About Us
Welcome to our About Us page—the heart of our website and the story behind every English Mastiff and Bullmastiff puppy we raise. If you’re searching for “available puppies” with calm temperaments, protective instincts, and lifelong health, you’ve come to the right place. Our About Us mission is simple: to breed fewer, better litters of giant-guardian dogs and to support every family we place with knowledge, transparency, and care.
This About Us page explains who we are, how we breed, what sets our program apart, and why responsible breeding matters—especially for powerful, deep-chested breeds like the English Mastiff and Bullmastiff.
Our Story: Why We Breed English Mastiffs and Bullmastiffs
Our journey began with a deep respect for the Mastiff family: dogs built to guard estates, protect families, and stand as steady, confident companions. English Mastiffs and Bullmastiffs are not just large dogs—they are thoughtful, observant guardians with a natural instinct to watch over their people. We fell in love with their dignity, loyalty, and quiet strength, and we committed ourselves to preserving those traits through ethical, health-focused breeding.
In our About Us philosophy, every litter is planned with intention. We do not breed for volume; we breed for quality, temperament, and long-term health. Each puppy is raised in a home environment, surrounded by daily life, gentle handling, and positive experiences that shape confident, well-adjusted adults.
Our Breeding Philosophy: Ethics First, Always
Responsible breeding is the foundation of our About Us identity. Ethical breeders prioritize health testing, transparent practices, and lifelong accountability for the dogs they produce. We adhere to these standards because giant breeds deserve nothing less—and because families investing in an English Mastiff or Bullmastiff puppy deserve peace of mind.
Health Testing: Non-Negotiable for Giant Breeds
Both English Mastiffs and Bullmastiffs are prone to hereditary and size-related conditions, including hip and elbow dysplasia, heart disease, eye disorders, and gastric dilatation-volvulus (bloat). To reduce these risks, we perform comprehensive health screenings on all breeding dogs, including:
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Hip and elbow evaluations (OFA/PennHIP) to assess joint health.
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Cardiac screening by a board-certified cardiologist (echocardiogram) to detect heart abnormalities.
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Annual eye certifications (CAER) to rule out progressive retinal atrophy and other inherited eye conditions.
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Breed-specific genetic testing where applicable, to avoid passing on known hereditary diseases.
We share health documentation transparently with prospective buyers. In our About Us standards, “health tested” means verifiable results—not just a claim.
Temperament and Structure: Breeding for Balance
Size without stability is dangerous; protection without trainability is unmanageable. Our About Us breeding goals emphasize:
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Calm, confident temperaments suitable for family life.
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Stable nerves and appropriate wariness of strangers without aggression.
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Correct structure to support sound movement and joint health over a lifetime.
We select breeding pairs that complement each other’s strengths and mitigate weaknesses, always prioritizing health and temperament over cosmetic traits.
How We Raise Our Puppies: Early Socialization Matters
The first 16 weeks of a puppy’s life are critical for shaping adult behavior. Our About Us approach includes structured, positive socialization during the 8–16 week window—the period when a puppy’s brain is biologically primed to accept new experiences as “normal.
Our Socialization Protocol
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People: Exposure to different ages, appearances, uniforms, mobility aids, and gentle handling of paws, ears, and mouth.
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Surfaces and sounds: Grass, tile, gravel, household appliances, thunder recordings, and traffic noises—introduced gradually and paired with treats.
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Environments: Short car rides, vet “happy visits,” quiet public spaces, and controlled exposure to known, vaccinated dogs.
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Life skills: Crate comfort, name response, leash introduction, and calm settling around distractions.
We follow AVSAB-aligned guidelines: avoiding high-risk areas (dog parks, pet stores with floor access) until puppies are adequately vaccinated, and using puppy classes that require proof of vaccination from all attendees.
In our About Us program, socialization is not an afterthought—it is a daily practice that builds confidence and prevents fear-based behaviors later in life.
What Sets Our Program Apart
Many websites advertise “available puppies,” but few operate with the transparency, health rigor, and lifelong support that define ethical breeding. Our About Us differences include:
1. Transparency and Documentation
We provide verifiable health records for parent dogs, including OFA hip/elbow scores, cardiac evaluations, and eye certifications. Prospective buyers can review photos, videos, and temperament notes on our breeding
2. Home-Raised Litters
Our puppies are raised in a home environment, not kennels. They experience daily household routines, gentle handling by multiple people, and positive exposure to normal life sounds and activities.
3. Lifetime Support
Our About Us commitment doesn’t end at pickup. We offer ongoing guidance on nutrition, training, vet care, and breed-specific needs throughout your dog’s life. If life circumstances change, our contracts include a take-back/rehoming clause to ensure no dog we breed ever ends up in a shelter.
4. Careful Buyer Screening
We evaluate every application to ensure families are prepared for the responsibilities of a giant breed. This protects both our puppies and your long-term success as an owner.
Our Commitment to Health: Beyond the Puppy Stage
Giant breeds have unique health considerations that extend well beyond puppyhood. Our About Us health program includes education and prevention strategies to help you raise a thriving English Mastiff or Bullmastiff.
Bloat (GDV) Awareness and Prevention
Gastric Dilatation-Volvulus (bloat) is a life-threatening emergency that deep-chested breeds are predisposed to. We educate every family on:
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Feeding 2–3 smaller meals per day instead of one large meal.
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Avoiding vigorous exercise right before and after eating.
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Using slow-feeder bowls to reduce air intake.
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Discussing prophylactic gastropexy (stomach tacking) with their vet, especially at spay/neuter time.
Nutrition for Lifelong Joint Health
We provide feeding plans tailored to giant-breed growth curves, emphasizing:
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Giant-breed puppy formulas to control calcium and energy density.akcstuddogs+1
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Measured meals to maintain lean growth and reduce stress on developing joints.
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Regular body condition assessments with your vet to adjust portions as needed.
Veterinary Partnership
We work closely with veterinarians experienced in giant breeds to ensure our breeding dogs and puppies receive optimal care. Every puppy leaves with a health record, age-appropriate vaccinations, deworming schedule, and microchip registration.
Our Values: Integrity, Accountability, and Love
Our About Us values guide every decision we make:
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Integrity: We are honest about the challenges and rewards of owning a giant breed.
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Accountability: We stand behind our puppies with health guarantees and lifelong support.
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Love: We raise each puppy as part of our family, with attention to individual temperament and needs
These values are not marketing slogans—they are the principles that define our About Us identity and the reason families trust us with one of the most important decisions they’ll make: choosing a lifelong companion.
Frequently Asked Questions (About Us)
What health tests do you perform on your breeding dogs?
We perform OFA hip and elbow evaluations, cardiac screening by a board-certified cardiologist, annual CAER eye certifications, and breed-specific genetic testing where applicable. Documentation is available to prospective buyers.
How do you socialize your puppies?
Our puppies receive daily, structured exposure to people, surfaces, sounds, handling, car rides, vet “happy visits,” and controlled interactions with known, vaccinated dogs during the critical 8–16 week window. We follow AVSAB-aligned safety guidelines to minimize disease risk while maximizing positive experiences.
Do you offer a health guarantee?
Yes. Our About Us contracts include a health guarantee and a take-back/rehoming clause https://www.greenfieldpuppies.com/english-mastiff-puppies-for-sale/to ensure no dog we breed ever ends up in a shelter.
How do I apply for a puppy?
Submit an inquiry through our website, telling us about your home, lifestyle, experience, and why you’re drawn to English Mastiffs or Bullmastiffs. We’ll schedule a consultation call to discuss fit and answer questions.
What support do you provide after I bring my puppy home?
Lifetime support. We’re available for guidance on nutrition, training, vet care, and breed-specific needs throughout your dog’s life.
Meet Our Team (About Us)
Our About Us team consists of lifelong doghttps://www.greenfieldpuppies.com/english-mastiff-puppies-for-sale/ enthusiasts, Mastiff advocates, and dedicated caregivers who understand the unique needs of giant breeds. We combine hands-on experience with ongoing education in canine genetics, behavior, and preventive health to ensure every litter meets our high standards.
We believe that breeding is a privilege, not a right—and that every puppy we raise carries the responsibility of representing our program for life. That’s why we invest so deeply in health testing, early socialization, and family education.
Our Promise to You (About Us)
When you choose us, you’re not just buying a puppy—you’re entering a partnership built on trust, transparency, and shared love for these magnificent dogs. Our About Us promise includes:
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Health breeding: Verifiable health testing on all parent dogs.
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Temperament-focused selection: Puppies raised for calm confidence and family safety.
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Ethical placement: Careful screening to ensure every home is prepared for a giant breed.
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Lifelong support: Guidance and resources for the life of your dog.
This is the heart of our About Us page—and the foundation of every relationship we build with our puppy families.
Our Story
At Fortress Mastiffs, we share a deep love and commitment to our Bull and English Mastiff puppies. These gentle giants are more than pets—they’re family, bringing warmth, loyalty, and joy into any home. We nurture our puppies with care, ensuring they grow up healthy, well-socialized, and ready to become beloved members of your family. Known for their gentle temperament and protective nature, Bull and English Mastiffs make ideal companions, especially for families. Our dedication to responsible breeding ensures that each puppy finds a loving home where they can thrive and share their boundless affection.
Our Staff
Our staff is a dedicated team of professionals who share a passion for these gentle giants, providing them with the highest level of care and attention. With extensive experience and a genuine love for animals, our team is committed to nurturing well-socialized, healthy puppies and matching them with loving families. Together, we create a supportive environment where both our puppies and their future owners can thrive.
our values are the foundation of everything we do. We are committed to ethical breeding practices, ensuring the health, happiness, and well-being of our Bull and English Mastiff puppies. Integrity, compassion, and responsibility guide our actions as we strive to provide each puppy with a loving start in life. We believe in creating strong bonds between our puppies and their future families, fostering relationships built on trust and care. Our dedication to excellence ensures that every puppy we raise is healthy, well-socialized, and ready to bring joy to their new homes.
We believe in responsible breeding and ensuring that each puppy is matched with a loving family that understands their needs. Whether you’re looking for a playful companion or a protective guardian, our Bull and English Mastiff puppies are raised to be loving and well-behaved members of your family. Experience the joy and companionship of our Bull and English Mastiff puppies. Contact us today to meet your new best friend!
Our puppies are healthy, vet-checked, and come with a health guarantee for one year. we have some of the best Bull and English Mastiff puppies you will find anywhere. After purchasing one or more of the puppies from us, we still have your back. It doesn’t mean that the whole deal ends there. Finally, if the need arises, we can arrange expert or do it ourselves, cost-effective and safe solutions for the puppies’ transit to their new homes, which relieves this particular burden from the two parties. Our goal for the future is to popularize a transparent, open way that ultimately helps our puppies in finding new homes for the benefit of all involved.
Get In Touch With Us
From our nursery to your home, we put love and intention into every step of raising our puppies. Learn more about our adoption process, puppy care, and what to expect when bringing one of these big-hearted companions home.