The American Bobtail is a beloved cat breed with a wonderful temperament. But even healthy cat breeds face real health risks - heart disease, kidney problems, and dental issues can generate serious vet bills.
No breed-specific studies yet - unranked. Missing data is not low risk.
Measured risks
How often they happen is backed by published studies.
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All cats [2] 14.7% (12.3-17.4%) point prevalence on screening echocardiography, 780 cats (Payne JR, et al. 2015, the CatScan study, J Vet Cardiol)
Thickened heart muscle that can cause sudden death without warning. No dedicated American Bobtail echocardiographic study exists - this is the all-cats screening baseline. Full profile →
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All cats [3] 1.2% (cats under 9) rising to 3.6% (9 and older), UK primary care (Conroy M, et al. 2019, Veterinary Record/VetCompass)
Progressive kidney failure requiring dietary management and fluid therapy. This is an all-cats, age-banded baseline - no American Bobtail-specific study was found. Full profile →
Known risks
Well documented in the breed - but no study has counted how often.
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Breed study Breed clubs and veterinary-content sources consistently list hip dysplasia as an American Bobtail concern and recommend hip screening before breeding; no peer-reviewed prevalence study specific to the breed was found.
Malformed hip joints causing lameness and early arthritis. Widely cited as a breed concern in American Bobtail breed profiles and recommended as a pre-breeding screening item, though no independent epidemiological study of the breed exists. Full profile →
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Body type Buckley RM, et al. (2013, PLOS Genetics/PubMed 23949773) identified a mutant T-gene allele shared between Manx and American Bobtail/Pixie-Bob; severe spinal defects are documented in Manx cats carrying two mutant copies, not specifically quantified in American Bobtails.
The breed's short tail comes from a dominant mutation in the T (Brachyury) gene, which shares a mutant allele with the Manx - a breed where the same gene family, in more extreme (homozygous or fully tailless) form, causes spinal cord and sacrocaudal defects ('Manx syndrome'). American Bobtails keep a partial tail and aren't bred for complete taillessness, but vets recommend X-rays to confirm normal vertebral count in affected lines.
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Not measured No confirmed American Bobtail-specific prevalence found
Periodontal disease requiring professional cleaning or extractions. No American Bobtail-specific study was found. Full profile →
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Not measured No confirmed American Bobtail-specific prevalence found; general indoor-cat obesity rates commonly cited around 30-60% depending on study population
Excess body weight accelerates joint wear (a particular concern given the breed's hip dysplasia flag), raises diabetes risk, and strains the heart. This is the all-cats indoor-cat baseline, not a breed-specific finding. Full profile →
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Not measured No confirmed American Bobtail-specific prevalence found
Requires daily insulin. No American Bobtail-specific prevalence study was found. Full profile →
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Not measured No confirmed American Bobtail-specific prevalence found
Urinary blockage. Emergency + ongoing. No American Bobtail-specific prevalence study was found. Full profile →
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Not measured No confirmed American Bobtail-specific prevalence found
Common feline cancer. No American Bobtail-specific prevalence study was found. Full profile →
How we know these numbers
- Confirmed = measured or gene-confirmed specifically in this breed
- Breed study = scientists counted it in this exact breed
- Body type = comes from the cat's build - size, skull, skin
- Genetic risk = the gene is proven, the odds are not
- All cats = an average for all cats, not this breed
- Not measured = nobody has counted it yet
- How we grade evidence →
Most owners sign a policy based on ads, but learn the real rules only when their first big claim gets denied. We don't want to scare you. We want to prepare you.
Price Explosion Premium creep
Hostage Status Pre-existing
The Year 6 Rule Age limit
Symptom = Game Over Pre-existing
Bilateral Exclusion Bilateral
AI Claims Adjuster Coverage
Orthopedic Waiting Period Waiting period
UCR Limits Exclusion
Common Questions
Real answers about costs, treatment, and insurance coverage.
What is the most common health problem in American Bobtails?
How much does pet insurance cost for a American Bobtail?
Is pet insurance worth it for a American Bobtail?
What is the average yearly vet cost for a American Bobtail?
What pre-existing conditions affect American Bobtail insurance coverage?
Does pet insurance cover hip dysplasia or tail/spinal issues in American Bobtails?
How much does kidney disease treatment cost for a American Bobtail?
Why does my American Bobtail insurance premium keep going up every year?
Can I switch pet insurance if my American Bobtail has a diagnosed condition?
What does pet insurance not cover for American Bobtails?
Should I get pet insurance or self-insure my American Bobtail?
What questions should I ask before insuring my American Bobtail?
Similar cats
My mother-in-law's boxer. Problem. $1,200 in tests, no answers. Another vet solved it with $8 pills. When you're scared, you'll pay anything - and some vets price accordingly. So I built what I couldn't find: real costs, real exclusions, plain language. Not selling policies.
Sources
Research and data used to compile this profile.
- 1 Buckley RM, Davis BW, Brashear WA, et al. Multiple mutant T alleles cause haploinsufficiency of Brachyury and short tails in Manx cats. PLOS Genetics. 2013 - identifies a mutant T-gene allele shared between Manx and American Bobtail/Pixie-Bob.
- 2 Payne JR, Brodbelt DC, Luis Fuentes V. Cardiomyopathy prevalence in 780 apparently healthy cats (the CatScan study). J Vet Cardiol. 2015;17(Suppl 1):S244-57 - all-cats HCM baseline.
- 3 Conroy M, Brodbelt DC, O'Neill D, Chang YM, Elliott J. Chronic kidney disease in cats attending primary care practice in the UK. Vet Rec. 2019;184(17):526.