Hi all, We had a Salmon Faverelle cockerel, about 4-5 months old. He'd been lethargic and keeping away from the hens today, but I wasn't too worried as he has always stuck with the other cockerels, and since the last of those was separated out to become dinner a couple of days ago I assumed he was just adjusting to his new role as sole male. Just looked out of the window and noticed he was on his side and shaking. Within a couple of minutes he went limp and died. Any ideas as to how this happened? Apparently healthy yesterday, but husband noticed that he now has yellow poo around tail feathers. I've not had chickens before, and I'm worried it's something that might spread to the others - any advice would be appreciated!