I've had a bit of experience with completely paralyzed and lame chickens but not because of MG.
I've also had a few go lame in one leg due to injuries and strains.
Anyway, the story below may give you some ideas.
https://www.backyardchickens.com/threads/shadrachs-stories.1263724/#post-20314661
I've also had a few go lame in one leg due to injuries and strains.
Anyway, the story below may give you some ideas.
https://www.backyardchickens.com/threads/shadrachs-stories.1263724/#post-20314661