laying. It doesn't make any sense to me. They always have food available and I just installed a nipple watering system so they can have cleaner water constantly. The temperature here in Knoxville hasn't been that bad this summer. Actually we usually hit 100 or 105 sometime in July and August. But we haven't gotten over 98 and that was only a few days in July. Their poop has never really been black with the white spot on top. A few of my girls have that color but most of them have a maroon color with a white top. I was worried about it when they were younger and I gave them antibiotics. It never changed and they seem healthy and gained weight appropriately. They don't have worms present. They are fed DuMor Layer feed, freeze dried mealworms at least twice a week, and a Flock Block once every 2 or 3 months. They have a 10'x8' hen house with a 10'x8' run. So space isn't an issue. They also have 8 nesting boxes. I am having a water leak issue so only 4 of the boxes are usable right now. The water leak will be resolved this week. Any ideas?