



I'm Heather U., the breeder behind Annwn Mini Bulls located in Cheektowaga, NY. I plan to offer high-quality Miniature Bull Terrier puppies. Our dogs are excellent representations , and we breed in order to preserve and better the breed. I am dedicated to both health and temperament.
What makes your program special?
Where do your breeding dogs live?
Heather has been certified by Good Dog's screening team for responsible and trusted breeding practices. When you're ready to reach out, feel free to ask any questions about the breed, their program, or specific puppies.
Together, you’ll choose the puppy that’s right for you, stay in touch with regular updates, and plan how to bring your new puppy home.

"I am a licensed veterinary technician. The puppies will have been examined, dewormed, vaccinated and microchipped."
Heather may provide a written contract or health guarantee when you purchase a puppy. This helps protect both you and your breeder, ensuring that you both have a clear understanding of the terms of your puppy purchase. If Heather offers a contract or guarantee, the details will be personalized by them. If you have any questions or want to know more, don't hesitate to reach out to Heather directly.
You can drive or fly to pick up your puppy from Heather.
Meet in Cheektowaga, NY
Club memberships
Heather is a member of Miniature Bull Terrier Club of America .
Certifications & recognitions
Licensed Veterinary Technician, Puppy Culture Breeder.
Heather has been a member of Good Dog for over 3 years
Heather was screened for responsible practices and has been a member since 2022.
Heather’s links

Annwn Mini Bulls meets or exceeds our community standards in these areas:
Miniature Bull Terrier
About Roo
Roo is a female Miniature Bull Terrier. Carefully selected as a great representative of her breed, Heather decided to make her part of their program. Heather has passed Good Dog’s screening process, which involved a review of their breeding practices, environment, and the mental and physical health of their dogs.
Miniature Bull Terrier
About Wally
Wally is a male Miniature Bull Terrier about 8 years old. Carefully selected as a great representative of his breed, Heather decided to make him part of their program. Heather has passed Good Dog’s screening process, which involved a review of their breeding practices, environment, and the mental and physical health of their dogs.
Miniature Bull Terrier
About Tripp
Tripp is a male Miniature Bull Terrier. Carefully selected as a great representative of his breed, Heather decided to make him part of their program. Heather has passed Good Dog’s screening process, which involved a review of their breeding practices, environment, and the mental and physical health of their dogs.
Good level
Annwn Mini Bulls reports to performing the health tests below on their breeding dogs. Ask your breeder about the tests performed on the parents of your litter. Learn more about health testing for Miniature Bull Terriers.
Cardiac Evaluation (registered with OFA)
Heart testing reduces the chance of passing down congenital heart disease, which can cause a range of symptoms ranging from trouble exercising to heart failure.
Brucellosis, Congenital Deafness (BAER, registered with OFA), Kidney Disease (UPCR)
A breeder may perform additional tests on their dogs that do not fall into these general categories. These tests may be more uncommon or very specific to a particular breed.
Lethal Acrodermatitis (LAD), Bull Terrier Type, Primary Lens Luxation (PLL)
Genetic testing reduces the chance of passing down a wide variety of hereditary diseases of differing prevalence and severity such as Progressive Retinal Atrophy (an eye disease) and Von Willebrand's Disease (a blood disease).