A Kurilian Bobtail needs 3 lines on a calendar: an echocardiogram for hypertrophic cardiomyopathy (HCM) at 12 months, a monthly weigh-in, and a dental exam every 6 months from age 1. The mouth is the line owners skip, and in a cat that hides pain well it is also the line that costs the most later. Breed-specific prevalence data are not published, so the intervals below are a default schedule, and the sample is small enough that the evidence is limited.
Screen schedule: 4 tests, 5 age bands
| Age | Echo | HCM DNA | Chest X-ray | Urine | Dental |
|---|---|---|---|---|---|
| 4 to 6 months | 0, listen only | 1, optional | 0 | 0 | 1, check bite |
| 12 months | 1 | 0, already run | 1, baseline | 1, baseline | 1 |
| 24 months | 1 | 0 | if murmur grade 2 of 6 | 1 | 1, first scale |
| 2 to 7 years | 1 per 12 months | 0 | 1 per 24 months | 1 per 12 months | 1 per 6 months, scale as needed |
| 8 years and up | 1 per 6 to 12 months | 0 | 1 per 12 months | 1 per 6 months | 1 per 6 months plus radiographs |
That looks heavy for a young cat. It is 1 echo, 1 X-ray, 1 urine test and 2 dental visits in year 1, the minimum that gives a cardiologist and a dentist a comparison at year 5.
Heart: 3 numbers, then a rhythm
HCM thickens the left ventricular wall with no pressure load to explain it, and it is the reason the first echo is not optional. Ask for wall thickness in diastole (under 5 mm normal, 5 to 5.9 mm grey zone with a 6 month recheck, 6 mm or more meeting the standard definition), the left atrium to aorta ratio (1.5 or below fine, 1.5 to 1.7 equivocal, above 1.7 changing the plan within 7 days), and systolic anterior motion of the mitral valve, which points to a different drug class.
DNA testing covers the Maine Coon variant (MYBPC3 A31P) and the Ragdoll variant (MYBPC3 R820W). No Kurilian-specific variant has been established, so a panel returns those 2 markers plus variants of unknown significance and should be run once, at 60 to 200 dollars. A positive means an echo every 12 months for life; a negative does not clear the cat. For a comparison of how another bobtail breed handles the same gap, see the Japanese Bobtail screening plan.
A chest X-ray at 12 months gives a baseline vertebral heart score: 7.5 is typical for a cat, above 8.0 suggests enlargement. NT-proBNP adds context at 50 to 120 dollars but never replaces the echo.
Weight: a big frame hides 1 kg
A male Kurilian sits near 4.5 to 6.8 kg and a female near 3 to 5 kg, and a semi-long coat over a muscular frame hides fat along the spine and at the base of the tail. Weigh monthly on a baby scale readable to 10 g, same hour, before the first meal, and score body condition on the 9 point scale: 5 ideal, 6 to 7 is 5 to 10 percent over ideal, 8 and 9 is obesity. On a 5 kg cat, 250 g is a 5 percent gain and 500 g is 10 percent; the second number is a vet visit with a thyroid and glucose check, not a stricter diet alone.
Loss runs at 0.5 to 1 percent of body weight per week, 25 to 50 g on a 5 kg cat, and never above 1.5 percent, because 48 hours without food is a hepatic lipidosis risk in any cat that carries extra weight.
Mouth: the exam owners skip
Dental disease in cats starts at the gum line and moves under it, where a conscious look cannot reach. A 6 monthly conscious exam checks breath, tartar along the upper fourth premolar, redness at the gum margin, and whether the cat chews on 1 side. Once a year from age 3, and earlier if tartar is visible, the cat needs an anesthetized examination with periodontal probing and full mouth radiographs, because 60 percent of a tooth sits below the gum and resorptive lesions start at the root. Probing depth under 1 mm is normal in a cat; 2 mm or more with bleeding means attachment loss and a plan.
At home, brush 3 times a week with a cat enzymatic paste, 30 seconds per side, and use a dental diet or a VOHC-accepted chew daily. A grade 1 mouth (tartar, no redness) can wait 6 months; grade 2 (redness, bleeding on probing) is a scaling within 30 days; grade 3 or 4, with pus, loose teeth or pain on eating, is a dental within 7 days. Prescription antibiotics, when a dentist prescribes them, come from a veterinarian only.
The 4 signals to log at home
Breathing first: count chest movements for 30 seconds while the cat sleeps, double it, write the number. Under 30 breaths a minute is normal, 30 to 39 on 2 separate days earns a call, 40 or more at rest is an emergency. Then weight in grams, chewing behaviour (dropping kibble, tilting the head, eating on 1 side), and mouth checks: bad breath plus drooling plus a red gum line is 3 findings in 1 week, not 3 separate problems.
Add water intake. A cat that drinks more than 45 ml per kg per day, roughly 220 ml on a 5 kg cat, needs a urine test and a kidney panel, not a bigger bowl.
When to call, by the hour
| Sign | Threshold | Call within | First move |
|---|---|---|---|
| Sleeping respiratory rate | 40 or more, or 30 to 39 twice in 24 hours | 2 hours | 30 second video, then drive in |
| Open-mouth breathing at rest | any episode past 60 seconds | 0, now | carrier, cool car, no scruffing |
| Hind legs weak, pads cold | any episode, 1 is enough | 1 hour | treat as a clot until cleared |
| Drooling plus refusal to eat | 24 hours, or 12 hours with swelling | 6 hours | no hard food, no painkiller from home |
| Face swelling under 1 eye | any, with or without discharge | 12 hours | do not lance, warm compress only |
| Weight down 10 percent in 3 months | 0.5 kg on a 5 kg cat | 7 days | weigh weekly, book bloodwork |
What the first 3 years cost
US clinic ranges and mainland China ranges at roughly 7.2 CNY per dollar.
| Item | USD | CNY |
|---|---|---|
| Echocardiogram | 220 to 450 | 1,600 to 3,300 |
| HCM DNA panel, once | 60 to 200 | 430 to 1,450 |
| Chest X-ray | 90 to 180 | 650 to 1,300 |
| Urinalysis | 40 to 90 | 290 to 650 |
| Dental prophylaxis with radiographs | 300 to 700 | 2,200 to 5,000 |
| Extraction, per tooth | 60 to 250 | 430 to 1,800 |
| Year 1 total, 4 core tests | 410 to 920 | 2,970 to 6,700 |
Year 2 is close to 260 to 570 dollars for an echo and a urine test, plus 300 to 700 if the first scale happens then. Policies often exclude dental cleaning and breed-linked screening, so check both exclusion lines before the first claim. A monthly weigh-in costs nothing and catches the 5 percent gain that the coat hides; the breed quiz is a reasonable first step if the tail type is still unclear.
Five steps for this month
- Book the 12 month echo and request wall thickness, LA/Ao and SAM in writing.
- Run the HCM panel once at that visit; do not repeat it.
- Weigh in grams on the same scale and start a 9 point body condition log.
- Book a conscious dental check, then an anesthetized scale with radiographs if tartar is visible.
- Start brushing 3 times a week and count the sleeping respiratory rate twice.
Terms mentioned in this article
Frequently asked
How often does a Kurilian Bobtail need an echocardiogram?
At 12 months, again at 24 months, then every 12 months through adult life and every 6 to 12 months after age 8. A wall thickness of 5 to 5.9 mm moves the recheck to 6 months, and a positive HCM panel keeps a 12 month rhythm for life.
Why does the dental check matter more than the X-ray?
Because gum disease starts below the gum line where a conscious look cannot reach, and a cat will eat through pain for months. A 6 monthly conscious exam plus 1 anesthetized scaling with full mouth radiographs catches lesions while the tooth can still be saved, rather than after the cat stops eating.
How fast should a Kurilian Bobtail lose weight?
At 0.5 to 1 percent of body weight per week, which is 25 to 50 g a week on a 5 kg cat, and never faster than 1.5 percent. Weigh weekly while losing, keep the protein level up, and treat 48 hours of not eating as urgent because of the hepatic lipidosis risk.