Welcome to Yorkie Talk.
You posted another thread about marking. Studding out your Yorkie is likely going to make marking an even bigger issue.
To be honest, the kind of breeders who would use a dog with CKC registration are not ones you would want to work with. CKC doesn't have the rigorous standards of AKC (imperfect as AKC might be).
For breeding dogs, genetic testing is recommended, along with research into the dogs' lines. Is your pup an excellent representative of the breed? I love my Yorkie boys and think they are adorable, but they are "pet" quality, not breeding quality.
__________________ Kristin, Max and Teddy  |