Bullmastiff vs American Staffordshire Terrier vs Mastiff Comparison - Dog breed selector: Bullie or Stafford or Old English Mastiff? Find the right dog for you
"Find similarities and differences between Bullmastiff vs American Staffordshire Terrier vs Mastiff"
Compare Bullmastiff and American Staffordshire Terrier. Which is better: Bullmastiff or American Staffordshire Terrier or Mastiff?
Name | Bullmastiff | American Staffordshire Terrier | Mastiff |
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Origins | ![]() | ![]() | ![]() |
Group | Working Dogs | Hunting Dogs | Working Dogs |
Popularity Rank | 51 | 83 | 28 |
Reviews | 1 | 7 | 3 |
User Ratings |
Common Names & Aliases
Compare alternative names and nicknames used for Bullmastiff, American Staffordshire Terrier, and Mastiff breeds. |
Bullie Bully |
Stafford Staffy Amstaff |
Old English Mastiff English Mastiff |
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Breed Classification
How do breed classifications differ between Bullmastiff, American Staffordshire Terrier, and Mastiff? Compare their breeding categories. | Purebred | Purebred | Purebred |
Bullmastiff vs American Staffordshire Terrier vs Mastiff Size and Weight Comparison
Size Classification
Compare size differences between Bullmastiff, American Staffordshire Terrier, and Mastiff. Which breed is the largest? | Large | Medium | Giant |
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Weight Statistics
How do weights compare between Bullmastiff, American Staffordshire Terrier, and Mastiff? Compare adult weight ranges. | Male: 110-133 pounds (50–60 kg), Female: 100-120 pounds (45-55 kg) | 57-67 pounds (25-30 kg) | Male: 150-250 pounds (68-113 kg), Female: 120-180 pounds (54-82 kg) |
Average Weight
Which dog has a smaller / higher average weight? | Male: 121.5 pounds (50–60 kg), Female: 110 pounds (50 kg) | 62 pounds (27.5 kg) | Male: 200 pounds (90.5 kg), Female: 150 pounds (68 kg) |
Height
Which is taller, Bullmastiff or American Staffordshire Terrier or Mastiff? Bullmastiff vs American Staffordshire Terrier vs Mastiff height comparison: | Male: 25-27 inches (63–69 cm), Female: 24-26 inches (61–66 cm) | Male: 17-19 inches (43-48 cm), Female: 16-18 inches (41-46 cm) | Male: 30 inches (76 cm), Female: 27.5 inches (70 cm) |
Average Height
Which dog has a smaller / higher average height? | Male: 26 inches (63–69 cm), Female: 25 inches (61–66 cm) | Male: 18 inches (45.5 cm), Female: 17 inches (43.5 cm) | Male: 30 inches (76 cm), Female: 27.5 inches (70 cm) |
Bullmastiff vs American Staffordshire Terrier vs Mastiff Price and Availability Comparison
Price Range
Compare puppy costs for Bullmastiff, American Staffordshire Terrier, and Mastiff. Find price differences between these breeds. | $1200-$1500 | $800-$1000 | $1200-$1500 |
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Availability
Which is easier to get, Bullmastiff or American Staffordshire Terrier or Mastiff? | Very frequent: The Bullmastiff is quite easy to get. | Very frequent: The American Staffordshire Terrier is quite easy to get. | Very frequent: The Mastiff is quite easy to get. |
Bullmastiff vs American Staffordshire Terrier vs Mastiff Trainability and Intelligence Comparison
Intelligence Rating
Compare intelligence levels between Bullmastiff, American Staffordshire Terrier, and Mastiff. Which breed ranks highest? | Low to average: This canine intelligence is not the brightest one. | Smart: The American Staffordshire Terrier dogs have great intelligence. | Average: It takes patience to teach this breed any tricks or commands, but the effort is worth it. |
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Training Difficulty
Compare training difficulty levels between Bullmastiff, American Staffordshire Terrier, and Mastiff. Which is easiest to train? | Bullmastiff dogs are quite easy to train. | American Staffordshire Terrier dogs are easy to train. | Mastiff dogs are quite easy to train. |
Watchdog Rating
Compare watchdog abilities of Bullmastiff, American Staffordshire Terrier, and Mastiff. Which breed is most alert? | Bullmastiff dogs are one of the best watchdogs. | American Staffordshire Terrier dogs are average watchdogs. | Mastiff dogs are one of the best watchdogs. |
Territorial Protection
Compare territorial instincts between Bullmastiff, American Staffordshire Terrier, and Mastiff. Which breed is most protective? | Bullmastiff dogs are extremely protective guard dogs. | American Staffordshire Terrier dogs are average defenders. | Mastiff dogs are extremely protective guard dogs. |
Bullmastiff vs American Staffordshire Terrier vs Mastiff Personality and Temperament Comparison
Personality Traits
How do personalities differ between Bullmastiff, American Staffordshire Terrier, and Mastiff? Compare temperaments. |
Protective Alert Powerful Courageous Docile Reliable Loyal Devoted Calm |
Courageous Intelligent Friendly Loyal Devoted Attentive Tenacious |
Protective Alert Courageous Intelligent Affectionate Loyal Cheerful |
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Sensitivity Level
Which dog is more sensitive? What's the difference? | They are a little bit more sensitive than other dog breeds. | American Staffordshire Terrier dogs have an average emotional level and are not the most sensitive dog breed. | Mastiff dogs have an average emotional level and are not the most sensitive dog breed. |
Affection Level
Which is the more affectionate dog breed: Bullmastiff vs American Staffordshire Terrier vs Mastiff? | Average: Bullmastiff dogs are average dogs regarding their affection level. | High: American Staffordshire Terrier dogs are genuinely loyal, soft and gentle, loving, and affectionate dogs toward their handlers. | High: Mastiff dogs are genuinely loyal, soft and gentle, loving, and affectionate dogs toward their handlers. |
Social Needs
Bullmastiff vs American Staffordshire Terrier vs Mastiff social needs comparison: | Bullmastiff dogs need for social interaction is average. | American Staffordshire Terrier dogs are a social breed. | Mastiff dogs need for social interaction is average. |
Impulse to Wander or Roam
Which dog has a greater roaming instinct? | Bullmastiff dogs have average wanderlust potential. | American Staffordshire Terrier dogs have average wanderlust potential. | Mastiff dogs are not the biggest explorers. |
Prey Drive
Which dog has a higher prey drive? Which can be better for hunting? | Bullmastiff dogs have an average prey drive, which means that they don't have a high impulse to chase and catch something like a cat or any other small aminals, but it might happen. | American Staffordshire Terrier dogs have an average prey drive, which means that they don't have a high impulse to chase and catch something like a cat or any other small aminals, but it might happen. | Their prey drive is low. |
Bullmastiff vs American Staffordshire Terrier vs Mastiff Activity and Playfulness Comparison
Barking Frequency
Compare barking frequencies of Bullmastiff, American Staffordshire Terrier, and Mastiff. Which breed is most vocal? | Low: The Bullmastiff barks none to minimal. | Average: The American Staffordshire Terrier barks occasionally. | Low: The Mastiff barks none to minimal. |
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Playful Nature
Compare playfulness levels between Bullmastiff, American Staffordshire Terrier, and Mastiff. Which breed is most playful? | Bullmastiffs are not the most playful dog breed. | The American Staffordshire Terrier is a playful breed. | Mastiffs are not the most playful dog breed. |
Apartment Adaptability
Compare apartment suitability of Bullmastiff, American Staffordshire Terrier, and Mastiff. Which adapts best to small spaces? | It is not the best choice if you want to keep them indoors, however, with careful exercise and several walks a day, they will tolerate the indoor environment, so it is possible to keep Bullmastiff indoors. | It is not recommended to keep the American Staffordshire Terrier breed in the home. | It is not the best choice if you want to keep them indoors, however, with careful exercise and several walks a day, they will tolerate the indoor environment, so it is possible to keep Mastiff indoors. |
Bullmastiff vs American Staffordshire Terrier vs Mastiff Adaptability and Independence Comparison
Lifestyle Adaptability
Compare adaptability between Bullmastiff, American Staffordshire Terrier, and Mastiff. Which breed is most flexible? | Average: Bullmastiff dogs adapt to lifestyle changes and different living environments quite okay usually. | Average: American Staffordshire Terrier dogs adapt to lifestyle changes and different living environments quite okay usually. | Mastiff dogs adapt very well to lifestyle changes and basically all living environments. |
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Alone Time Tolerance
Which dog can be left alone: Bullmastiff or American Staffordshire Terrier or Mastiff? | Just like every puppy, they are prone to panic, cry, bark, whine when they left alone by their owner. | American Staffordshire Terrier dogs do best when a family member is at home during the day or if their workplace is dog-friendly so they can take the dog at work. | Just like every puppy, they are prone to panic, cry, bark, whine when they left alone by their owner. |
Bullmastiff vs American Staffordshire Terrier vs Mastiff Bite Characteristics Comparison
Bite Risk Assessment
Compare biting potential between Bullmastiff, American Staffordshire Terrier, and Mastiff. Which has lowest bite risk? | Low 🔽 The Bullmastiff has a low chance of biting somebody. | Low 🔽 The American Staffordshire Terrier has a low chance of biting somebody. | Moderate ⏺ The Mastiff has an average chance of biting somebody. |
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Mouthing Tendency
Compare mouthing tendencies between Bullmastiff, American Staffordshire Terrier, and Mastiff. Which uses mouth most during play? | Bullmastiff dogs have an average tendency to nip, chew, playbite, or herd people. | American Staffordshire Terrier dogs have a strong tendency to nip, chew, play-bite, or herd people. | Mastiff dogs have a higher than average tendency to nip, chew, playbite, or herd people. |
Bite Strength Rating
Compare bite forces between Bullmastiff, American Staffordshire Terrier, and Mastiff. Which has the strongest bite? | Between 200 and 400 PSI ⏺ Bullmastiff bite force: Ordinary. | Between 200 and 400 PSI ⏺ American Staffordshire Terrier bite force: Ordinary. | Above 400 PSI 🔼 Mastiff bite force: The Strongest. |
Bullmastiff vs American Staffordshire Terrier vs Mastiff Health and Lifespan Comparison
Average Lifespan
Compare life expectancies of Bullmastiff, American Staffordshire Terrier, and Mastiff. Which breed lives longest? |
8-10 years The average lifespan of Bullmastiff: 9 years |
12-14 years The average lifespan of American Staffordshire Terrier: 13 years |
10-12 years The average lifespan of Mastiff: 11 years |
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Climate Tolerance
Compare weather adaptability between Bullmastiff, American Staffordshire Terrier, and Mastiff. Which handles climate changes best? | Prefers average to cold weather conditions The Bullmastiff can adapt to well to cold weather conditions, some dogs even can be a good mountain dog. | Prefers average to warm weather conditions Different dogs have different preferences when it comes to weather conditions. | Prefers average to cold weather conditions The Mastiff can adapt to well to cold weather conditions, some dogs even can be a good mountain dog. |
Health Concerns
Compare health problems common in Bullmastiff, American Staffordshire Terrier, and Mastiff. Which has fewer health issues? | Very healthy dog breed. | The American Staffordshire Terrier is a healthy breed, but there are certain health issues that you should check with your vet regularly. | Mastiffs are commonly healthy dogs. |
Vet Care Frequency
Which one may need more or less veterinary visits? |
Rare The Bullmastiff should have a complete physical check-up at least every 12-18 months (but preferably once per year). |
Average The American Staffordshire Terrier should have a complete physical check-up at least once per year. |
Rare The Mastiff should have a complete physical check-up at least every 12-18 months (but preferably once per year). |
Health Problems
Which one has more or less genetic/health problems: Bullmastiff vs American Staffordshire Terrier vs Mastiff? What are the allergies, genetic diseases and concerns for them? Bullmastiff vs American Staffordshire Terrier vs Mastiff health problems comparison: |
Cancer Hypothyroidism Progressive retinal atrophy (PRA) Heart Problems Entropion Kidney Issues Hemangiosarcoma Lymphosarcoma Osteosarcoma | No data available | Hip Dysplasia Cancer Progressive retinal atrophy (PRA) Bloat Seizures Cystinuria |
Bullmastiff vs American Staffordshire Terrier vs Mastiff Energy and Activity Comparison
Energy Rating
Compare energy levels between Bullmastiff, American Staffordshire Terrier, and Mastiff. Which breed is most active? | Bullmastiff dogs have a lower energy level than other dogs. | American Staffordshire Terrier dogs have an average energy level, so if you live a semi-active life, this breed can be a good choice for you. | Mastiff dogs have a lower energy level than other dogs. |
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Activity Requirement / Exercise Need
Bullmastiff vs American Staffordshire Terrier vs Mastiff exercise need comparison. Which dog needs more activity? Which dog needs the most exercise: Bullmastiff or American Staffordshire Terrier or Mastiff? Which dog needs the most walking? Which dog is the laziest? | Bullmastiff dogs exercise need is minimal. | American Staffordshire Terrier dogs need quite a lot of exercise. | Mastiff dogs exercise need is minimal. |
Sleeping Need
Which one sleeps the least/most: Bullmastiff or American Staffordshire Terrier or Mastiff? | Bullmastiff dogs like sleeping so they do sleep a lot. | American Staffordshire Terrier dogs sleep 12-14 hours a day as an average dog and they're not considered a lazy breed. | Mastiff dogs like sleeping so they do sleep a lot. |
Bullmastiff vs American Staffordshire Terrier vs Mastiff Diet and Weight Management Comparison
Obesity Tendency
Compare weight gain tendencies between Bullmastiff, American Staffordshire Terrier, and Mastiff. Which is most prone to obesity? | High: The Bullmastiff breed has a strong tendency to be overweight. | Low to Average: The American Staffordshire Terrier has a low to the average risk for obesity. | Average to High: If you don't pay attention to the Mastiff's weight, he can easily gain weight. |
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Food Consumption
Compare food requirements between Bullmastiff, American Staffordshire Terrier, and Mastiff. Which needs most food? | 3 to 4.5 cups of high-quality dry food a day, divided into two meals. | 2.5 to 3 cups of high-quality dry food a day, divided into two meals. | 8 to 10 cups of high-quality dry food a day, divided into two meals |
Bullmastiff vs American Staffordshire Terrier vs Mastiff Allergies and Grooming Comparison
Allergy Friendliness
Compare hypoallergenic qualities of Bullmastiff, American Staffordshire Terrier, and Mastiff. Which is best for allergy sufferers? | No See more. | No See more. | No See more. |
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Coat Colors
Compare color variations between Bullmastiff, American Staffordshire Terrier, and Mastiff. What colors are available? | Red Fawn Brindle |
Black Blue White Brown |
Fawn Brindle Apricot |
Grooming Requirements
Compare grooming needs between Bullmastiff, American Staffordshire Terrier, and Mastiff. Which requires most maintenance? | Easy to groom: The Bullmastiff doesn't require a lot of grooming. | Effortless: The American Staffordshire Terrier requires minimal grooming. | Easy to groom: The Mastiff doesn't require a lot of grooming. |
Drooling Tendency
Compare drooling tendencies between Bullmastiff, American Staffordshire Terrier, and Mastiff. Which drools least? | The Bullmastiff is a big drooler, so if you're disgusted by slobber spots on your clothes, you should choose a dog from another breed. | The American Staffordshire Terrier is an average drooler. | The Mastiff is a big drooler, so if you're disgusted by slobber spots on your clothes, you should choose a dog from another breed. |
Stinkiness Rating
Compare odor levels between Bullmastiff, American Staffordshire Terrier, and Mastiff. Which has least natural smell? | High 🔼 The Bullmastiff has a high chance of bad smell. | Medium ⏺ The American Staffordshire Terrier has an average chance of bad smell. | High 🔼 The Mastiff has a high chance of bad smell. |
Coat Characteristics
Compare coat types between Bullmastiff, American Staffordshire Terrier, and Mastiff. How do their fur characteristics differ? | Rough | Fine | Dense |
Bathing Needs
Compare bathing needs between Bullmastiff, American Staffordshire Terrier, and Mastiff. Which requires most frequent baths? | 4-6 weeks Average. Experts recommended at least every 4-6 weeks for this family pup. | 3-4 weeks More often than average. These dog coats tend to be longer, softer, and oilier than short-haired breeds. | 4-6 weeks Average. Experts recommended at least every 4-6 weeks for this family pup. |
Shedding Level
Who sheds more Bullmastiff or American Staffordshire Terrier or Mastiff? Bullmastiff or American Staffordshire Terrier or {name3 shedding: | Bullmastiff dogs shed moderately. | American Staffordshire Terrier dogs shed none to minimal. | Mastiff dogs shed moderately. |
Bullmastiff vs American Staffordshire Terrier vs Mastiff Good With Comparison
Child Compatibility
Compare child-friendliness between Bullmastiff, American Staffordshire Terrier, and Mastiff. Which is best with kids? | Bullmastiff dogs are kid-friendly dogs. | American Staffordshire Terrier dogs are kid-friendly dogs. | Mastiff dogs are very kid-friendly dogs. |
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Pet Compatibility
Which dog breeds get along well with other animals/pets? | Bullmastiff dogs do best when they’re the only pet at the family. | American Staffordshire Terrier dogs do best when they’re the only pet at the family. | Mastiff dogs are one of the friendliest dog breeds. |
Stranger Friendly
Which dog is more stranger friendly Bullmastiff or American Staffordshire Terrier or Mastiff? Which dog is more friendly? | Bullmastiff dogs are average friendly towards strangers. | American Staffordshire Terrier dogs are stranger-friendly dogs. | Mastiff dogs are average friendly towards strangers. |
Cat Friendly
Which dog is more cat friendly Bullmastiff or American Staffordshire Terrier or Mastiff? | Bullmastiff dogs are not cat-friendly dogs. | American Staffordshire Terrier dogs are not cat-friendly dogs. | Mastiff dogs are very cat-friendly dogs. |
Dog Friendly
Which dog is more dog friendly Bullmastiff or American Staffordshire Terrier or Mastiff? | Bullmastiff dogs are not dog-friendly. | American Staffordshire Terrier dogs are not dog-friendly. | Mastiff dogs are average friendly towards other dogs. |
Good For First Time Owners
Which dog is good for the first-time owners: Bullmastiff vs American Staffordshire Terrier vs Mastiff? |
Yes Bullmastiff dogs are good for novice owners, due to their easy-going personality. |
Yes American Staffordshire Terrier dogs are good for novice owners, due to their easy-going personality. |
Yes Mastiff dogs are good for novice owners, due to their easy-going personality. |
Office Friendly
Which one fits better in the office? |
No Bullmastiff is not the best dog breed for office environment. |
Yes American Staffordshire Terrier is one of the best dog breeds for office environment |
No Mastiff is not the best dog breed for office environment. |
Senior Citizens Friendly
Which dog is good for elderly people? | Bullmastiffs are usually recommended for elderly people. | American Staffordshire Terriers are usually recommended for elderly people. | Mastiffs are one of the best breeds for elderly people. |
Bullmastiff vs American Staffordshire Terrier vs Mastiff As a Working Dog Comparison
Service Dog Capability
Compare service dog potential between Bullmastiff, American Staffordshire Terrier, and Mastiff. Which is best suited for service work? | Not really This breed generally not used as a service dog. | Yes This breed makes good as a service dog. | Not really This breed generally not used as a service dog. |
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Therapy Work Suitability
Compare therapy dog potential between Bullmastiff, American Staffordshire Terrier, and Mastiff. Which excels in therapy work? | Yes This breed makes a perfect therapy dog. | Not really This breed is generally not used as a therapy dog. | Not really This breed is generally not used as a therapy dog. |
Scent Detection Ability
Compare detection capabilities between Bullmastiff, American Staffordshire Terrier, and Mastiff. Which has best nose work ability? | Not really They are not typically employed for this type of work, but there may be exceptional cases. | Not really They are not typically employed for this type of work, but there may be exceptional cases. | Not really They are not typically employed for this type of work, but there may be exceptional cases. |
Search & Rescue Potential
Compare search and rescue potential between Bullmastiff, American Staffordshire Terrier, and Mastiff. Which is best for SAR work? | Not really This dog breed is not typically used as a search and rescue dog. | Not really This dog breed is not typically used as a search and rescue dog. | Not really This dog breed is not typically used as a search and rescue dog. |
Maritime Work Ability
Compare boating aptitude between Bullmastiff, American Staffordshire Terrier, and Mastiff. Which is best suited for water work? | Not really Bullmastiff breed usually doesn't like being on a boat. | Not really American Staffordshire Terrier breed usually doesn't like being on a boat. | Not really Mastiff breed usually doesn't like being on a boat. |
Draft Work Capability
Compare cart pulling abilities between Bullmastiff, American Staffordshire Terrier, and Mastiff. Which is best for draft work? | Yes A drafting dog or draft dog is a dog bred and used for cart pulling. | Not really A drafting dog or draft dog is a dog bred and used for cart pulling. | Yes A drafting dog or draft dog is a dog bred and used for cart pulling. |
Military Service Background
Compare military service history of Bullmastiff, American Staffordshire Terrier, and Mastiff. Which has most military use? | Not really In history, this breed was not really used for combat dog. | Yes In history, this breed was unfortunately used for combat dogs. | Not really In history, this breed was not really used for combat dog. |
Bullmastiff vs American Staffordshire Terrier vs Mastiff Reproducibility Comparison
Puppy Litter Size
Compare typical litter sizes of Bullmastiff, American Staffordshire Terrier, and Mastiff. Which has most puppies? | 4-13 puppies, average 8 | 5-10 puppies | 3-5 puppies |
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Pregnancy Duration
Compare gestation periods of Bullmastiff, American Staffordshire Terrier, and Mastiff. Any breeding differences? | 60-64 days See more. | 60-64 days See more. | 60-64 days See more. |
Breeding Frequency
Compare breeding intervals between Bullmastiff, American Staffordshire Terrier, and Mastiff. What's recommended? | Once a year. More frequent breeding is not healthy. | Once a year. More frequent breeding is not healthy. | Once a year. More frequent breeding is not healthy. |
Bullmastiff vs American Staffordshire Terrier vs Mastiff Recognition Comparison
AKC Classification
Compare AKC groups for Bullmastiff, American Staffordshire Terrier, and Mastiff. How are they classified? | Recognized by the American Kennel Club in 1934 as a Working breed. | Recognized by the American Kennel Club in 1936 as a Terrier breed. | Recognized by the American Kennel Club in 1885 as a Working breed. |
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FCI Classification
Compare FCI groups for Bullmastiff, American Staffordshire Terrier, and Mastiff. How are they classified internationally? | Recognized by FCI in the Pinscher and Schnauzer - Molossoid and Swiss Mountain and Cattledogs group, in the Molossian type section. | Recognized by FCI in the Terriers group, in the Bull type Terriers section. | Not recognized by FCI. |
Kennel Club Recognition
Compare breed recognition status of Bullmastiff, American Staffordshire Terrier, and Mastiff. Which has most recognition? |
American Canine Registry American Kennel Club America's Pet Registry Canadian Kennel Club Dog Registry of America Inc. Federation Cynologique Internationale Kennel Club of Great Britain North American Purebred Registry, Inc. American Canine Association, Inc. Australian National Kennel Council Continental Kennel Club National Kennel Club New Zealand Kennel Club | No data available |
American Canine Registry American Kennel Club America's Pet Registry Canadian Kennel Club Dog Registry of America Inc. Federation Cynologique Internationale Kennel Club of Great Britain North American Purebred Registry, Inc. American Canine Association, Inc. Australian National Kennel Council Continental Kennel Club National Kennel Club New Zealand Kennel Club United Kennel Club |
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