Australian Shepherd vs Bullmastiff
Breed Compatibility
86% Compatible
Energy Level
Australian Shepherd: Energetic0.8
Bullmastiff: Energetic0.8
Very Compatible
Trainability
Australian Shepherd: Eager to Please1.0
Bullmastiff: Agreeable0.6
Moderately Compatible
Grooming Needs
Australian Shepherd: Weekly Brushing0.4
Bullmastiff: Occasional Bath/Brush0.2
Very Compatible
Cost Category
Premium
Premium
Very Compatible
Compatibility with Others
Good with Children
Australian Shepherd5/5
Bullmastiff3/5
Good with Other Dogs
Australian Shepherd3/5
Bullmastiff3/5
Good with Strangers
Australian Shepherd3/5
Bullmastiff3/5
Living Requirements
Suitable Environments
Climate Suitability
Suitable Environments
Climate Suitability
Health & Care Comparison
Australian Shepherd
Hip Dysplasia: Joint malformation risk
MDR1 Gene: Drug sensitivity issue
CEA: Hereditary eye condition
Epilepsy: Neurological disorder
Cataracts: Vision impairment risk
Elbow Dysplasia: Joint development
Bullmastiff
Hip Dysplasia: Joint malformation
Bloat: Gastric torsion risk
Heart Issues: Cardiac concerns
Eye Problems: Various conditions
Cancer: Higher susceptibility
Joint Issues: Elbow dysplasia
Pros & Cons Comparison
Australian Shepherd
Pros
Highly intelligent
Excellent work ethic
Versatile abilities
Strong protective instincts
Athletic and agile
Cons
High exercise needs
Intense herding instinct
Heavy shedding
Can be too energetic
Requires constant mental stimulation
Bullmastiff
Pros
Loyal and protective
Good with family
Low grooming needs
Quiet nature
Excellent guardians
Cons
Heavy droolers
Shorter lifespan
Size management issues
Not good with strangers
Health concerns
Australian Shepherd Fun Fact
Australian Shepherds, despite their name, were actually developed in the western United States, not Australia!
Bullmastiff Fun Fact
Despite their imposing size, Bullmastiffs were bred to be 'silent guardians' and rarely bark unnecessarily.
Heritage & Purpose
Australian Shepherd
Origin:
Developed in western United States during the 1800s, these dogs excelled in herding livestock across challenging terrain. Their versatile skills and keen intelligence made them invaluable to ranchers.
Bullmastiff
Origin:
Developed in England during the 1800s by gamekeepers to combat poaching. Combined strength of Mastiff with agility of Bulldog to create silent guardians for large estates.
Special Considerations
Australian Shepherd
Regular grooming needed during shedding seasons. Requires extensive daily exercise and mental stimulation. Health testing for MDR1 gene mutation recommended.
Bullmastiff
Requires early socialization and training to manage size. Drooling and shedding need regular attention. Health monitoring essential due to breed-specific issues.
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