
ABKC vs UKC: Why Registration Matters for American Bullies
Sep 26, 2025

UKC vs ABKC: American Bully Registration Explained
Why Breed Standards and Registration Matter
Breed standards define the build, temperament, and qualities that make a dog a true representative of its breed. Kennel clubs such as the American Bully Kennel Club (ABKC) and the United Kennel Club (UKC) maintain those standards, verify pedigrees, and give breeders and owners access to official events.
For American Bully owners, registration papers are more than just a formality. They:
Prove pedigree and authenticity.
Document health and lineage.
Enable participation in shows and sports.
Protect a buyer’s investment by maintaining resale and breeding value.
Because we specialize in merle American Bullies, understanding the difference between ABKC and UKC registration is crucial.
ABKC (American Bully Kennel Club)
Founded in 2004, the ABKC was created specifically for bully breeds. It remains the most widely recognized registry for American Bullies worldwide.
Key points about ABKC:
Recognizes all official Bully classes: Pocket, Standard, Classic, and XL.
Accepts merle (also called “blotched”) along with many other coat colors and patterns.
Hosts bully-specific shows and events across the U.S. and internationally.
Provides pedigrees that accurately record merle coloration, making it the only registry where merle Bullies are officially documented.
Why we use ABKC: Since merle is central to our program, ABKC registration ensures our dogs are properly recognized, pedigrees remain traceable, and buyers receive valid documentation.
UKC (United Kennel Club)
The UKC, founded in 1898, is one of the oldest multi-breed registries in the U.S. Unlike ABKC, UKC focuses on the “total dog” — appearance, structure, and performance ability.
Key points about UKC:
Recognizes American Bully sizes including Pocket, Standard/Classic, and XL.
Does not accept merle coloration for American Bullies (merle is listed as a disqualification).
Offers events in conformation, obedience, agility, protection sports, and more.
Known for strict standards and long-standing credibility.
Why we use UKC (when possible): Non-merle dogs in our program may be dual registered with both ABKC and UKC. This gives them broader recognition and access to UKC’s extensive events.
Our Registration Approach: ABKC First, UKC Where Eligible
Because merle is part of our foundation bloodlines, most of our dogs are ABKC registered. For non-merle offspring, we often pursue dual registration (ABKC + UKC) to maximize their value and opportunities.
Benefits of dual registration:
Recognition from both a bully-specific and a historic all-breed registry.
Eligibility for a wider range of events and titles.
Increased pedigree credibility and market value for breeding prospects.
Cost Considerations: Why Dual Registration Costs More
Dual registration requires extra steps, including:
Separate ABKC and UKC application fees.
Pedigree verification and multi-generation documentation.
Transfer or litter listing fees.
Administrative time for photos, forms, and registry approvals.
These added costs are why dual-registered puppies are often priced higher, but they also carry greater long-term value.
Frequently Asked Questions
Q: Why are ABKC papers important for merle Bullies?
A: ABKC is the only kennel club that officially recognizes and registers merle American Bullies. UKC does not accept merle coloration.
Q: Can a Bully be registered with both ABKC and UKC?
A: Yes. Non-merle Bullies can be dual registered, giving them broader recognition and access to more shows and competitions.
Q: Does registration matter if I only want a family pet?
A: Absolutely. Registration proves lineage and health records, while also protecting your investment if you ever choose to breed or sell.
Q: How much more does dual registration cost?
A: Costs vary by registry, but you can expect to pay both ABKC and UKC fees plus any transfer or verification charges.
Q: If I buy a merle Bully, what papers will I receive?
A: All merle puppies are registered with ABKC. If a non-merle pup is dual registered, you’ll receive both ABKC and UKC paperwork.
Bottom Line
ABKC is the go-to registry for merle American Bullies and is essential if you want official recognition of that pattern.
UKC offers credibility and performance events but does not accept merle coloration.
Dual registration is ideal for non-merle Bullies, expanding opportunities and long-term value.
At Big Dawg Bullies, we prioritize ABKC registration to preserve the integrity of our merle bloodlines while also offering UKC papers when eligible. This ensures every puppy leaves with the documentation that best protects its future.

Big Dawg Bullies
Discover family-raised, ABKC registered American Bully XL puppies for sale in Texas. Our exceptional XL Bully puppies, XL Bullies puppies, and XXL Pitbull puppies come with health guarantees and loving temperaments, ready to join your family.
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