Help, my little girls favorite hen (a one year old black australorp named Piggy) died last night. I found her under her usual roosting spot, dead. It looks like she fell off. I'm worried about my other hens. I'd been battling mites, but hadn't seen any on any of the hens in a few weeks (I've religiously treated them and their surroundings with DE) I but apple cider vinegar in the water, they also have access to water without and there were no visible signs of an attack of any sort. Does anyone have any ideas? Laying has dramatically declined but it always has this time of year as they molt and the days get shorter.