With consideration for their unique needs and training, deaf animals can adapt and adjust quite well! Here are some links and resources to spark your learning journey about deafness in dogs and cats.
(We have no affiliations or endorsement of products: these are intended to provide broad informational options to clients)
Information on genetics and breeds known to have inherited deafness:
https://www.ofa.org/diseases/other-diseases/congenital-deafness
Training/Care Tips for Deaf Dogs & Cats:
https://bestfriends.org/pet-care-resources/tips-care-deaf-dog-or-deaf-cat
https://www.battersea.org.uk/pet-advice/dog-advice/deaf-dog-care-and-training
Books:
The Complete Guide to Owning a Deaf Dog
Deaf Dog: a guide to enriching your deaf dog's life
Acorn's DEAFinitely Awesome Dictionary of Signs
Social Media:
Sites like Facebook may have local deaf dog groups