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Norwegian Forest Cat

03rd October 2018

Norwegian Forest Cat

Image supplied by Animal Photography

The Norwegian Forest Cat is quite a large active cat with a long coat which comes in a variety of colours.

Health and welfare issues

Hypertrophic cardiomyopathy (HCM) may be a problem in this breed but more information is required. Pyruvate kinase (PK) deficiency has been found in the breed and glycogen storage disease type IV, an inherited abnormality of glucose metabolism, is also seen in Norwegian Forest cats.


We have limited the information about inherited disorders to those conditions that are known and proven to exist within a breed. For many breeders and many conditions, insufficient information may be available at this time to know whether any particular breed is necessarily free of any particular condition.

In general, pedigree breeds use a much smaller gene pool for breeding than domestic cats and therefore have a higher risk of developing inherited disorders. In addition, a number of ‘newer’ pedigree breeds are derived from matings between one or more ‘older’ breeds, and in these situations perpetuation of inherited problems that were seen in older breeds is likely within the newer breeds.

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