So, this is the end of the first week of random rubber eggs. I have 3 hens all under 2 years and until recently they have been pretty consistent layers. One goes broody from time to time but that's usually the only hiccup. About a month ago the head honcho died spontaneously( I believe she may have been egg bound as my son found egg white on the board the day prior) and the pecking order changed. The three remaining hens seem to get along well but the dead birds best pal seems to be on her own a lot regardless of now being the top chicken. Egg production is seriously suffering. I got nothing but a rubber egg yesterday and only 1 egg the day before. Before that just as spotty. The rubber eggs come only at night. Some food for thought- The coop is large enough and cleaned every day. Ventilation is adequate. It is (as far as we can tell) predator proof and this has never been an issue. The birds come out into the yard at 7 and put themselves to bed at dark. No artificial light. They free range all day- we lock them up for bedtime. They are fed layena layer pellets at will and have fresh water always. We limit treats to a small handful of scratch daily. They have a dish of grit and oyster shell that they don't seem to mess with but its there. They do not have mites. They were wormed a few weeks ago with safeguard because we saw some round worms once on the dropping board. Poop looks fine now. There is not other sign of illness. It's been very humid and hot here in central Texas. Oh and they've never molted. Any thoughts or suggestions are greatly appreciated!