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Bullmastiff vs Giant Schnauzer vs Mastiff Comparison - Dog breed selector: Bullie or Riesenschnauzer or Old English Mastiff? Find the right dog for you

"Find similarities and differences between Bullmastiff vs Giant Schnauzer vs Mastiff" Compare Bullmastiff and Giant Schnauzer. Which is better: Bullmastiff or Giant Schnauzer or Mastiff?
 
 
 
Name Bullmastiff Giant Schnauzer Mastiff
OriginsEngland flagEngland Germany flagGermany England flagEngland
Group Working Dogs Working Dogs Working Dogs
Popularity Rank518028
Reviews143
User Ratings

Common Names & Aliases
Compare alternative names and nicknames used for Bullmastiff, Giant Schnauzer, and Mastiff breeds.
Bullie
Bully
Riesenschnauzer Old English Mastiff
English Mastiff
Breed Classification
How do breed classifications differ between Bullmastiff, Giant Schnauzer, and Mastiff? Compare their breeding categories.
Purebred Purebred Purebred

Bullmastiff vs Giant Schnauzer vs Mastiff Size and Weight Comparison

Size Classification
Compare size differences between Bullmastiff, Giant Schnauzer, and Mastiff. Which breed is the largest?
Large Giant Giant
Weight Statistics
How do weights compare between Bullmastiff, Giant Schnauzer, and Mastiff? Compare adult weight ranges.
Male: 110-133 pounds (50–60 kg), Female: 100-120 pounds (45-55 kg) Males 60-105 pounds (27-48 kg), Female: 55-75 pounds (25-34 kg) Male: 150-250 pounds (68-113 kg), Female: 120-180 pounds (54-82 kg)
Average Weight
Which dog has a smaller / higher average weight?
Male: 121.5 pounds (50–60 kg), Female: 110 pounds (50 kg) Males 82.5 pounds (37.5 kg), Female: 65 pounds (29.5 kg) Male: 200 pounds (90.5 kg), Female: 150 pounds (68 kg)
Height
Which is taller, Bullmastiff or Giant Schnauzer or Mastiff? Bullmastiff vs Giant Schnauzer vs Mastiff height comparison:
Male: 25-27 inches (63–69 cm), Female: 24-26 inches (61–66 cm) Male: 26-28 inches (66-71 cm), Female: 23-26 inches (58-66 cm) Male: 30 inches (76 cm), Female: 27.5 inches (70 cm)
Average Height
Which dog has a smaller / higher average height?
Male: 26 inches (63–69 cm), Female: 25 inches (61–66 cm) Male: 27 inches (68.5 cm), Female: 24.5 inches (62 cm) Male: 30 inches (76 cm), Female: 27.5 inches (70 cm)

Bullmastiff vs Giant Schnauzer vs Mastiff Price and Availability Comparison

Price Range
Compare puppy costs for Bullmastiff, Giant Schnauzer, and Mastiff. Find price differences between these breeds.
$1200-$1500 $1000-$1500 $1200-$1500
Availability
Which is easier to get, Bullmastiff or Giant Schnauzer or Mastiff?
Very frequent: The Bullmastiff is quite easy to get.
Very frequent: The Giant Schnauzer is quite easy to get.
Very frequent: The Mastiff is quite easy to get.

Bullmastiff vs Giant Schnauzer vs Mastiff Trainability and Intelligence Comparison

Intelligence Rating
Compare intelligence levels between Bullmastiff, Giant Schnauzer, and Mastiff. Which breed ranks highest?
Low to average: This canine intelligence is not the brightest one.
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Smart: The Giant Schnauzer dogs have great intelligence.
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Average: It takes patience to teach this breed any tricks or commands, but the effort is worth it.
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Training Difficulty
Compare training difficulty levels between Bullmastiff, Giant Schnauzer, and Mastiff. Which is easiest to train?
Bullmastiff dogs are quite easy to train.
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Giant Schnauzer dogs are easy to train.
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Mastiff dogs are quite easy to train.
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Watchdog Rating
Compare watchdog abilities of Bullmastiff, Giant Schnauzer, and Mastiff. Which breed is most alert?
Bullmastiff dogs are one of the best watchdogs.
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Giant Schnauzer dogs are one of the best watchdogs.
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Mastiff dogs are one of the best watchdogs.
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Territorial Protection
Compare territorial instincts between Bullmastiff, Giant Schnauzer, and Mastiff. Which breed is most protective?
Bullmastiff dogs are extremely protective guard dogs.
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Giant Schnauzer dogs are extremely protective guard dogs.
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Mastiff dogs are extremely protective guard dogs.
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Bullmastiff vs Giant Schnauzer vs Mastiff Personality and Temperament Comparison

Personality Traits
How do personalities differ between Bullmastiff, Giant Schnauzer, and Mastiff? Compare temperaments.
Protective
Alert
Powerful
Courageous
Docile
Reliable
Loyal
Devoted
Calm
Powerful
Intelligent
Dominant
Loyal
Kind
Strong
Willed
Protective
Alert
Courageous
Intelligent
Affectionate
Loyal
Cheerful
Sensitivity Level
Which dog is more sensitive? What's the difference?
They are a little bit more sensitive than other dog breeds.
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They are a little bit more sensitive than other dog breeds.
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Mastiff dogs have an average emotional level and are not the most sensitive dog breed.
See more.
Affection Level
Which is the more affectionate dog breed: Bullmastiff vs Giant Schnauzer vs Mastiff?
Average: Bullmastiff dogs are average dogs regarding their affection level.
See more.
Average: Giant Schnauzer dogs are average dogs regarding their affection level.
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High: Mastiff dogs are genuinely loyal, soft and gentle, loving, and affectionate dogs toward their handlers.
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Social Needs
Bullmastiff vs Giant Schnauzer vs Mastiff social needs comparison:
Bullmastiff dogs need for social interaction is average.
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Giant Schnauzer dogs need for social interaction is average.
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Mastiff dogs need for social interaction is average.
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Impulse to Wander or Roam
Which dog has a greater roaming instinct?
Bullmastiff dogs have average wanderlust potential.
See more.
The wanderlust potential of the Giant Schnauzer is strong enough to escape from home.
See more.
Mastiff dogs are not the biggest explorers.
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Prey Drive
Which dog has a higher prey drive? Which can be better for hunting?
Bullmastiff dogs have an average prey drive, which means that they don't have a high impulse to chase and catch something like a cat or any other small aminals, but it might happen.
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Giant Schnauzer dogs have a higher impulse to chase and catch something than other dog breeds.
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Their prey drive is low.
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Bullmastiff vs Giant Schnauzer vs Mastiff Activity and Playfulness Comparison

Barking Frequency
Compare barking frequencies of Bullmastiff, Giant Schnauzer, and Mastiff. Which breed is most vocal?
Low: The Bullmastiff barks none to minimal.
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Average: The Giant Schnauzer barks occasionally.
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Low: The Mastiff barks none to minimal.
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Playful Nature
Compare playfulness levels between Bullmastiff, Giant Schnauzer, and Mastiff. Which breed is most playful?
Bullmastiffs are not the most playful dog breed.
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The Giant Schnauzer is a highly playful breed.
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Mastiffs are not the most playful dog breed.
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Apartment Adaptability
Compare apartment suitability of Bullmastiff, Giant Schnauzer, and Mastiff. Which adapts best to small spaces?
It is not the best choice if you want to keep them indoors, however, with careful exercise and several walks a day, they will tolerate the indoor environment, so it is possible to keep Bullmastiff indoors.
Not an apartment-friendly dog the Giant Schnauzer breed.
It is not the best choice if you want to keep them indoors, however, with careful exercise and several walks a day, they will tolerate the indoor environment, so it is possible to keep Mastiff indoors.

Bullmastiff vs Giant Schnauzer vs Mastiff Adaptability and Independence Comparison

Lifestyle Adaptability
Compare adaptability between Bullmastiff, Giant Schnauzer, and Mastiff. Which breed is most flexible?
Average: Bullmastiff dogs adapt to lifestyle changes and different living environments quite okay usually.
Average: Giant Schnauzer dogs adapt to lifestyle changes and different living environments quite okay usually.
Mastiff dogs adapt very well to lifestyle changes and basically all living environments.
Alone Time Tolerance
Which dog can be left alone: Bullmastiff or Giant Schnauzer or Mastiff?
Just like every puppy, they are prone to panic, cry, bark, whine when they left alone by their owner.
Just like every puppy, they are prone to panic, cry, bark, whine when they left alone by their owner.
Just like every puppy, they are prone to panic, cry, bark, whine when they left alone by their owner.

Bullmastiff vs Giant Schnauzer vs Mastiff Bite Characteristics Comparison

Bite Risk Assessment
Compare biting potential between Bullmastiff, Giant Schnauzer, and Mastiff. Which has lowest bite risk?

Low 🔽

The Bullmastiff has a low chance of biting somebody.

Low 🔽

The Giant Schnauzer has a low chance of biting somebody.

Moderate

The Mastiff has an average chance of biting somebody.
Mouthing Tendency
Compare mouthing tendencies between Bullmastiff, Giant Schnauzer, and Mastiff. Which uses mouth most during play?
Bullmastiff dogs have an average tendency to nip, chew, playbite, or herd people.
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Giant Schnauzer dogs have an average tendency to nip, chew, playbite, or herd people.
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Mastiff dogs have a higher than average tendency to nip, chew, playbite, or herd people.
See more.
Bite Strength Rating
Compare bite forces between Bullmastiff, Giant Schnauzer, and Mastiff. Which has the strongest bite?

Between 200 and 400 PSI

Bullmastiff bite force: Ordinary.

Above 400 PSI 🔼

Giant Schnauzer bite force: The Strongest.

Above 400 PSI 🔼

Mastiff bite force: The Strongest.

Bullmastiff vs Giant Schnauzer vs Mastiff Health and Lifespan Comparison

Average Lifespan
Compare life expectancies of Bullmastiff, Giant Schnauzer, and Mastiff. Which breed lives longest?
8-10 years
The average lifespan of Bullmastiff: 9 years
10-12 years
The average lifespan of Giant Schnauzer: 11 years
10-12 years
The average lifespan of Mastiff: 11 years
Climate Tolerance
Compare weather adaptability between Bullmastiff, Giant Schnauzer, and Mastiff. Which handles climate changes best?
Prefers average to cold weather conditions
The Bullmastiff can adapt to well to cold weather conditions, some dogs even can be a good mountain dog.
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Prefers average to cold weather conditions
The Giant Schnauzer can adapt to well to cold weather conditions, some dogs even can be a good mountain dog.
See more.
Prefers average to cold weather conditions
The Mastiff can adapt to well to cold weather conditions, some dogs even can be a good mountain dog.
See more.
Health Concerns
Compare health problems common in Bullmastiff, Giant Schnauzer, and Mastiff. Which has fewer health issues?
Very healthy dog breed.
Giant Schnauzers are commonly healthy dogs.
Mastiffs are commonly healthy dogs.
Vet Care Frequency
Which one may need more or less veterinary visits?
Rare
The Bullmastiff should have a complete physical check-up at least every 12-18 months (but preferably once per year).
Rare
The Giant Schnauzer should have a complete physical check-up at least every 12-18 months (but preferably once per year).
Rare
The Mastiff should have a complete physical check-up at least every 12-18 months (but preferably once per year).
Health Problems
Which one has more or less genetic/health problems: Bullmastiff vs Giant Schnauzer vs Mastiff? What are the allergies, genetic diseases and concerns for them? Bullmastiff vs Giant Schnauzer vs Mastiff health problems comparison:
Cancer
Hypothyroidism
Progressive retinal atrophy (PRA)
Heart Problems
Entropion
Kidney Issues
Hemangiosarcoma
Lymphosarcoma
Osteosarcoma
Cataracts
Hip Dysplasia
Cancer
Progressive retinal atrophy (PRA)
Bloat
Heart Problems
Elbow Dysplasia
Retinal Dysplasia
Glaucoma
Keratoconjunctivitis Sicca
Hip Dysplasia
Cancer
Progressive retinal atrophy (PRA)
Bloat
Seizures
Cystinuria

Bullmastiff vs Giant Schnauzer vs Mastiff Energy and Activity Comparison

Energy Rating
Compare energy levels between Bullmastiff, Giant Schnauzer, and Mastiff. Which breed is most active?
Bullmastiff dogs have a lower energy level than other dogs.
Giant Schnauzer dogs are high-energy dogs.
Mastiff dogs have a lower energy level than other dogs.
Activity Requirement / Exercise Need
Bullmastiff vs Giant Schnauzer vs Mastiff exercise need comparison. Which dog needs more activity? Which dog needs the most exercise: Bullmastiff or Giant Schnauzer or Mastiff? Which dog needs the most walking? Which dog is the laziest?
Bullmastiff dogs exercise need is minimal.
Giant Schnauzer dogs need a lot of exercises.
Mastiff dogs exercise need is minimal.
Sleeping Need
Which one sleeps the least/most: Bullmastiff or Giant Schnauzer or Mastiff?
Bullmastiff dogs like sleeping so they do sleep a lot.
Giant Schnauzer dogs don't need too much sleep.
Mastiff dogs like sleeping so they do sleep a lot.

Bullmastiff vs Giant Schnauzer vs Mastiff Diet and Weight Management Comparison

Obesity Tendency
Compare weight gain tendencies between Bullmastiff, Giant Schnauzer, and Mastiff. Which is most prone to obesity?
High: The Bullmastiff breed has a strong tendency to be overweight.
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Average: The Giant Schnauzer has an average risk for obesity.
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Average to High: If you don't pay attention to the Mastiff's weight, he can easily gain weight.
See more.
Food Consumption
Compare food requirements between Bullmastiff, Giant Schnauzer, and Mastiff. Which needs most food?
3 to 4.5 cups of high-quality dry food a day, divided into two meals. 8 to 10 cups of high-quality dry food a day, divided into two meals 8 to 10 cups of high-quality dry food a day, divided into two meals

Bullmastiff vs Giant Schnauzer vs Mastiff Allergies and Grooming Comparison

Allergy Friendliness
Compare hypoallergenic qualities of Bullmastiff, Giant Schnauzer, and Mastiff. Which is best for allergy sufferers?
No See more. Yes See more. No See more.
Coat Colors
Compare color variations between Bullmastiff, Giant Schnauzer, and Mastiff. What colors are available?
Red
Fawn
Brindle
Black
Pepper
Salt
Fawn
Brindle
Apricot
Grooming Requirements
Compare grooming needs between Bullmastiff, Giant Schnauzer, and Mastiff. Which requires most maintenance?
Easy to groom: The Bullmastiff doesn't require a lot of grooming.
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Average: The Giant Schnauzer requires average grooming effort.
See more.
Easy to groom: The Mastiff doesn't require a lot of grooming.
See more.
Drooling Tendency
Compare drooling tendencies between Bullmastiff, Giant Schnauzer, and Mastiff. Which drools least?
The Bullmastiff is a big drooler, so if you're disgusted by slobber spots on your clothes, you should choose a dog from another breed.
See more.
The Giant Schnauzer is a perfect example of a very low drooling tendency.
See more.
The Mastiff is a big drooler, so if you're disgusted by slobber spots on your clothes, you should choose a dog from another breed.
See more.
Stinkiness Rating
Compare odor levels between Bullmastiff, Giant Schnauzer, and Mastiff. Which has least natural smell?

High 🔼

The Bullmastiff has a high chance of bad smell.

Low 🔽

The Giant Schnauzer has a low chance of bad smell.

High 🔼

The Mastiff has a high chance of bad smell.
Coat Characteristics
Compare coat types between Bullmastiff, Giant Schnauzer, and Mastiff. How do their fur characteristics differ?
Rough Wiry Dense
Bathing Needs
Compare bathing needs between Bullmastiff, Giant Schnauzer, and Mastiff. Which requires most frequent baths?
4-6 weeks
Average. Experts recommended at least every 4-6 weeks for this family pup.
See more.
8-12 weeks
Very rarely. Bathing your dog is beneficial to them in more ways than just one.
See more.
4-6 weeks
Average. Experts recommended at least every 4-6 weeks for this family pup.
See more.
Shedding Level
Who sheds more Bullmastiff or Giant Schnauzer or Mastiff? Bullmastiff or Giant Schnauzer or {name3 shedding:
Bullmastiff dogs shed moderately.
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Giant Schnauzer dogs shed none to minimal.
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Mastiff dogs shed moderately.
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Bullmastiff vs Giant Schnauzer vs Mastiff Good With Comparison

Child Compatibility
Compare child-friendliness between Bullmastiff, Giant Schnauzer, and Mastiff. Which is best with kids?
Bullmastiff dogs are kid-friendly dogs.
Giant Schnauzer dogs are not the most kid-friendly dogs.
Mastiff dogs are very kid-friendly dogs.
Pet Compatibility
Which dog breeds get along well with other animals/pets?
Bullmastiff dogs do best when they’re the only pet at the family.
Giant Schnauzer dogs usually don’t get on well with other pets.
Mastiff dogs are one of the friendliest dog breeds.
Stranger Friendly
Which dog is more stranger friendly Bullmastiff or Giant Schnauzer or Mastiff? Which dog is more friendly?
Bullmastiff dogs are average friendly towards strangers.
Giant Schnauzer dogs are not the most stranger-friendly dogs.
Mastiff dogs are average friendly towards strangers.
Cat Friendly
Which dog is more cat friendly Bullmastiff or Giant Schnauzer or Mastiff?
Bullmastiff dogs are not cat-friendly dogs.
Giant Schnauzer dogs are not the most cat-friendly dogs.
Mastiff dogs are very cat-friendly dogs.
Dog Friendly
Which dog is more dog friendly Bullmastiff or Giant Schnauzer or Mastiff?
Bullmastiff dogs are not dog-friendly.
Giant Schnauzer dogs are not dog-friendly.
Mastiff dogs are average friendly towards other dogs.
Good For First Time Owners
Which dog is good for the first-time owners: Bullmastiff vs Giant Schnauzer vs Mastiff?
Yes
Bullmastiff dogs are good for novice owners, due to their easy-going personality.
Yes
Giant Schnauzer dogs are good for novice owners, due to their easy-going personality.
Yes
Mastiff dogs are good for novice owners, due to their easy-going personality.
Office Friendly
Which one fits better in the office?
No
Bullmastiff is not the best dog breed for office environment.
No
Giant Schnauzer is not the best dog breed for office environment.
No
Mastiff is not the best dog breed for office environment.
Senior Citizens Friendly
Which dog is good for elderly people?
Bullmastiffs are usually recommended for elderly people.
Giant Schnauzers are not the best breed for elderly people.
Mastiffs are one of the best breeds for elderly people.

Bullmastiff vs Giant Schnauzer vs Mastiff As a Working Dog Comparison

Service Dog Capability
Compare service dog potential between Bullmastiff, Giant Schnauzer, and Mastiff. Which is best suited for service work?

Not really

This breed generally not used as a service dog.
See more.

Not really

This breed generally not used as a service dog.
See more.

Not really

This breed generally not used as a service dog.
See more.
Therapy Work Suitability
Compare therapy dog potential between Bullmastiff, Giant Schnauzer, and Mastiff. Which excels in therapy work?

Yes

This breed makes a perfect therapy dog.
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Not really

This breed is generally not used as a therapy dog.
See more.

Not really

This breed is generally not used as a therapy dog.
See more.
Scent Detection Ability
Compare detection capabilities between Bullmastiff, Giant Schnauzer, and Mastiff. Which has best nose work ability?

Not really

They are not typically employed for this type of work, but there may be exceptional cases.

Not really

They are not typically employed for this type of work, but there may be exceptional cases.

Not really

They are not typically employed for this type of work, but there may be exceptional cases.
Search & Rescue Potential
Compare search and rescue potential between Bullmastiff, Giant Schnauzer, and Mastiff. Which is best for SAR work?

Not really

This dog breed is not typically used as a search and rescue dog.

Not really

This dog breed is not typically used as a search and rescue dog.

Not really

This dog breed is not typically used as a search and rescue dog.
Maritime Work Ability
Compare boating aptitude between Bullmastiff, Giant Schnauzer, and Mastiff. Which is best suited for water work?

Not really

Bullmastiff breed usually doesn't like being on a boat.
See more.

Not really

Giant Schnauzer breed usually doesn't like being on a boat.
See more.

Not really

Mastiff breed usually doesn't like being on a boat.
See more.
Draft Work Capability
Compare cart pulling abilities between Bullmastiff, Giant Schnauzer, and Mastiff. Which is best for draft work?

Yes

A drafting dog or draft dog is a dog bred and used for cart pulling.
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Not really

A drafting dog or draft dog is a dog bred and used for cart pulling.
See more.

Yes

A drafting dog or draft dog is a dog bred and used for cart pulling.
See more.
Military Service Background
Compare military service history of Bullmastiff, Giant Schnauzer, and Mastiff. Which has most military use?

Not really

In history, this breed was not really used for combat dog.

Not really

In history, this breed was not really used for combat dog.

Not really

In history, this breed was not really used for combat dog.

Bullmastiff vs Giant Schnauzer vs Mastiff Reproducibility Comparison

Puppy Litter Size
Compare typical litter sizes of Bullmastiff, Giant Schnauzer, and Mastiff. Which has most puppies?
4-13 puppies, average 8 5-8 puppies 3-5 puppies
Pregnancy Duration
Compare gestation periods of Bullmastiff, Giant Schnauzer, and Mastiff. Any breeding differences?
60-64 days See more. 60-64 days See more. 60-64 days See more.
Breeding Frequency
Compare breeding intervals between Bullmastiff, Giant Schnauzer, and Mastiff. What's recommended?

Once a year.

More frequent breeding is not healthy.
See more.

Once a year.

More frequent breeding is not healthy.
See more.

Once a year.

More frequent breeding is not healthy.
See more.

Bullmastiff vs Giant Schnauzer vs Mastiff Recognition Comparison

AKC Classification
Compare AKC groups for Bullmastiff, Giant Schnauzer, and Mastiff. How are they classified?
Recognized by the American Kennel Club in 1934 as a Working breed. Recognized by the American Kennel Club in 1930 as a Working breed. Recognized by the American Kennel Club in 1885 as a Working breed.
FCI Classification
Compare FCI groups for Bullmastiff, Giant Schnauzer, and Mastiff. How are they classified internationally?
Recognized by FCI in the Pinscher and Schnauzer - Molossoid and Swiss Mountain and Cattledogs group, in the Molossian type section. Recognized by FCI in the Pinscher and Schnauzer - Molossoid and Swiss Mountain and Cattledogs group, in the Pinscher and Schnauzer type section. Not recognized by FCI.
Kennel Club Recognition
Compare breed recognition status of Bullmastiff, Giant Schnauzer, and Mastiff. Which has most recognition?
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
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

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