Affectionate
Courageous
Gentle
Going
Alert
Energetic
Loving
Social

Protective
Alert
Courageous
Intelligent
Affectionate
Loyal
Cheerful
Faithful

American Bulldogs are moderate shedders, but regular brushing can reduce shedding and maintain coat health.

Mountain Mastiffs are heavy shedders, but regular brushing can help manage shedding and promote a healthy coat.

Choose an American Bulldog if you want a top-notch watchdog. This breed takes guarding seriously, and may not require much training, though obedience or guard dog training can improve their skills.

Mountain Mastiffs make excellent watchdogs - they're vocal and protective of their territory.

English Bulldog, Old English Bulldog, Bull Terrier

Mastiff, Bernese Mountain Dog

American Canine Registry
America's Pet Registry
Dog Registry of America Inc.
North American Purebred Registry, Inc.
Continental Kennel Club
National Kennel Club
United Kennel Club
Backwoods Bulldog Club
Animal Research Foundation
American Rare Breed Association
American Bulldog Association
National American Bulldog Association
John D Johnson Bulldog Registry
American Bulldog Club Of Canada
All American Bulldog Club

ACHC = American Canine Hybrid Club
DBR = Designer Breed Registry
DDKC = Designer Dogs Kennel Club
DRA = Dog Registry of America, Inc.
IDCR = International Designer Canine Registry®

17th Century

Unknown

Blue
Hazel
Brown
Amber

Brown

Black
Brown

Black

Brown
Black
Brindle
Fawn
White
Red

Black
Fawn
Silver
White
Brown

An American Bulldog can have a litter of 10-12 puppies on average. However, it's worth noting that the size of the litters can vary greatly. Factors that can influence litter size include the health of the mother, breeding history, and genetics.

A Mountain Mastiff can have a litter of 1-14 puppies on average. However, it's worth noting that the size of the litters can vary greatly. Factors that can influence litter size include the health of the mother, breeding history, and genetics.

American Bulldogs are susceptible to health issues like all breeds, so it's important to monitor their health and seek veterinary care when needed.

The Mountain Mastiff breed is generally very healthy, requiring minimal vet visits. Still, it's important to keep an eye on their health and seek veterinary care when needed.

Hip And Elbow Dysplasia

Bloat
Kidney Problems
Von Willebrand's Disease
Seizures

Cherry Eye
Thyroid
Kidney Problems
Ichthyosis
Bone Cancer

Hip And Elbow Dysplasia
Eye Problems

Eye Examination
Physical Examination
Allergy Tests
Hip and Elbow X-rays
DNA

Elbow
Blood
Eyes
Hips
Up:Uc Ratio For Kidney Function

American Bulldogs' high energy levels make them unsuitable for a low-key dog, choose accordingly.

Mountain Mastiffs are suitable for those with a balanced lifestyle as they have an average energy level.

American Bulldog has above average social needs and thrives with interaction with humans and other dogs.

Mountain Mastiff has average social needs and is less independent than other breeds.

American Bulldogs are known for their relaxed and calm nature and enjoy long periods of sleep.

Mountain Mastiffs have moderate energy levels and typical sleep patterns of 12-14 hours per day.

Fetch, Car rides, Running, Walk, Run, Tug-of-war, Sleeping, Chase the ball

Cuddling

American Bulldogs are high-energy dogs. They need mental as well as physical exercise. These dogs require a lot of your involvement and without it they can, and will, become problematic dogs.

Mountain Mastiffs are medium-energy dogs and typically enjoy socializing and playing casual or even sustained games of chase with other dogs. They may also have occasional periods of barking or racing around the house.

There's really no limit to how far you walk your dog as long as they're comfortable. For American Bulldog, it's at least 14 miles / week. Just remember to build distance and stamina gradually over time.

There's really no limit to how far you walk your dog as long as they're comfortable. For Mountain Mastiff, it's at least 10 miles / week. Just remember to build distance and stamina gradually over time.

The American Bulldog is a low-maintenance breed that doesn't require much grooming.

The Mountain Mastiff requires an average amount of grooming compared to other breeds.

American Bulldog should be brushed at least once a week. Of course you can give them more frequent brushes if you find that they are still shedding a lot

Ideally, Mountain Mastiff should be brushed at least 2 or 3 times a week (preferably daily) improve shedding.

Pin Brush
Comb
Nail Clipper

Pin Brush
Comb
Scissors
Nail Clipper

For an average 60-120 pound (27 - 54 kg) American Bulldog feed 4 cups daily. But, keep in mind, the amount you feed is going to be dependent on the quality of the food you are feeding.

For an average 150-200 pound (68 - 91 kg) Mountain Mastiff feed 5 cups daily. But, keep in mind, the amount you feed is going to be dependent on the quality of the food you are feeding.

The average cost of an American Bulldog is somewhere $4.20 - $7.00 per day.

The average cost of a Mountain Mastiff is somewhere $4.90 - $6.30 per day.

The average per month expenses of an American Bulldog is between $42 - $70. This makes an average of $504 - $840 per year. It will be on the higher side when the dog is still small because it will need more frequent visits to the vet, shots.

The average per month expenses of a Mountain Mastiff is between $147 - $161. This makes an average of $1764 - $1932 per year. It will be on the higher side when the dog is still small because it will need more frequent visits to the vet, shots.

American Bulldogs are good with kids if socialized and trained from a young age.

Mountain Mastiffs make excellent family pets for kids due to their gentle, protective nature and calm temperament.

American Bulldogs are somewhat cat friendly and can be trained to get along with cats.

Mountain Mastiffs are good with cats, but early training is needed to prevent chasing behavior.

American Bulldogs are quick to announce strangers and can be standoffish or suspicious.

Mountain Mastiffs are averagely friendly around strangers but benefit from early socialisation.

American Bulldogs are a playful breed that needs daily playtime to be happy.

Mountain Mastiffs have an average level of playfulness, enjoying playtime like most dogs but not excessively so.

American Bulldogs are usually easy to train but require consistency to fully obey commands.

Mountain Mastiffs are popular for their ease of training and quick learning ability.