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Mixed breed dog
Varies with ancestry
Also known as: mixed, mixed breed, mutt, crossbreed, cross breed, mongrel, rescue
- Adult weight
- 5–40 kg
- Life expectancy
- 10–15 years
- Size
- Medium
- Exercise
- Moderate
- Origin
- Worldwide
- Group
- Mixed
Reference update: · Not veterinary-reviewedNo single breed standard — ranges are typical values for this group.
Health topics to discuss with your vet
- ●Risks depend on parent breedsBreed-specific association not yet verified.
- ●Obesity and dental disease are the most common problems in all dogsBreed-specific association not yet verified.
Not a diagnosis or a complete risk list. A general condition reference explains a disease but does not establish increased risk in this breed or group. Unsourced associations still need verification.
Care tips
- ✓A DNA breed test can reveal inherited risks
- ✓Use body condition score rather than breed weight
Calculators for your Mixed breed dog
Sources & review
Reference update 25 October 2026; not an independent veterinary review. Direct breed evidence is identified above. General directories below do not verify every listed health association.
- Fédération Cynologique Internationale (FCI) – Breed nomenclature ↗
- The Kennel Club (UK) – Breeds A to Z ↗
- American Kennel Club – Dog breeds ↗
- UFAW – Genetic welfare problems of companion animals ↗
- Orthopedic Foundation for Animals – Health screening ↗
Weight and lifespan are typical ranges for healthy adults from breed standards and veterinary references; individuals vary. Not veterinary advice.