Skip to content

Bernedoodle vs Mastiff

A side-by-side comparison to help you find the right breed for your lifestyle.

Bernedoodle breed photo

Bernedoodle

AKCFCIKC

The Bernedoodle combines the loyal, gentle nature of the Bernese Mountain Dog with the intelligence and hypoallergenic coat of the Poodle. This designer breed has become increasingly popular for families seeking a devoted companion with striking good looks. Bernedoodles are known for their playful yet calm demeanor and their stunning tri-colored coats that mirror their Bernese heritage.

Size

Large

Energy

High

Lifespan

12-15 years yrs

Height

Not specified cm

VS
Working
Mastiff breed photo

Mastiff

Also known as: English Mastiff, Old English Mastiff

AKCFCIKCUKC

The Mastiff (English Mastiff) is a giant guardian breed of immense dignity, courage, and docility. With ancestors depicted in Assyrian bas-reliefs from 2500 BC, these ancient war dogs and estate guardians have been bred down to gentle family companions. But the reality of living with a dog that can exceed 200lbs is often romanticized - between the short 6-10 year lifespan, potential for bone cancer, and costs that dwarf most breeds, they're called a 'heartbreak breed' for good reason.

Size

Extra Large

Energy

Low

Lifespan

6-10 yrs

Height

70-76+ cm

Weight

70-104+ kg

Quick Comparison

TraitBernedoodleMastiff
Energy
Trainability
Grooming Needs
Family Friendly
Independence

Key Characteristics

Good with Kids
Good with Dogs
Good with Cats
Hypoallergenic
Apartment Friendly
First-Time Owner OK
DetailBernedoodleMastiff
SizeLargeExtra Large
Energy LevelHighLow
GroomingHighHigh
TrainabilityModeratechallenging
Barking LevelMediumMedium
Shedding LevelLowMedium
Chew strengthN/AHard
HousingYardYard

Owner Fit & Decision Guide

Owner Match

TraitBernedoodleMastiff
Experience LevelBeginnerAdvanced
First-Time Owner
Ideal OwnerActive individual or family who can provide adequate exercise and training for a Bernedoodle.Experienced large breed owner with house and yard. Works from home or can be home most of the day. Financially prepared for $3,000+ annual costs and $5,000+ emergency fund. Physically able to manage 200lb dog. Psychologically prepared for 6-10 year lifespan and likely cancer diagnosis.

Bernedoodle Dealbreakers

  • Cannot meet 60-90 min daily exercise
  • Cannot commit to grooming needs

Mastiff Dealbreakers

  • Apartment living (unless ground floor and extremely dedicated)
  • Fastidious cleaners (drool/hair is unmanageable)
  • Tight budget (one vet bill can bankrupt you)
  • Physically frail owners (cannot hold 200lb dog on leash)
  • Cannot emotionally handle short lifespan

Surrender Risk

FactorBernedoodleMastiff
Risk LevelMediumMedium
Primary ReasonsUnderestimated exercise needs, Behavioral challenges, Cost of care'Moving/Housing Restrictions' - landlords evict due to size/breed, Cost - giant breed vet bills shock unprepared owners, Cute puppy becomes 150lb adolescent they can't afford to feed or vet

Temperament & Personality

Behavior Comparison

TraitBernedoodleMastiff
Prey Drive
Watchdog Ability
Stranger Friendly
Drool Level
Wanderlust

Vocalization

TraitBernedoodleMastiff
Barking LevelMediumMedium
Howling Tendency
Whining TendencyLowLow
Separation Vocalization
Bernedoodle bark triggers
StrangersDoorbellsOther dogs
Mastiff bark triggers
Strangers approaching propertyUnusual sounds

Safety & Reliability

TraitBernedoodleMastiff
Escape Artist
Dog Park Suitable
Off-Leash Reliable
Small Animal Safe
Leash Reactivity
Resource Guarding RiskLowModerate

Bernedoodle Social Traits

Velcro Dog
One Person Dog
Handling ToleranceMedium
Stranger Wariness

Low

With Other Dogs

Generally friendly

Mastiff Social Traits

Velcro Dog
One Person Dog
Handling ToleranceHigh
Stranger Wariness

High

With Other Dogs

Same-sex aggression can develop around 18-24 months. Socialization critical to prevent wariness becoming fear-aggression.

Training

Bernedoodle

MethodPositive reinforcement
Challenges
** "Demand Barking." Poodles are vocal. If you reward barking with attention, the Bernedoodle will learn to "yell" at you for what it wants.
Tips
  • ** Positive Reinforcement ONLY. Bernese are sensitive; harsh corrections will cause them to shut down or become fearful. Poodles are clever and will find loopholes.

Mastiff

MethodPositive reinforcement ONLY - emotionally sensitive, yelling causes fear or defensiveness
Repetitions to Learn15-25
Challenges
Slow processing - need time to process commands, not rapid-fire learners'Nagging' - if you repeat command 10 times without result, you're training them to ignore youPassive resistance - they flatten to the floor when they don't want to comply
Tips
  • Ask once, then lure/help them succeed
  • Train for partnership, not just obedience
  • Start leash manners EARLY before they're physically unmanageable
  • Use high-value treats - they are food motivated

Bernedoodle Considerations

challengeSeparation Anxiety

This is the primary behavioral failure mode. Both parent breeds are intensely human-focused. The Bernese is a "velcro" working dog bred to stay close to farmers, and the Poodle is a highly social retriever. The result is a dog that often cannot tolerate isolation. Owners frequently report destruction (chewing door frames, drywall) and vocalization if left alone for more than 4 hours.

challengeThe "Stubborn" Streak

While Poodles are biddable, the Bernese Mountain Dog contributes a distinct independent streak. Adolescent Bernedoodles (ages 8-18 months) often exhibit "selective hearing," refusing commands they know perfectly well. This is not stupidity; it is a lack of motivation that requires high-value reinforcement, not repetition.

challengePrey Drive

Owners often underestimate the Poodle's hunting heritage. Standard Poodles are water retrievers with significant prey drive. Bernedoodles may fixate on, chase, and occasionally kill small animals (squirrels, chipmunks, birds) in the yard. They are generally not safe with free-roaming pocket pets.

Mastiff Considerations

dealbreakerThe Heartbreak Lifespan

Average lifespan is only 6-10 years, with 8 being the median. Owners must be psychologically prepared to lose their companion just as they enter their senior years. Bone cancer is the leading cause of death.

challengeStubbornness & Passive Resistance

Unlike eager-to-please breeds, Mastiffs often ask 'Why?' before complying. When they decide not to cooperate, they simply flatten themselves to the floor - physically unmanageable at 200lbs. Harsh training causes complete shutdown.

challengeSame-Sex Aggression

Mature Mastiffs can develop intolerance toward dogs of the same sex, typically emerging around 18-24 months. Difficult to manage due to sheer power differential between owner and dog.

dealbreakerGiant Breed Financial Burden

$150-300/month for food alone. Insurance $100-200+/month. All medications priced by weight (3-4x cost of Labrador). A single emergency can exceed $5,000. If this would bankrupt you, do not get this breed.

Multi-Species Compatibility

SpeciesBernedoodleMastiff
With CatsGenerally safe with proper introductionGenerally safe if raised together - low prey drive
Small MammalsSupervision requiredGenerally safe - no terrier-like kill instinct
Birds / ReptilesCaution advisedGenerally neutral

Advanced Behavior

TraitBernedoodleMastiff
Predatory Sequence RiskMediumArrested
BiddabilityLowLow
Noise SensitivityLowLow
Territorial Barking
Same-Sex Aggression Onset18 months18 months

Mastiff: Predatory sequence arrested: Orient -> Eye -> (Stalk/Chase/Grab/Kill inhibited). They may chase out of territorial instinct but lack 'kill bite' of terriers. High adaptive intelligence (problem-solving), low working intelligence (obedience repetition). They work for partnership, not just kibble.

First Year & Life Stages

First Year Challenges

ChallengeBernedoodleMastiff
Puppy Difficulty
Destructive Phase6-186-18
House TrainingModerateMedium
Crate TrainingMediumMedium
Adolescent Regression

Bernedoodle: Bernedoodle puppies require consistent training and patience.

Mastiff: Calmer than sporting/herding breeds but 6-month puppy can weigh 80lbs with baby brain. They are clumsy, mouthy, and accidentally knock over children/furniture. Teething Mastiff can chew through solid wood door frames. A rebellious 150lb teenager pulling on leash is a safety hazard.

Life Stages Timeline

StageBernedoodleMastiff
Puppy Phase12 months18 months
Adolescence6-1818-36
Adult Years2-83-6
Senior Onset~8 years~6 years
Peak Energy Age1-3 years1-2 years

Size & Physical Characteristics

Physical Stats

MeasurementBernedoodleMastiff
HeightNot specified cm70-76+ cm
WeightNot enough data yetNot enough data yet
Size CategoryLargeExtra Large
Lifespan

12–15 years

6–10 years

Litter Size4-88-10

Bernedoodle Coat

Type double
Length Medium
Texture straight
Colors
Various

Mastiff Coat

Type double
Length Short
Texture coarse
Colors
FawnApricotBrindle

Lineage & Origin

DetailBernedoodleMastiff
Original Purposestrength, calm, and cold toleranceWar dogs, guardians, and hunters of large game (lions, bears, wolves). In England, estate guardians protecting from poachers. Job was to seize and hold intruders using sheer mass.
OriginN/AAncient breed - ancestors depicted in Assyrian bas-reliefs from 2500 BC

Breeding Details

DetailBernedoodleMastiff
C-Section RateVariesHigh
Whelping DifficultyMediumHigh
Puppy Mortality RateLowModerate

Physical Risks

RiskBernedoodleMastiff
Bloat / GDV RiskLowHigh
Slippery Floor RiskLowHigh
Min Fence Height1.5m1.8m
Dig / Escape RiskLowLow

Health & Common Conditions

Bernedoodle Health Issues

Hip Dysplasia
Histiocytic SarcomaCancer
Von Willebrand's DiseasevWD
Gastric Dilatation-VolvulusBloat
Progressive Retinal AtrophyPRA

Mastiff Health Issues

Osteosarcoma (Bone Cancer)Leading cause of death
Gastric Dilatation-Volvulus (Bloat/GDV)High Risk
Hip Dysplasia19.4%
Elbow Dysplasia14.5%
Cystinuria (Type III)Common

Bernedoodle Suggested Tests

  • PennHIP testing (parents)
  • DNA testing (parents for vWD)
  • Gastropexy (stomach tacking) for Bloat
  • DNA test for PRA

Mastiff Suggested Tests

  • PRA (Progressive Retinal Atrophy)
  • Cystinuria DNA test
  • DM (Degenerative Myelopathy)
  • OFA or PennHIP for hips and elbows
  • Cardiac evaluation

Health Risk Overview

Risk FactorBernedoodleMastiff
Cancer RiskMediumVery High
Cardiac RiskLowMedium
Neurological RiskLowLow
CCL/ACL Tear RiskLowHigh
Vet Burden TierMediumVery High

Sensitivities & Allergies

SensitivityBernedoodleMastiff
Skin Allergies
Environmental Allergies
Stomach SensitivityLowMedium
Food Allergies

Health Maintenance

Care ItemBernedoodleMastiff
Nail Growth RateNormalFast
Eye Care NeedsLowMedium
Anal Gland IssuesOccasionalOccasional

Senior Care & Aging

Bernedoodle Senior Care

Common Senior Issues

  • Arthritis
  • Vision decline
  • Cognitive changes
Mobility Aid LikelihoodMedium
QoL Decline Age~10 years
End of Life ComplexityMedium

Senior care varies by individual health.

Mastiff Senior Care

Common Senior Issues

  • Bone cancer (osteosarcoma)
  • Arthritis (almost guaranteed)
  • Heart issues
Mobility Aid LikelihoodHigh
QoL Decline Age~7 years
End of Life ComplexityVery High

Rapid decline often starts around 6 years. May need 'Help 'Em Up' harness to assist standing. Euthanasia at home recommended if possible - transporting non-ambulatory 200lb dog to vet clinic is physically impossible for most owners without stretcher and team.

Grooming & Care

Bernedoodle

high maintenance
Coat Typedouble
Coat Lengthmedium
Coat Texturestraight
Shedding LevelLow
Seasonal SheddingLow
Ear Cleaningweekly
Dental RiskMedium
Obesity Prone
Winter Gear Needed
Summer Restrictions
Paw Protection
Odor LevelModerate
Tactile FeelVaries by coat type
Colors
Various

Mastiff

high maintenance
Coat Typedouble
Coat Lengthshort
Coat Texturecoarse
Shedding LevelMedium
Seasonal SheddingModerate
Ear Cleaningweekly
Dental RiskMedium
Obesity Prone
Winter Gear Needed
Summer Restrictions
Paw Protection
Odor LevelStrong
Tactile FeelCoat is coarse, not silky. Skin is loose and rolling.
Colors
FawnApricotBrindle

Lifestyle Compatibility

Bernedoodle Daily Life

Exercise Needs60-90 min/day
Alone TimeUp to 4h
Mental StimulationHigh
ApartmentChallenging - needs space
Work from HomeSuitable with adequate exercise
Weekend WarriorSuitable
HousingYard
Barking LevelMedium
First-Time Owner
Exercise Types
WalkingPlayTraining
NighttimeSleeps well when exercised
Food MotivationMedium

Mastiff Daily Life

Exercise Needs45-60 min/day
Alone TimeUp to 5h
Mental StimulationMedium
ApartmentDifficult - size makes them tripping hazard. If elevator-phobic, you cannot carry them. Ground floor only if attempting.
Work from HomeExcellent - usually sleeping under/near desk. However, snoring may disrupt Zoom calls.
Weekend WarriorNo - cannot handle sedentary week followed by 10-mile hike. Recipe for bloat, heatstroke, or joint tears.
HousingYard
Barking LevelMedium
First-Time Owner
Exercise Types
Gentle sniffari walksShort strollsMental stimulation via food puzzles
NighttimeHeavy snorers - if you're a light sleeper, they cannot be in your bedroom
Food MotivationHigh

Housing & Legal Restrictions

RestrictionBernedoodleMastiff
BSL Restricted
Common Rental Ban
Insurance Blacklist
Weight CategoryUnder 50lbsOver 50lbs

Climate Tolerance

ClimateBernedoodleMastiff
Heat Tolerance
Cold Tolerance
Water AffinityMediumLow

Travel Compatibility

ActivityBernedoodleMastiff
Car TravelGoodGood
Camping
Beach Friendly
Hiking Rating
Cabin Flight Eligible
Hotel Friendly Size

Niche Suitability

RoleBernedoodleMastiff
Service DogLowLow
Therapy DogLowMedium
Deep Pressure Therapy
Canicross / Bikejoring
Apartment Adaptable
Tactile / Sensory Friendly
Livestock Guardian
Medical AlertLowLow

Costs & Expenses

Upfront Costs

CostBernedoodleMastiff
Purchase PriceN/A$1,500-4,000
Initial Cost Range$1,000–$2,500$1,500–$4,000
Cost Tier

Ongoing Costs

CostBernedoodleMastiff
Monthly Range$130–$220$300–$600
Yearly Range$1,560–$2,640$3,600–$7,200
Food / Month$80-120$150-300
Insurance / Month$50-100$100-200+
Grooming / Session$100-150$75-125
Vet Routine / YearN/A$450-600
Monthly Cost Tier

Bernedoodle Lifetime Cost

N/A

Mastiff Lifetime Cost

$25,000-60,000

Quirks & Fun Facts

Daily Quirks

QuirkBernedoodleMastiff
Snoring
FlatulenceOccasionalFrequent
Slobber LevelLowHeavy
Smell When WetModerateStrong
Zoomies FrequencyOccasionalRare
Counter Surfing
Digging TendencyLowLow

Mastiff Quirks

The Mastiff Lean

Will lean their full weight (up to 200lbs) against your legs. Fall risk for children and elderly.

Ceiling Slobber

Not just when eating - they shake heads and 'fling' slime. It will be on clothes, walls, and TV.

Passive Resistance

When they don't want to do something, they simply flatten to the floor. Physically impossible to move a 200lb dog that doesn't want to move.

Room-Clearing Gas

Flatulence is frequent and potent, often clearing a room.

Frequently Asked Questions

Yes, Bernedoodles can make good family dogs with proper training and socialization. They form strong bonds with their family members.
For Bernedoodle & Mastiff owners

Turn your dog into a brand deal.

Pet brands are looking for authentic creators — not celebrities. If you own a Bernedoodle or Mastiff, you can get free products, gear, and exclusive perks just for sharing your dog's life on Instagram.

Apply for free

No followers minimum · Free to join

Compare with Other Breeds

Based on comprehensive breed research data.

View Bernedoodle profile·View Mastiff profile