Thank you for the photos.
I agree, it's probably hardened tissue from prolapse. The only thing you can usually do is to keep working on her like you've been doing. If she does get a vet visit, they may debride it to get more of that off.
I agree, it's probably hardened tissue from prolapse. The only thing you can usually do is to keep working on her like you've been doing. If she does get a vet visit, they may debride it to get more of that off.