@1lilappy, I hope your hen recovers. You are getting good advice here.
@azygous, I'm sorry for the loss of your hen. We also lost a lovely hen overnight on Christmas Eve (who I had just convinced my parents to cull if not improved). It sounds like you do a marvellous job with yours to have so many older flock members.
@azygous, I'm sorry for the loss of your hen. We also lost a lovely hen overnight on Christmas Eve (who I had just convinced my parents to cull if not improved). It sounds like you do a marvellous job with yours to have so many older flock members.

I took on six hybrids in June 2018, formerly caged ‘battery hens’ here in the UK, and I only have one of the six remaining. They were just bred to lay a lot of eggs in a short space of time and not for longevity sadly.