Found Dead Hen

[Meganmarcum94]

I went to collect eggs and feed the girls today when I found my best layer dead in the nesting box. I haven't see anything or heard anything unusual, so this was totally unexpected.
Her corspe looks healthy other than her vent being discolored, a greenish brused color.

I listened to all other hens (3 left) and I don't hear any rattles or sneezing. Should I still treat them as if they have a respiratory infection?
They are all looking very healthy.

What can I do to protect the other hens?
It's getting into the 20s-30s now and I was told they don't need any extra heat.

 

[Yardmom]

Was she possibly egg bound?

 

[Banana01]

Have you considered doing doing your own necropsy and looking for possible signs like egg bound? It seems to be egg related, that would at least help to see inside.

Also examine the remaining three hens vents for any discoloration or abnormality.

Do they have fresh water with their food? Thats important so they dont choke on their dry food.