Bullmastiff tends to gain weight easily, needs increased exercise and playtime along with controlled food intake.

Shih Tzu has high obesity risk, needs regular exercise and food control to maintain healthy weight.

Unfortunately, the Bullmastiff is not hypoallergenic, making it not a good choice for a dog lover who suffers from pet allergies.

While no dogs are truly 100% hypoallergenic, Shih Tzus are about as close as it gets, making them an ideal pet if you are an allergy sufferer.

Alert
Courageous
Docile
Loyal
Reliable
Calm
Devoted
Powerful
Protective

Active
Friendly
Happy
Lively
Playful
Courageous
Gentle
Intelligent
Outgoing

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

Shih Tzus shed very little hair, making them a great choice for those who dislike excess hair in the house.

Choose a Bullmastiff 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.

Shih Tzus are decent watchdogs - they'll alert their owner if something seems amiss.

England

Tibet
China

mastiff, bulldogs

Lhasa Apso, Pekingese, Tibetan Mountain Dog

American Canine Registry
American Kennel Club
America's Pet Registry
Canadian Kennel Club
Dog Registry of America Inc.
Federation Cynologique Internationale
Kennel Club of Great Britain
North American Purebred Registry, Inc.
American Canine Association, Inc.
Australian National Kennel Council
Continental Kennel Club
National Kennel Club
New Zealand Kennel Club

American Canine Registry
American Kennel Club
America's Pet Registry
Canadian Kennel Club
Dog Registry of America Inc.
Federation Cynologique Internationale
Kennel Club of Great Britain
North American Purebred Registry, Inc.
American Canine Association, Inc.
Australian National Kennel Council
Continental Kennel Club
National Kennel Club
New Zealand Kennel Club
United Kennel Club
Canadian Canine Registry

1800s

Ancient Times

Working (AKC:1934)
Guardian Dogs (UKC)

Toy (AKC:1969)
Companion Dog (UKC)

Hazel

Brown

Black

Black
Brown

Red
Fawn
Brindle

Black
Gray
Brown
Red
Silver
White
Brindle

Bullmastiffs have short coats.

Shih Tzus are known for their coat length.

A Bullmastiff can have a litter of 8-10 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.

A Shih Tzu can have a litter of 10-16 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.

Bullmastiffs have average adaptability to changes in lifestyle and living environments compared to other breeds.

Shih Tzus are highly adaptable and versatile, making them excellent companions for families and individuals of all lifestyles.

The Bullmastiff 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 Shih Tzu breed is generally healthy, occasional vet check-ups are still necessary to address any health concerns.

Gastric Torsion
Elbow Dysplasia
Hip Dysplasia
Cancer

Intervertebral Disc Disease
Eye Problems
Brachycephalic Syndrome

Entropion
Progressive Retinal Atrophy

Otitis Externa
Urolithiasis
Eye Disease
Cleft Lip or Palate

Hip
Elbow
Blood Test
X-Rays
Eye Examination

Eye
Blood And Urine Protein Screens
Skeletal
X-Rays
Eye Examination
Physical Examination

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

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

Bullmastiff excessively drools, consider a different breed if not appealing.

Shih Tzu minimally drools, ideal for those who dislike drool marks on clothing.

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

Shih Tzu dogs bark and howl frequently and are not recommended for quiet homes.

Bullmastiff dogs are highly protective and make excellent guard dogs due to their strong instinct to defend their territory and owners, and their high level of vigilance.

Shih Tzu dogs have a strong protective nature and territorial instinct. They are highly vigilant and will fiercely defend their home and family.

Walking, Catch treats, Train, Jumping, Fetch, Walk, Run, Playing, Chasing, Greeting, Belly rubs, Running, Sniff, Nap, Snuggle, Eating Snacks, Sniffing, Swim, Water, Nose work, Play, Go to Beach, Go to Park, Frisbee, Go Camping, Groom, Hike, Fish, Chase, Bath time

Walk, Bike ride, Brushing, Running, Sleeping, Resting, Short walks, Play, Play with lea, Sniffing, Dog Parks, Go to Park, Being pet, Sit, Eating Snacks, Fetch, Walking, Snuggling, Run, Treats, Petting, Scenting, Marking, Runnig, Watching tv, Playing, Cuddling, Trick training, Shopping, Training

There's really no limit to how far you walk your dog as long as they're comfortable. For Bullmastiff, 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 Shih Tzu, it's at least 6 miles / week. Just remember to build distance and stamina gradually over time.

In general most Bullmastiffs usually need at least 40 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 Shih Tzus 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.

The Bullmastiff has low grooming needs and is easy to maintain.

Shih Tzus have high grooming needs, requiring regular trims and professional grooming assistance to keep their coat healthy.

Pin Brush
Comb
Nail Clipper

Pin Brush
Comb
Nail Clipper

For an average 110-133 pound (50 - 60 kg) Bullmastiff 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.

For an average 9-16 pound (4 - 7 kg) Shih 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 Bullmastiff is somewhere $2.10 - $2.70 per day.

The average cost of a Shih Tzu is somewhere $1.10 - $1.40 per day.

The average per month expenses of a Bullmastiff is between $56 - $84. This makes an average of $672 - $1008 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 Shih Tzu is between $28 - $42. This makes an average of $336 - $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.

Bullmastiff has below average obedience intelligence, but they excel in understanding human emotions.

Shih Tzu is an independent and stubborn breed with low obedience intelligence, making training a test of patience.

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

Shih Tzus have average emotions and adapt well to different situations.

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

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

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

Shih Tzus are not the best choice for families with kids.

Bullmastiffs are not cat friendly.

Shih Tzus are very friendly with cats and make great companions for them.

Bullmastiffs are not dog-friendly.

Shih Tzus are generally very friendly towards other dogs, with a happy and affectionate temperament.