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Hereditary Nasal Parakeratosis

Original price £48.00 - Original price £48.00
Original price
£48.00 - £48.00
Current price £48.00

Our DNA test for Hereditary Nasal Parakeratosis is ideal for breeders and owners who want the reassurance of genetic health testing.

If you need more than two tests it is often more cost-effective to order the relevant breed package.


Hereditary Nasal Parakeratosis (HNPK) causes a dry, rough, and crusty nose which can sometimes crack painfully. Affected dogs are otherwise healthy but the must be continually treated to prevent excessive dryness.

An autosomal recessive condition caused by a mutation in the SUV39H2 gene.


This test is also included in the following breed packages:

  • Australian Labradoodle
  • Cockerdor
  • Labradoodle
  • Labrador Essential


Scientific references:

Jagannathan V, Bannoehr J, Plattet P, Hauswirth R, Drögemüller C, Drögemüller M, Wiener DJ, Doherr M, Owczarek-Lipska M, Galichet A, Welle MM, Tengvall K, Bergvall K, Lohi H, Rüfenacht S, Linek M, Paradis M, Müller EJ, Roosje P, Leeb T. A mutation in the SUV39H2 gene in Labrador Retrievers with hereditary nasal parakeratosis (HNPK) provides insights into the epigenetics of keratinocyte differentiation. PLoS Genet. 2013;9(10):e1003848