It's already been a week or so since i've seen this happen- I know it won't get any better for her.
She's also become broody and is mothering the baby chickens.
About a week ago I went into the coop area to collect eggs for the day, and I discovered one of my older hens on the ground. I wondered if she was taking a dust bath so I tried to pick her up, and I put her back down to discover that she couldn't walk. She barely got around by flapping her...