1. Mitral valve disease (myxomatous MVD)
Source dated accessed 2026-05-20Affects 40%+ of UK Cavaliers; up to 100% by age 10+. KC Heart Scheme grades murmur severity and MVP; genetic factors involved in severity.
Cavalier King Charles Spaniel Insurance NZ
Hereditary risks, breed-specific cover considerations, and the NZ pet insurers offering dog cover.
Small dog (≤10 kg) Lifespan 9–14 years Also known as Cavalier, King Charles
What to think about when insuring a Cavalier King Charles Spaniel
Small breed at high cardiac risk (MVD nearly universal). Lifetime heart condition cover essential with no mitral valve exclusion; verify regular cardiology screening (age 2, 4, 6+) included and medication benefits unlimited.
Hereditary and breed-related conditions
Sourced from UK Kennel Club Breed Health & Conservation Plans, Royal Veterinary College VetCompass, and peer-reviewed veterinary literature. Every condition cited; pop-vet sources excluded.
2. Syringomyelia (SM)
Source dated accessed 2026-05-20Spinal fluid-filled cavities causing pain/neurological signs; heritable; MRI screening available.
Why this matters for pet insurance: NZ pet insurers handle hereditary and congenital conditions differently — some cover them, some exclude them entirely, some cover with breed-specific exclusions. The condition has to be insured BEFORE diagnosis to be covered. Compare insurer rules for hereditary cover →
NZ insurers offering Cavalier King Charles Spaniel cover
All 8 NZ pet insurers in our wording index offer dog cover. Wordings differ on hereditary conditions, waiting periods, age caps, and excess. Snapshot generated 2026-05-20.
AA Pet Insurance
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Cove Pet Insurance
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PD Insurance
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Petcover (Petplan NZ)
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PetNSur
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Southern Cross Pet Insurance
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SPCA Pet Insurance
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Tower Pet Insurance
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Find the right policy for your Cavalier King Charles Spaniel
60-second scenario matcher — filter by hereditary cover, waiting period, age caps and what you can afford. Sourced from real insurer wordings, not marketing pages.
Find my top 3 policies →Frequently asked questions
What are the main hereditary conditions in Cavalier King Charles Spaniels?
Cavalier King Charles Spaniels are most commonly screened for: Mitral valve disease (myxomatous MVD), Syringomyelia (SM). Each condition has a different prevalence and a different impact on pet insurance cover — see the sources cited above for the underlying veterinary literature.
Does pet insurance cover hereditary conditions in Cavalier King Charles Spaniels?
It depends on the wording. Some NZ pet insurance policies cover hereditary and congenital conditions after a waiting period; some exclude them entirely; some cover with breed-specific exceptions. The condition must not have been pre-existing at the time you took out the policy. Use our policy match to filter by hereditary cover.
What size is a Cavalier King Charles Spaniel?
Cavalier King Charles Spaniels are Small dog (≤10 kg). Typical lifespan is 9–14 years.
When should I insure a Cavalier King Charles Spaniel?
As early as possible — ideally as a puppy before any hereditary or congenital conditions develop or are diagnosed. Once a condition has been observed, treated, or even noted in vet records, NZ pet insurers will treat it as pre-existing and exclude it from future cover. This matters most for breeds with strong hereditary risk profiles.
Not personalised advice. Editorial overview only. NZ pet insurance wordings change — read your policy document and quote with the insurer for binding terms.
Hereditary-condition data sourced from UK Kennel Club, RVC VetCompass, OFA, and peer-reviewed veterinary research. Insurer roster snapshot from 2026-05-20. Page generated 2026-05-21.