Affectionate
Courageous
Good-natured
Calm
Dignified
Protective

Energetic
Protective
Alert
Courageous
Intelligent
Responsive
Affectionate
Reliable
Loyal
Tenacious
Bold
Fearless

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

Border Collie Bull Staffys are low shedding dogs, requiring minimal coat care.

United States

United States

English Mastiff, Anatolian Mastiff

Staffordshire Bull Terrier and Border Collie

1990s

Unknown

Brown
Amber

Brown

Black

Black

Fawn
Brown
Brindle

Red
Brown
White
Black

American Mastiffs have medium-length coats.

Border Collie Bull Staffys have coats that can be either short or medium in length.

An American Mastiff 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 Border Collie Bull Staffy can have a litter of 4-8 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 Mastiffs have average adaptability to changes in lifestyle and living environments compared to other breeds.

Border Collie Bull Staffys are known for their adaptability and can adjust well to different environments and lifestyle changes.

Joint Dysplasia

Congenital Heart Defect (CHD)

Skin Problems
Foreleg Lameness
Eye Problems
Hyperthyroidism

None

Eye Examinations
Serum Chemistry
Regular Full Physical Examination By Veterinarian
Full Blood Work
Blood Chemistry
Diagnostic Imaging
Skin Scrapings and Biopsies

X-Rays
Physical Examination
Optical Examination
Complete Blood Test

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

Border Collie Bull Staffy has very high social needs and requires regular mental and physical stimulation, a job or purpose, and companionship.

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

Border Collie Bull Staffys sleep less than other breeds but still need adequate sleep for good health.

Fetch, Play

Fetch, Swim, Run, Walking, Peoplewatching, Training, Walk, Playtime, Walks, Hiking, Long walks, Flyball, Bike ride, Road trip, Play, Catch treats, Tug-of-war, Cuddles, Chase, Hide & Seek, Dog Parks, Shake, Cheese, Brushing teeth, Dig, Camping, Swimming, Tracking, Beach, Chasing

American 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.

Border Collie Bull Staffys 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.

There's really no limit to how far you walk your dog as long as they're comfortable. For American Mastiff, it's at least 10 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 Border Collie Bull Staffy, it's at least 14 miles / week. Just remember to build distance and stamina gradually over time.

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

The Border Collie Bull Staffy has low grooming needs and is easy to maintain.

American Mastiff 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, Border Collie Bull Staffy should be brushed at least 2 or 3 times a week (preferably daily) improve shedding.

Pin Brush
Slicker Brush
Deshedder
Nail Clipper

Pin Brush
Slicker Brush
Comb
Nail Clipper

For an average 160-200 pound (73 - 91 kg) American Mastiff 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 30-45 pound (14 - 20 kg) Border Collie Bull Staffy feed 3 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 Mastiff is somewhere $3.90 - $4.20 per day.

The average cost of a Border Collie Bull Staffy is somewhere $1.70 - $2.00 per day.

The average per month expenses of an American Mastiff is between $112 - $126. This makes an average of $1344 - $1512 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 Border Collie Bull Staffy is between $48 - $63. This makes an average of $576 - $756 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 Mastiffs have average emotions and adapt well to different situations.

This breed is sensitive to its environment and best suited for patient and understanding families with a consistent routine.

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

Border Collie Bull Staffys make excellent family pets for kids due to their gentle, protective nature and calm temperament.

American Mastiffs are average in their friendliness towards other dogs, and socialization can help.

Border Collie Bull Staffys are less friendly towards other dogs, but can improve with socialization.

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

Border Collie Bull Staffys are friendly but may bark at strangers, and training is easy due to their intelligence.

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

Border Collie Bull Staffys are a playful breed that needs daily playtime to be happy.