I wonder if anyone could help us! Our chickens are now 24 weeks old and they still aren't laying any eggs. We live in alberta Canada and the tempeture is about -4 outside, we have heat lamps in the barn, but it still seems a bit chilly in there. They seem to be making nests everywhere in the straw, but no eggs. They don't seem to be molting either. We can't figure out the problem, there on about 9 hrs of natural light and 6 hrs artificial light to add up to the 15 hrs of light that they need.....Anyone have this problem? Thanks so much!