
Norwegian Forest Cat
The Norwegian Forest Cat is a hardy, friendly mountain breed with a thick coat and a calm, gentle disposition well suited to family life.
- Size
- Large
- Lifespan
- 13–16 years
- Origin
- Norway
- Temperament
- Friendly
- Standard colors
- Black, White and Blue and 10 more
Characteristics
Coat and grooming
How the Norwegian Forest Cat coat is built, and what that means when you groom it.
- Coat layers
- Double coat
- Coat texture
- Silky
- Coat length
- Long
- Shedding
- Seasonal shedding
Grooming guidance
Critical: A Norwegian Forest Cat should not be shaved.
The undercoat keeps heat out as well as in, and the outer coat shields the skin from sun and insect bites. Clipping the whole coat off removes both. It often grows back patchy, soft or a different colour, and in some animals the guard hairs never return properly. Brush the undercoat out instead of cutting it off.
Caution: A Norwegian Forest Cat coat mats easily.
Fine or long hair tangles at the base of the coat, out of sight, where the mats tighten and pull on the skin. Brushing has to reach right down to the roots in sections, not just skim the surface.
Information: A Norwegian Forest Cat drops its undercoat in heavy bursts.
The undercoat comes out in heavy bursts over a few weeks. An undercoat rake, or a bath followed by a proper blow-dry, clears it far faster than daily brushing. Clipping the coat down is not a shortcut for this.
Norwegian Forest Cat colors and patterns
What each club's breed standard says about every Norwegian Forest Cat color and pattern. Point at a ruling to see the club's own wording.
Breed standards describe the Norwegian Forest Cat in Black, White, Blue, Lilac, Silver, Brown, Chocolate, Cinnamon, Red, Amber, Gold, Cream and Fawn. Standard patterns: Solid, Bicolour, Tricolour, Harlequin, Tabby, Mackerel tabby, Classic tabby, Spotted tabby, Ticked tabby, Tortoiseshell, Calico, Torbie, Van, Smoke, Shaded, Chinchilla and Caliby.
| Color or pattern | TICA | CFA | FIFE | GCCF | WCF |
|---|---|---|---|---|---|
| Black | Standard | Standard (“Black”) | Standard (“black”) | Standard (“Black”) | Standard |
| White | Standard | Standard (“White”) | Standard (“white”) | Standard (“White”) | Standard (“pure white”) |
| Blue | Standard | Standard (“Blue”) | Standard (“blue”) | Standard (“Blue”) | Standard |
| Lilac | Standard | Disqualifying (“lavender, lilac”) | Not recognised (“lilac”) | Not recognised (“Lilac”) | Not recognised (“lilac”) |
| Silver | No ruling | Standard (“Silver”) | Standard (“silver”) | Standard (“Silver”) | No ruling |
| Brown | Standard | Standard (“Brown Tabby”) | Standard (“black tabby”) | Standard (“Brown Tabby”) | No ruling |
| Chocolate | Standard | Disqualifying (“chocolate”) | Not recognised (“chocolate”) | Not recognised (“Chocolate”) | Not recognised (“chocolate”) |
| Cinnamon | Standard | Disqualifying (“cinnamon”) | Not recognised (“cinnamon”) | Not recognised (“Cinnamon”) | Not recognised (“cinnamon”) |
| Red | Standard | Standard (“Red”) | Standard (“red”) | Standard (“Red”) | Standard |
| Amber | No ruling | Standard (“Amber”) | Standard (“amber / light amber”) | Standard (“Amber”) | Standard (“amber”) |
| Gold | No ruling | Standard (“Golden”) | Standard (“golden”) | No ruling | No ruling |
| Cream | Standard | Standard (“Cream”) | Standard (“cream”) | Standard (“Cream”) | Standard |
| Fawn | Standard | Disqualifying (“fawn”) | Not recognised (“fawn”) | Not recognised (“Fawn”) | Not recognised (“fawn”) |
| Sable | No ruling | Disqualifying (“sable”) | No ruling | No ruling | No ruling |
| Caramel | No ruling | No ruling | No ruling | Not recognised (“Caramel”) | No ruling |
| Apricot | No ruling | No ruling | No ruling | Not recognised (“Apricot”) | No ruling |
| Patterns | |||||
| Solid | Standard (“Solid”) | Standard (“Solid”) | Standard (“solid”) | Standard (“Selfs”) | No ruling |
| Bicolour | Standard (“with white”) | Standard (“Solid Color and White”) | Standard (“bicolour”) | Standard (“Bicolour”) | Standard (“bicolour”) |
| Tricolour | Standard (“tri-color”) | No ruling | No ruling | No ruling | No ruling |
| Harlequin | No ruling | No ruling | Standard (“harlequin”) | Standard (“Harlequin Pattern”) | Standard (“harlequin”) |
| Tabby | Standard (“tabbies”) | No ruling | Standard (“tabby”) | Standard (“Tabby”) | No ruling |
| Mackerel tabby | No ruling | Standard (“Mackerel Tabby”) | Standard (“mackerel”) | Standard (“Mackerel Pattern”) | No ruling |
| Classic tabby | No ruling | Standard (“Classic Tabby”) | Standard (“blotched”) | Standard (“Classic Pattern”) | No ruling |
| Spotted tabby | No ruling | Standard (“Spotted Tabby”) | Standard (“spotted”) | Standard (“Spotted Pattern”) | No ruling |
| Ticked tabby | No ruling | Standard (“Ticked Tabby”) | Standard (“ticked”) | Standard (“Ticked Tabby Patten”) | No ruling |
| Tortoiseshell | No ruling | Standard (“Tortoiseshell”) | Standard (“tortie”) | Standard (“Black Tortoiseshell”) | No ruling |
| Calico | No ruling | Standard (“Calico”) | Standard (“tortie with white”) | No ruling | No ruling |
| Torbie | No ruling | Standard (“Patched Tabby”) | Standard (“tortie tabby”) | Standard (“Black Tortoiseshell Tabby”) | No ruling |
| Van | No ruling | Standard (“Van”) | Standard (“van”) | Standard (“Van Patterned”) | Standard (“van”) |
| Smoke | No ruling | Standard (“Smoke”) | Standard (“smoke”) | Standard (“Smoke”) | No ruling |
| Shaded | No ruling | Standard (“Shaded”) | Standard (“shaded”) | Standard (“Shaded”) | No ruling |
| Chinchilla | No ruling | Standard (“Chinchilla”) | Standard (“shell”) | No ruling | No ruling |
| Caliby | No ruling | Standard (“Calico”) | Standard (“tortie with white”) | No ruling | No ruling |
| Pointed | Not recognised | Disqualifying (“point-restricted”) | Not recognised (“pointed patterns”) | Not recognised (“Siamese pattern”) | Not recognised (“pointed pattern”) |
| Mink | Not recognised | No ruling | No ruling | No ruling | No ruling |
| Sepia | Not recognised | No ruling | No ruling | No ruling | No ruling |
| Color or pattern | TICA | CFA | FIFE | GCCF | WCF |
|---|---|---|---|---|---|
| Blue | Standard (“blue”) | Standard (“blue”) | Standard (“deep blue”) | Standard (“Blue eyed”) | Standard (“Blue”) |
| Hazel | Standard | No ruling | No ruling | No ruling | No ruling |
| Orange | Standard | No ruling | Standard (“copper or deep orange”) | Standard (“Orange eyed”) | No ruling |
| Copper | Standard | Standard (“copper”) | Standard (“copper or deep orange”) | No ruling | No ruling |
| Amber | Standard | No ruling | No ruling | No ruling | No ruling |
| Yellow | Standard | No ruling | No ruling | No ruling | No ruling |
| Gold | Standard | Standard (“gold”) | No ruling | No ruling | No ruling |
| Green | Standard | Standard (“green”) | Standard (“green”) | Standard (“Green eyed”) | No ruling |
| Patterns | |||||
| Odd-eyed | Standard (“Odd-eyes”) | Standard (“odd”) | Standard (“odd eyed”) | Standard (“Odd eyed”) | Standard (“odd”) |
| Color or pattern | CFA | GCCF |
|---|---|---|
| Black | Standard (“black desirable”) | Standard (“Solid black”) |
| Blue | Standard (“blue desirable”) | Standard (“Solid blue”) |
| Brown | Standard (“dark brown/charcoal-black”) | Standard (“Dark to light brown”) |
| Brick red | Standard (“brick red desirable”) | Standard (“Brick red”) |
| Pink | Standard (“pink desirable”) | Standard (“Pink”) |
| Color or pattern | CFA | GCCF |
|---|---|---|
| Black | Standard (“black desirable”) | Standard (“Solid black”) |
| Blue | Standard (“blue desirable”) | Standard (“Solid blue”) |
| Brown | Standard (“black or brown desirable”) | Standard (“solid brown”) |
| Brick red | Standard (“brick red desirable”) | No ruling |
| Pink | Standard (“pink desirable”) | Standard (“Pink”) |
What the rulings mean
- Standard
- Described by the club's breed standard.
- Disqualifying
- The club's breed standard disqualifies an animal of this colour or pattern.
- Not recognised
- The club does not accept this colour or pattern for the breed.
Color changes
How a Norwegian Forest Cat's colors can change over its life.
Brownchanges toCopal
Coat · With age · from 0 to 52 weeks
Blackchanges toRusset
Coat · Progressive
Tabbychanges toSolid
Coat · With age · from 0 to 39 weeks
Whitechanges toShaded
Coat · With age
Whitechanges toChinchilla
Coat · With age
Tabbychanges toShaded
Coat · With age · from 0 to 6 weeks
Tabbychanges toChinchilla
Coat · With age · from 0 to 6 weeks
Bluechanges toTortoiseshell
Coat · With age
Blackchanges toBrown
Coat · With body condition · can change back
Blackchanges toBrown
Coat · In the sun · can change back
Blackchanges toBrown
Coat · Progressive
Whitechanges toPointed
Coat · With age · from 1 to 52 weeks
Solidchanges toSmoke
Coat · With age · from 3 to 104 weeks
Bluechanges toGreen
Eyes · With age · from 4 to 17 weeks
Bluechanges toYellow
Eyes · With age · from 4 to 17 weeks
Bluechanges toGold
Eyes · With age · from 4 to 17 weeks
Bluechanges toCopper
Eyes · With age · from 4 to 17 weeks
Bluechanges toOrange
Eyes · With age · from 4 to 17 weeks
Bluechanges toHazel
Eyes · With age · from 4 to 17 weeks
Bluechanges toAmber
Eyes · With age · from 4 to 17 weeks
Pinkchanges toSeal
Nose · With age · from 1 to 52 weeks
Pinkchanges toBlue
Nose · With age · from 1 to 52 weeks
Pinkchanges toChocolate
Nose · With age · from 1 to 52 weeks
Pinkchanges toLilac
Nose · With age · from 1 to 52 weeks
Pinkchanges toSeal
Paw pads · With age · from 1 to 52 weeks
Pinkchanges toBlue
Paw pads · With age · from 1 to 52 weeks
Pinkchanges toChocolate
Paw pads · With age · from 1 to 52 weeks
Pinkchanges toLilac
Paw pads · With age · from 1 to 52 weeks
Sources
Each ruling comes from the club's published breed standard or color list.
About the Norwegian Forest Cat
The Norwegian Forest Cat is a large, long-haired breed from Norway, known for a thick weatherproof coat and a calm, friendly nature that suits family homes.
The Norwegian Forest Cat is a large, sturdy breed that developed in the cold forests of Norway. It carries a dense double coat, a full ruff around the neck, and a long bushy tail, all of which evolved to handle harsh northern winters. Males commonly reach 5.5 to 7.5 kg (12 to 16 lb), and some larger individuals weigh more, placing the breed among the bigger domestic cats.
Despite its rugged build, the breed is even-tempered and sociable. Owners describe it as friendly, gentle, and calm, with steady patience around children. It tends to bond with the whole household rather than fixing on a single person, and it usually tolerates other cats and dogs once introductions are handled at a measured pace.
This is a slow-maturing cat. A Norwegian Forest Cat may not reach full size and coat development until around four to five years of age, so the kitten you raise keeps filling out well into adulthood.
| Attribute | Detail |
|---|---|
| Origin | Norway |
| Size | Large |
| Lifespan | 13 to 16 years |
| Group/role | Companion cat, long-haired natural breed |
| Good with | Children, other cats, and cat-friendly dogs |
Who it suits
The Norwegian Forest Cat fits families that want a large, calm companion and can commit to regular coat care. It enjoys climbing and watching from height, so a home with cat trees or sturdy shelving suits it well. Quiet households and busy family homes both work, since the cat is adaptable and not particularly demanding of attention.
History and origin of the Norwegian Forest Cat
The Norwegian Forest Cat is a natural breed from Norway, present in Scandinavian folklore for centuries and formally recognised as a breed in the twentieth century.
The Norwegian Forest Cat is a natural breed, meaning it developed over a long period through adaptation to its environment rather than from deliberate crossing. Long-haired cats appear in Norwegian folklore and rural life going back centuries, where they were valued as working cats on farms and ships for controlling rodents.
The cold, wet climate of Norway shaped the breed's physical traits. A dense, water-resistant double coat, tufted ears, and large paws helped these cats survive winters outdoors. Many of these features remain in the modern breed.
For much of its history the breed existed only as a regional farm cat. By the early twentieth century, interest grew in preserving it as a distinct type, though two world wars and crossbreeding with free-roaming domestic cats threatened its identity. Organised breeding programmes in Norway worked to stabilise the type and protect it from disappearing.
The breed gained formal recognition from European cat registries in the 1970s, and it was later accepted by registries in other countries. The Norwegian Forest Cat is now established internationally while remaining a point of national pride in Norway.
Norwegian Forest Cat appearance and breed standard
The Norwegian Forest Cat is a large, muscular cat with a dense double coat, a thick neck ruff, tufted ears, and a long bushy tail.
The Norwegian Forest Cat has a strong, athletic build with a long body, substantial bone, and powerful legs. The hind legs are slightly longer than the front legs, giving the cat a capable climbing stance. The head is shaped like an equilateral triangle, with a straight profile and large, well-tufted ears.
The coat is the breed's most distinctive feature. It consists of a woolly undercoat covered by a long, smooth, water-resistant top coat. A full ruff frames the neck and chest, and the tail is long and heavily furred. Coat thickness varies with the season, growing heavier in winter and thinning back in warmer months.
| Trait | Standard |
|---|---|
| Height | 23 to 30 cm (9 to 12 inches) at the shoulder |
| Weight | Males 5.5 to 7.5 kg (12 to 16 lb), females 3.5 to 5.5 kg (8 to 12 lb) |
| Coat | Long, dense double coat with neck ruff and bushy tail |
| Colours | Most colours and patterns except colourpoint, including tabby, solid, bicolour, and tortoiseshell |
| Eyes | Large, almond-shaped, in shades of green, gold, copper, and blue (blue or odd-eyed in some white cats) |
Coat and colours
The breed comes in a wide range of colours and patterns. Brown tabby with white is common, but solids, smokes, silvers, and tortoiseshells also appear. Colourpoint patterns are not accepted in the breed standard. Eye colour usually relates to coat colour, with green, gold, and copper most frequent, while white cats may have blue or odd-coloured eyes.
Norwegian Forest Cat temperament and personality
The Norwegian Forest Cat is friendly, gentle, and calm, with patience around children and a steady, sociable attitude towards people and other pets.
The Norwegian Forest Cat has a balanced, easygoing personality. It is friendly and affectionate without being clingy, and it tends to stay near family members rather than demanding constant lap time. Many individuals follow their people from room to room and settle nearby to watch the household.
With children, the breed is gentle and patient, which makes it a reliable family cat when interactions are supervised and respectful. With strangers, most are calm and curious rather than fearful, though a quieter cat may take some time to warm up to new visitors. The breed usually accepts other cats and cat-friendly dogs after a gradual introduction.
These cats are intelligent and enjoy climbing, exploring, and problem-solving. They retain a working cat's instinct for hunting and like to perch high to survey their surroundings. They are generally quiet, using a soft voice rather than frequent loud calls.
| Trait | Rating |
|---|---|
| Affection | 4 |
| Energy | 3 |
| Trainability | 3 |
| Vocalness | 2 |
| Shedding | 4 |
Norwegian Forest Cat care and grooming
The Norwegian Forest Cat needs regular brushing of its double coat, room to climb, and seasonal attention during heavy shedding periods.
Grooming
- Brush the coat two to three times a week to prevent mats and remove loose undercoat.
- Increase brushing to daily during spring and autumn shedding, when the undercoat sheds heavily.
- Check the ruff, behind the legs, and the belly, where tangles form most often.
- Trim nails every two to three weeks and check ears for wax or debris.
- Bathing is rarely needed because the coat is water-resistant and largely self-maintaining.
Exercise
- Provide tall cat trees and sturdy shelves so the cat can climb and perch.
- Use interactive toys and short play sessions to keep the cat active.
- Offer scratching posts to protect furniture and support natural behaviour.
- Rotate puzzle feeders or foraging toys to engage the cat's problem-solving instinct.
Environment
The Norwegian Forest Cat adapts to most homes but does best with vertical space and a few quiet retreats. It tolerates cold well thanks to its coat, but it should still live indoors or in a secure outdoor enclosure to protect it from traffic, predators, and disease. The breed handles family activity calmly and is comfortable in multi-pet households.
Norwegian Forest Cat nutrition and feeding
The Norwegian Forest Cat needs a complete, protein-rich diet sized to its large frame, with portions adjusted by life stage and activity to prevent excess weight.
As a large, slow-maturing breed, the Norwegian Forest Cat benefits from a complete and balanced diet built around animal protein. Kittens need extra calories to support long growth that can continue for several years, while adults need controlled portions to avoid weight gain. Always provide fresh water, and choose a food formulated to meet recognised nutritional standards for the cat's life stage.
| Life stage | Amount per day | Meals |
|---|---|---|
| Kitten (2 to 12 months) | Follow product guidance for growth, fed to appetite | 3 to 4 |
| Adult (1 to 7 years) | Roughly 250 to 320 calories, adjusted to weight and activity | 2 |
| Senior (7 years and older) | Adjusted to maintain healthy weight, often slightly less | 2 |
Treats and supplements
Keep treats to no more than about 10 per cent of daily calories to protect against weight gain in this large breed. Most healthy cats on a complete diet do not need supplements. Speak with a veterinary surgeon before adding any supplement, since needs depend on age, health, and the base diet.
Norwegian Forest Cat health and lifespan
The Norwegian Forest Cat is generally healthy with a lifespan of 13 to 16 years, though a few inherited conditions warrant screening and routine veterinary care.
The Norwegian Forest Cat is a robust breed with a typical lifespan of 13 to 16 years, and many cats live well within that range with good care. Like all pedigree cats, it carries some risk of inherited conditions, so buying from breeders who screen their breeding cats reduces the chance of passing on disease. Routine veterinary visits help catch problems early. The Kennel Club (KC) and cat breed associations in the UK encourage health testing within established breeding programmes.
| Condition | Signs | Note |
|---|---|---|
| Hypertrophic cardiomyopathy | Lethargy, rapid breathing, reduced activity | Heart muscle disease; detected by veterinary cardiac screening |
| Glycogen storage disease type IV | Weakness, tremors, failure to thrive in kittens | Inherited metabolic disorder; a DNA test allows breeders to avoid affected litters |
| Hip dysplasia | Stiffness, reluctance to jump, altered gait | Joint condition seen in some large breeds; managed with weight control and care |
| Polycystic kidney disease | Increased thirst, weight loss, poor appetite | Kidney condition; screening reduces risk in breeding lines |
Preventive care
- Schedule annual veterinary check-ups, with more frequent visits for senior cats.
- Keep vaccinations and parasite control up to date.
- Maintain a healthy weight to protect joints and the heart.
- Provide regular dental care to prevent gum disease.
- Ask breeders for DNA test results for glycogen storage disease type IV and cardiac and kidney screening.
Norwegian Forest Cat training and enrichment
The Norwegian Forest Cat is intelligent and responds well to short, reward-based training for litter habits, handling, and simple tricks.
The Norwegian Forest Cat is intelligent and curious, which makes it receptive to training when sessions are short and rewarding. It learns household routines quickly and can be taught to use scratching posts, accept grooming, and come when called. Training also gives this active, climbing-oriented cat useful mental work.
Basics
- Start litter training early in a quiet, accessible location, and keep the box clean.
- Reward use of scratching posts and cat trees to redirect natural behaviour.
- Introduce a carrier with treats and short sessions so travel and vet visits are calmer.
- Practise gentle handling of paws, ears, and coat so grooming is accepted.
- Teach simple cues such as come or sit with a treat and a consistent word.
Norwegian Forest Cat breeding and raising kittens
The Norwegian Forest Cat matures slowly, with a roughly nine-week gestation and litters that commonly number three to five kittens needing careful early socialisation.
The Norwegian Forest Cat reaches sexual maturity around 7 to 12 months, but breeders often wait until cats are physically and behaviourally mature before mating, given the breed's slow development. Responsible breeding pairs cats that have been health screened for known inherited conditions.
Gestation lasts about 63 to 67 days. Litters commonly include three to five kittens, though size varies. Kittens are born blind and dependent, opening their eyes at around one to two weeks and beginning to explore as they grow.
Early socialisation is important. Handling, gentle exposure to household sounds, and contact with people during the first weeks help kittens develop into confident, friendly adults. Kittens should stay with the mother and litter until at least 12 weeks so they finish weaning and learn social behaviour. Because this breed matures slowly, full coat and adult size continue developing for several years after kittenhood.
| Metric | Value |
|---|---|
| Sexual maturity | 7 to 12 months |
| Gestation | 63 to 67 days |
| Average litter size | 3 to 5 kittens |
| Eyes open | 1 to 2 weeks |
| Weaning | Around 8 to 10 weeks |
| Recommended rehoming age | 12 weeks or older |
| Full maturity | 4 to 5 years |
Microchip and registration for your Norwegian Forest Cat
England now requires chipped pet cats, and a free United Pet Club record keeps your Norwegian Forest Cat on the right side of that rule for life.
How to register a Norwegian Forest Cat in the United Kingdom
A Norwegian Forest Cat that lives entirely indoors can still end up at a rescue centre; a propped-open door is all it takes. The free United Pet Club profile keeps your name, number and the cat's photo where a scan can find them. Register your cat once and the record holds for the whole of her life.
Until the fifteen digit number is lodged in a registry, your Norwegian Forest Cat's chip identifies nobody. Lodge it free with United Pet Club: the lifetime plan takes any brand, keeps every update free, and leaves the record searchable day and night. Microchip registration first, then a free account if you are new here.
How do I register my Norwegian Forest Cat in the UK?
Create a free United Pet Club account, add your Norwegian Forest Cat's name, colouring and a photo, and save. The profile is free for the whole of the cat's life, and England's cat microchipping rule makes a current record worth having from day one.
How do I register my Norwegian Forest Cat's microchip?
Enter the fifteen digit number from your paperwork into your free United Pet Club account with your address, phone and email. The lifetime plan never charges for the record or for keeping it current.
Does a Norwegian Forest Cat have to be microchipped in the UK?
In England, yes: pet cats have needed a chip since June 2024, with kittens done by twenty weeks. Scotland and Wales have not followed yet, but a chipped and registered Norwegian Forest Cat is covered wherever you live.
What does it cost to register a Norwegian Forest Cat in the UK?
Nothing. Profile, chip record and unlimited amendments are free for life with United Pet Club, wherever in the UK you and the cat happen to live.
Norwegian Forest Cat frequently asked questions
Common questions about the Norwegian Forest Cat cover its size, temperament, grooming needs, lifespan, family suitability, and availability in the UK.
How big does a Norwegian Forest Cat get?
It is a large breed. Males commonly weigh 5.5 to 7.5 kg (12 to 16 lb) and females 3.5 to 5.5 kg (8 to 12 lb), with some males larger. The breed reaches full size slowly, often by four to five years of age.
What is the Norwegian Forest Cat's temperament like?
It is friendly, gentle, and calm. The breed bonds with the whole family, is patient with children, and is generally quiet rather than demanding.
Is the Norwegian Forest Cat hard to care for?
Care is moderate. The main commitment is brushing the double coat two to three times a week, and daily during seasonal shedding. Otherwise the breed is hardy and adaptable.
How long do Norwegian Forest Cats live?
Most live 13 to 16 years with good nutrition, regular veterinary care, and a healthy weight.
Are Norwegian Forest Cats good family pets?
Yes. Their gentle, patient nature suits households with children, and they usually get along with other cats and cat-friendly dogs after a gradual introduction.
Do Norwegian Forest Cats shed a lot?
They shed moderately year-round and heavily during spring and autumn, when the woolly undercoat is released. Regular brushing manages most loose hair.
Where can I get a Norwegian Forest Cat in the UK?
They are available from registered breeders who health screen their cats, and occasionally through breed-specific rescue organisations. Ask for screening results for cardiac, kidney, and glycogen storage disease type IV before buying. The Governing Council of the Cat Fancy (GCCF) maintains a list of registered breeders.