Hyperkalemic periodic paralysis (HYPP)

The disease is characterized by intermittent episodes of muscular fasciculations, weakness,... more
Disease
Hyperkalaemic Periodic Paralysis has been reported in Quarter Horses (Offsprings of the stallion “Impressive”) and horses with Quarterhorse blood (Apaloosas and Paints). The disease is characterized by intermittent episodes of muscular fasciculations, weakness, myotonia, or involuntary recumbency. HYPP is the result of a genetic mutation in the sodium channel gene of skeletal muscles. It is inherited as an autosomal dominant trait. That means that a heterozygous carrier of the defect gene shows the same symptoms than a horse with both allels affected.
Breed
Appaloosa, Paint Horse, Quarab, Quarter Horse, Quarter pony
Heredity
autosomal dominant
Test duration
3 - 5 days after arrival of the sample in the lab
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