American Masti-Bull - Dog Breed Info, Temperament & Facts

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In the 1960s, the American Masti-Bull was created by crossbreeding the American Bulldog and the Mastiff. This resulted in a large to enormous dog with a strong protective instinct and a loyal nature. However, it is important to note that this breed can also be aggressive when required. While the Masti-Bull doesn’t require a lot of grooming, it does tend to drool a lot, which may catch new owners off guard.

Regular exercise is essential for the Masti-Bull, even though they may not be naturally very active. This helps prevent them from becoming bored and developing destructive behaviors. Additionally, regular physical activity is crucial for maintaining their overall well-being and health.

Below, we look at American Masti-Bull dog breed, its history, personality, pros and cons of owning an American Masti-Bull, characteristics, and must-know facts. We will also examine how to care for this breed and much more. Prepare for a tail-wagging adventure into the world of American Masti-Bulls!

Dog Breed American Masti-Bull
Size Large
Weight 100-150 lbs (average)
Height 23-29″ (average)
Location United States
Ancestry American Bulldog, Mastiff
Date of Origin 1960s
Group Guard Dog
Life Expectancy 10-12 years
Price $500 – $600
Family Canidae
Scientific Name Canis Lupus Familiaris

📖 Breed History

The American Masti-Bull is a hybrid dog breed that is created by crossing an American Bulldog with a Mastiff, also known as the English Mastiff. Sometimes, this hybrid breed is referred to as the American Bandogge Mastiff, which can be a bit confusing. This term is used to describe hybrids that are a result of breeding any type of Bulldog with any type of Mastiff. The origins of this crossbreeding can be traced back to the 1960s when two breeders, John Swinford and Joe Lucero, started experimenting with creating the best guard dog. Swinford, an American veterinarian, and Lucero called their dogs American Bandog Mastiffs.

The American Bulldog is more closely related to the bull-baiting dogs of 17th century Great Britain rather than the English Bulldog. It is believed that the American Bulldog was brought to the United States during the colonial period and used for activities such as bull, bear, and buffalo baiting. In the southern states, farmers utilized them to catch feral pigs and cattle. The modern American Bulldog can trace its lineage back to these southern ancestors who thrived in Alabama and Georgia. Although the breed gained popularity in the 1980s as a guard and family dog, it is still not recognized by the American Kennel Club (AKC).

On the other hand, the Mastiff, also known as the English Mastiff, was initially bred as a guard dog. The exact origins of the Mastiff are unknown, but there is evidence of the breed dating back to 55 B. C. , as documented by Caesar after the Roman invasion of Britain. Even earlier accounts of Mastiffs have been discovered on ancient Egyptian monuments from 3000 B. C. The Mastiff breed was officially recognized by the AKC in 1885.

🐕 American Masti-Bull Appearance

An American Bulldog and a Mastiff were crossed to create the huge hybrid dog known as the American Masti-Bull. Even though it is smaller than a Mastiff, it nevertheless has the massive dog’s solid bones. It has a lot of muscle and may weigh over 100 pounds, just like the Bulldog. Strong legs hold up a wide and deep chest. A bulldog-like head with broader bulldog traits is supported by a well-muscled neck. A quick snort results in a broad nose. Fine, short, thick, and near to the body hair makes up the coat. Brindle, fawn, brown, black, blue, red, and white are just a few examples of coat hues. White marks can appear on a coat of any hue.

👀 Eye Color Brown
🐽 Nose Color Black, Brown, Fawn, Brindle, Red, Gray, Blue
🐕 Coat Color Ranges

Fun Fact: American Masti-Bull dogs are a social breed. They enjoy being around people or other animals. This breed doesn’t tolerate being left alone.

🐶 Traits & Temperament of American Masti-Bull

We are reviewing and looking at the data related to the temperament, behavior, and traits of this dog breed. Please stay tuned for our update available shortly.

🤝 Are American Masti-Bulls Friendly or Aggressive?

American Masti-Bull dogs are generally sociable with other pets and have an average level of friendliness towards strangers. They are particularly fond of children and thrive in their company. These dogs also tend to get along well with cats and have an average level of friendliness towards other dogs. Due to their calm and gentle nature, American Masti-Bulls are considered one of the top breeds for elderly individuals, providing them with companionship and comfort.

In summary, American Masti-Bull dogs are known for their friendly and amiable disposition towards other pets, strangers, and especially children. They are also compatible with cats and have a moderate level of friendliness towards other dogs. These qualities make them an excellent choice for elderly people seeking a loyal and gentle companion.

This breed is known for being:

  • Loving
  • Energetic
  • Protective
  • Alert
  • Courageous
  • Intelligent
  • Affectionate
  • Loyal
  • Gentle
  • Going
  • Social
  • Cheerful

🐩 American Masti-Bull Care & Maintenance

The American Masti-Bull sheds fairly mildly, therefore grooming requirements are minimal. To reduce shedding by eliminating dead hair and dandruff, this breed’s fine, short hair requires routine cleaning with a strong bristle or rubber brush. The coat will stay healthy and clean with the occasional bath, which shouldn’t happen more than once a month. This breed is not hypoallergenic: the American Masti-Bull. Keeping an eye on and cleaning the ears and eyes on a regular basis might lower the chance of infection. Additionally, keeping an eye out for allergies or infections on the skin might let you know whether the breed is susceptible to any issues. Elbow dysplasia, cherry eye, and other potentially expensive medical issues are frequent in American Masti-Bulls. To prevent exorbitant veterinarian care costs, get pet health insurance right now. You may compare policies from renowned firms like Figo and Spot using our tool for pet insurance. With only a few clicks, find your pet’s “pawfect” plan!

American Masti-Bull dogs have a moderate amount of shedding, which is a normal part of their hair growth cycle. Regular brushing can help minimize the amount of hair that is shed. The shedding may vary depending on their overall health and the specific breed they belong to. In terms of bathing, it is recommended to give them a bath every 4 to 6 weeks.

🍖 Food: We recommend few cups daily, costing you about $0.49 – $1.49 daily, or around $30.00 a month.

🐾 Exercise: American Masti-Bull dogs have an average exercise need. This breed is satisfied with short walks every weekday and a long ones on weekends.

This dog breed requires to be walked for roughly few miles per week, which equates to about 60 minutes of physical activity daily. This consistent moderate exercise regimen will help maintain their physical wellness and significantly contribute to their mental stimulation. Consciously setting aside this time for your furry friend can dramatically enhance their life quality, helping them stay energetic, healthy, and mentally alert.

Did you know: American Masti-Bull dogs have an average energy level, so if you live a semi-active life, this breed can be a good choice for you.

❤️‍🩹 American Masti-Bull Health & Issues

Some of the major concerns for American Masti-Bull Dog Breed can be:

  • Elbow Dysplasia
  • Progressive Retinal Atrophy
  • Hip Dysplasia
  • Hypothyroidism
  • Seizures

While minor concerns include:

  • Demodectic Mange
  • Cherry Eye
  • Cataracts
  • Skin Allergies
  • Bloat

🤧 Important: Is American Masti-Bull hypoallergenic? No.

Bonus: Check out cool, creative, and funny names for American Masti-Bull.

⚡ American Masti-Bull Dog Breed Facts

What makes the American Masti-Bull a great choice for families with young children?
The American Masti-Bull is a great choice for families with young children because they are known to be loyal and affectionate with their families. They can form strong bonds with children and are generally patient and gentle with them. However, supervision is always recommended when young children interact with any dog breed.

Is the American Masti-Bull breed considered a suitable breed for apartment living?
The American Masti-Bull breed is not considered a suitable breed for apartment living. Due to their large to giant size, they require a spacious living environment where they have room to move around comfortably. They are more suited for homes with a yard or access to outdoor space for exercise.

How much exercise does a American Masti-Bull require compared to other breeds?
The American Masti-Bull requires a moderate amount of exercise compared to some other breeds. While they are not highly active, they still need daily exercise to prevent boredom and maintain their overall health. A minimum of 30 minutes to an hour of exercise, such as walks or playtime, is recommended for this breed.

Is the American Masti-Bull breed known for being good with other pets?
The American Masti-Bull breed has a variable temperament when it comes to other pets. Some individuals may get along well with other animals, especially if properly socialized from a young age. However, others may have a high prey drive and may not be suitable for households with small pets. It is important to introduce them to other animals gradually and observe their behavior closely.

What are other low-maintenance dog breeds similar to the American Masti-Bull?
Some low-maintenance dog breeds similar to the American Masti-Bull include the Bullmastiff, Boxer, and Great Dane. These breeds generally have similar grooming requirements and are relatively low-maintenance in terms of coat care.

What are the common health issues that American Masti-Bulls are prone to?
Common health issues that American Masti-Bulls are prone to include hip dysplasia, elbow dysplasia, and bloat. Regular vet check-ups, a balanced diet, and appropriate exercise can help mitigate the risk of these health issues.

Are American Masti-Bulls known to be easy to train compared to other breeds?
American Masti-Bulls are generally known to be moderately easy to train. They are intelligent and eager to please, making them responsive to consistent and positive training methods. Early socialization and obedience training are important for any breed, including the American Masti-Bull.

Are American Masti-Bulls more prone to separation anxiety compared to other breeds?
American Masti-Bulls can be prone to separation anxiety, especially if not properly trained and socialized. They are a breed that thrives on human companionship and may become anxious or destructive when left alone for extended periods. It is important to gradually introduce and acclimate them to alone time from a young age to prevent separation anxiety.

Are there any dog breeds similar to the American Masti-Bull that are suitable for people with allergies?
Some dog breeds similar to the American Masti-Bull that are suitable for people with allergies include the Labradoodle, Goldendoodle, and Portuguese Water Dog. These breeds are known to have hypoallergenic coats, which means they produce fewer allergens and may be more suitable for individuals with allergies.

What sizes of dogs similar to the American Masti-Bull are best for individuals or families with limited space?
For individuals or families with limited space, smaller-sized dogs similar to the American Masti-Bull may be a better fit. Breeds such as the Bulldog, French Bulldog, and Staffordshire Bull Terrier are smaller in size but share some characteristics with the American Masti-Bull.

Is the American Masti-Bull breed known to be good with children with special needs?
The American Masti-Bull breed can be good with children with special needs, but caution and close supervision are always recommended. Their loyal and affectionate nature can be beneficial for children with special needs, but it is important to assess the individual dog’s temperament and behavior before making any assumptions.

How does the grooming and shedding needs of the American Masti-Bull?
The grooming and shedding needs of the American Masti-Bull are relatively low. They have short coats that require minimal grooming, such as occasional brushing to remove loose hair. However, they are known to drool a lot, which can be more than first-time owners expect. Therefore, regular cleaning and wiping of the mouth and face may be necessary to manage the drooling.


We use reliable and publicly available data and resources such as AKC and American Canine Registry to ensure that American Masti-Bull dog breed information is accurate and up to date. If you spot an error, please don’t hesitate to bring it to our attention.

Max Kozinskiy
Max Kozinskiy
Max Kozinskiy is a seasoned writer and an enthusiast of dog breed expertise. Having dedicated over 5 years to studying the intricacies of different dog breeds and their unique characteristics. His profound insights and love for our four-legged friends have made him an invaluable part of our DogsInsights.com team.

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