Our broody hen had been doing totally fine, sitting on eggs, running around like crazy when snacks were given though (just like the others!) etc, but one day this week she was just dead - in the run. She had been totally fine that morning. Her wings were covered in sand and dirt so it was as if she had died halfway through a sand bath!!! I took her in for a post mortem and while there is still no definitive answer, so far they've ruled out the more obvious ones like sour crop, egg binding, etc. They did find some lice and a small amount of worms in the intestines, but they said it wasn't anything concerning/that would have killed. We found this to be odd though since we regularly deworm and de-lice them...how can this be?! Any ideas? They all caught some sort of resp disease (we guessed maybe mycoplasma) but had been fine overall since treatment, though many kept on sneezing including this hen (no other symptoms/problems). Loads of energy all the time and no problems. Still awaiting reports on bacteria tests etc so hopefully by next week we will know more. She was such a sweetie and such a good mother, I was devastated to find her like that. She had been chasing after little treats I gave her just that same morning.