I have a 9 or 10 year old mare. We got her last year to use for trail riding but soon figured your she has arthritis in one of her coffin bones and she also has navicular disease in her front feet. She is unrideable and will be lame her whole life but she could be used as a brood mare or as a pasture pet. She is beautiful and I’m her prime so you have a good chance of getting some really pretty babies out of her.