The new arrivals look like they have ringworm. Will take to vets tomorrow 
Looks like she has rubbed it overnight as yesterday was a small patch above eye that was noticeable.
The other Guinea doesn’t look to have any patches but will assume will be infected as they have been together.

Looks like she has rubbed it overnight as yesterday was a small patch above eye that was noticeable.
The other Guinea doesn’t look to have any patches but will assume will be infected as they have been together.