Narcolepsy (Dachshunds)
Body function: Muscle & Neurological
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Narcolepsy in dachshunds is caused by a missense mutation in the HCRTR2 gene. This mutation has been identified in standard smooth dachshunds, though it may also occur in other types of dachshunds. Dogs with narcolepsy will begin showing symptoms between 1 and 6 months of age. This mutation is inherited in the autosomal fashion, meaning both parents must be carriers for the puppy to have the mutation. If only one parent is a carrier, the puppy will become a carrier as well.
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