I have been reading extensively and believe the battery hens that I rescued from a live poultry market have coryza. I have been adding Sulmet and vitamins to their water, and feeding them yoghurt. They are still lethargic, with runny discharge, swollen skin around their eyes, and droopy sleepy heads. They do seem slightly better than yesterday, but they are still not well. Once/if they recover will they start to lay eggs? They are around five months old and are Australorps. Will this sickness affect their long term laying? Can we ever eat their eggs? Will they infect other birds/animals? I gave them a heat lamp in their run as it has been raining almost constantly since we brought them home, and they were previously indoors. I thought I had set it high enough off the floor that they wouldn't hurt themselves. This morning I discovered they had taken turns cuddling as close to it as possible, and had totally singed their wing feathers on one side, it smelt like burnt hair. Couple of pea brains! I was also a little stupid setting it so low they could manage to burn themselves, I'll live and learn.