OMIA 001418-9615 : Cricopharyngeal dysfunction in Canis lupus familiaris

Mendelian trait/disorder: yes

Mode of inheritance: Autosomal Recessive

Considered a defect: yes

Key variant known: no

Species-specific name: CD

Species-specific description: As reported by Davidson et al. (2004), "The CD phenotype was determined by videofluoroscopy, and dogs were classified as affected if the upper esophageal sphincter (UES) did not open, if there were morphologic abnormalities of the UES, or if opening of the UES was delayed for > or = 6 videofluoroscopic frames (0.2 seconds) after closure of the epiglottis."


2004 Davidson, AP., Pollard, RE., Bannasch, DL., Marks, SL., Hornof, WJ., Famula, TR. :
Inheritance of cricopharyngeal dysfunction in Golden Retrievers. Am J Vet Res 65:344-9, 2004. Pubmed reference: 15027684.

Edit History

  • Created by Frank Nicholas on 25 Oct 2005
  • Changed by Frank Nicholas on 18 Jun 2013