Protective
Alert
Powerful
Courageous
Intelligent
Docile
Affectionate
Reliable
Loyal
Devoted
Cheerful
Calm

Playful
Loving
Energetic
Courageous
Intelligent
Confident
Friendly
Loyal
Social
Sweet
Aggressive
Fearless
Brave
Bright

Doubull-Mastiffs are decent watchdogs - they'll alert their owner if something seems amiss.

Avoid Bull-Boxers as watchdogs - they're not effective.

United States

United States

Bullmastiff, Mastiff

English Bulldog, Boxer

Brown

Brown

Black

Black

Fawn
Brindle

Brindle
White
Black
Fawn
Red
Brown

A Doubull-Mastiff can have a litter of 4-13 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 Bull-Boxer can have a litter of 2-10 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.

Doubull-Mastiffs are known for their adaptability and can adjust well to different environments and lifestyle changes.

Bull-Boxers are highly adaptable and versatile, making them excellent companions for families and individuals of all lifestyles.

The Doubull-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.

Bull-Boxers typically have low vet costs due to their good health, but it's important to monitor their health and seek vet care when necessary.

Entropion
Elbow Dysplasia
Retinal Dysplasia
Hip Dysplasia
Bloat
Ataxia

Bloat
Degenerative Myelopathy
Dilated Cardiomyopathy (DCM)
Dry Eye
Inflammatory Bowel Disease
Corneal Disease
Third Eye (Cherry Eye)

Ectropion
Progressive Retinal Atrophy
Cataracts
Retinal Dysplasia

Pulmonic Stenosis
Allergies
Hip Dysplasia
Hypothyroidism
Obesity
vonWillebrand’s Disease

X-Rays
MRI
CT Scan
Eye Examination
Myelography (Dye And X-Ray to Assess The Spinal Cord)

X-Rays
Eye Examination
Electrocardiogram
Complete Blood Count
Thyroid Panel
vonWillebrand’s Disease Test
Buccal Mucosal Bleeding Time (BMBT)
Skin Cytology Sample
Allergy Testing

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

Bull-Boxer has very high social needs and requires regular mental and physical stimulation, a job or purpose, and companionship.

Doubull-Mastiffs need moderate physical activity and are great for families and active individuals.

Bull-Boxers need only a small amount of physical activity, ideal for busy or elderly people or those with limited space.

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

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

Teaching tricks, Fetch, Dog Parks, Hike, Swim, Walk, Tug-of-war, Tug of war, Walks, Swimming, Cuddling

Walking, Fetch, Camping, Jogging, Play, Cuddl, Hike, Training, Walk, Running, Chewing on bone

Doubull-Mastiffs are low-energy dogs. This breed make a great companion for a relatively inactive person. Doubull-Mastiff dogs require a few short daily walks, and then they're happy snuggling next to you for the rest of the day.

Bull-Boxers 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 Doubull-Mastiff, it's at least 7 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 Bull-Boxer, it's at least 9 miles / week. Just remember to build distance and stamina gradually over time.

In general most Doubull-Mastiffs usually need at least 30 minutes of exercise daily. This can be spread across the day and include all sorts of high-energy activities, like walking, running and playing.

In general most Bull-Boxers usually need at least 60 minutes of exercise daily. This can be spread across the day and include all sorts of high-energy activities, like walking, running and playing.

Slicker Brush
Comb
Nail Clipper

Slicker Brush
Comb
Nail Clipper

For an average 130-200 pound (59 - 91 kg) Doubull-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 50-80 pound (23 - 36 kg) Bull-Boxer 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 a Doubull-Mastiff is somewhere $3.90 - $4.20 per day.

The average cost of a Bull-Boxer is somewhere $2.10 - $2.70 per day.

The average per month expenses of a Doubull-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 Bull-Boxer is between $55 - $73. This makes an average of $660 - $876 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.

Doubull-Mastiff is an independent and stubborn breed with low obedience intelligence, making training a test of patience.

Bull-Boxer has below average obedience intelligence, but they excel in understanding human emotions.

Doubull-Mastiffs are good apartment dogs as long as they get enough exercise and stimulation outside of the apartment.

Bull-Boxers make excellent apartment dogs, being fairly active indoors and not requiring a yard.

Doubull-Mastiffs are average in their friendliness toward cats and tend to do well with them, especially if raised together.

Bull-Boxers are good with cats, but early training is needed to prevent chasing behavior.

Doubull-Mastiffs are less friendly towards other dogs, but can improve with socialization.

Bull-Boxers are friendly and active companions, and can be good family pets, though their friendliness towards other dogs may vary.

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

Bull-Boxers are friendly but may bark at strangers, and training is easy due to their intelligence.

Doubull-Mastiffs are not known for being a highly playful breed.

Bull-Boxers have an average level of playfulness, enjoying playtime like most dogs but not excessively so.