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

Active
Playful
Happy
Alert
Courageous
Intelligent
Friendly
Outgoing
Affectionate
Patient
Lively
Gentle
Keen
Easygoing
Athletic
Bright

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

French Bull Tzus are low shedding dogs, requiring minimal coat care.

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

French Bull Tzus aren't great guard dogs; they tend to just watch without taking action.

Bullmastiff, Mastiff

Shih Tzu, French Bulldog

ACHC = American Canine Hybrid Club
DDKC = Designer Dogs Kennel Club
DRA = Dog Registry of America, Inc.

DRA = Dog Registry of America, Inc.

Brown

Brown

Black

Black

Fawn
Brindle

Red
White
Black
Brown

Doubull-Mastiffs have coats that can be either short or medium in length.

French Bull Tzus have medium-length coats.

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 French Bull Tzu can have a litter of 3-5 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.

French Bull Tzus 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.

While the French Bull Tzu breed is generally healthy, occasional vet check-ups are still necessary to address any health concerns.

Entropion
Elbow Dysplasia
Retinal Dysplasia
Hip Dysplasia
Bloat
Ataxia

Pulmonic Stenosis
Hip Dysplasia
Hemivertebrae
Brachycephalic Syndrome
Inverterbral Disc Degeneration

Ectropion
Progressive Retinal Atrophy
Cataracts
Retinal Dysplasia

Otitis Externa
Cataracts
Retinal Dysplasia
Urolithiasis
Hypothyroidism
Cleft Lift or Palate

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

Eyes
Spine
Heart
Blood and Urine Protein Screens

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

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

Doubull-Mastiffs are typically quiet and only bark when needed, such as to alert their owner or when in distress.

French Bull Tzus bark moderately when necessary and may also bark due to certain triggers like fear, alarm, boredom, greeting, separation anxiety and compulsive barking.

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

Training, Walking, Playing Ball, Chase, Fetch, Cuddling, Walk

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.

French Bull Tzus 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 French Bull Tzu, 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 French Bull Tzus usually need at least 45 minutes of exercise daily. This can be spread across the day and include all sorts of high-energy activities, like walking, running and playing.

The Doubull-Mastiff has low grooming needs and is easy to maintain.

French Bull Tzus require significant grooming, including regular trims and professional grooming assistance to maintain their coat. They may also require frequent bathing to keep their coat and skin healthy.

Slicker Brush
Comb
Nail Clipper

Pin Brush
Comb
Clipper
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 15-25 pound (7 - 11 kg) French Bull Tzu feed 1 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 French Bull Tzu is somewhere $1.10 - $1.40 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 French Bull Tzu is between $35 - $42. This makes an average of $420 - $504 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.

French Bull Tzu has below average obedience intelligence, but they excel in understanding human emotions.

This breed is sensitive and requires gentle handling and a calm home environment.

French Bull Tzus have average emotions and adapt well to different situations.

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

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

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

French Bull Tzus are not the best choice for families with kids.

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

French Bull Tzus 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.

French Bull Tzus 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.

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