Norwegian Forest Cat

Health problems sometimes seen in Norwegian forest cats include hypertrophic cardiomyopathy, hip dysplasia, and glycogen storage disease type IV. This rare disorder causes an enzyme deficiency where glycogen can’t be processed properly, causing altered glycogen to build up in muscles and nerves. The disease is fatal—some kittens die before or just after birth, while others may not show signs of the disease until they are 4 or 5 months old.


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