ISSN 2398-2993      

Epitheliogenesis imperfecta lingua bovis

obovis
Contributor(s):

Ash Phipps

Paul Wood

Synonym(s): Smooth tongue


Introduction

  • Cause: inherited autosomal recessive trait.
  • Signs: hypersalivation, poor coat, small soft horns, soft feces to diarrhea and failure to thrive.
  • Diagnosis: provisional diagnosis can be made based on the history and clinical presentation.
  • Treatment: no treatment.
  • Prognosis: poor.

Pathogenesis

Etiology

  • The condition is thought to be an inherited autosomal recessive trait.

Predisposing factors

Specific

  • Dam and sire are carrier (heterozygous) animals of the condition.

Pathophysiology

  • It is thought that this condition is caused by a generally lower mitotic rate in tongue epithelium, interfering with the formation of primary dermal papillae.
The condition has been experimentally induced by inducing iron deficiency Iron overview in calves which caused atrophy of the filiform papillae
 

 

Timecourse

  • Present at birth.

Epidemiology

  • Previous studies have investigated the penetrance of the condition within affected herds.
  • Due to the condition being an inherited autosomal recessive trait, it has been demonstrated to occur in 1:3 distribution in the F2 generation.

Diagnosis

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Treatment

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Prevention

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Outcomes

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Further Reading

Publications

Refereed Papers

  • Recent references from PubMed and VetMedResource.
  • Dalir‐Naghadeh B, Seifi H A & Farshid A A (2004) Congenital bovine epitheliogenesis imperfecta: a report of three cases from Iran. J Vet Med 51 (9‐10), 409-412 PubMed.
  • Huston K, Leipold W H & MacFadden D L (1968) Smooth tongue in Brown Swiss cattle. J Heredity 59 (1), 65-67 PubMed.
  • Gilmore L O (1949) Inherited non-lethal anatomical characters in cattle: A review. J Dairy Sci 33, 147-165 SciDirect (pdf download).
  • de Groot T (1943) The heredity of smooth tongue, with special reference to cattle. Genetica 23 (1), 221-246.

Other sources of information

  • Radostits O M, Gay C C, Blood D C & Hinchliff K W (2006) Veterinary Medicine. A Textbook of the Diseases of Cattle, Sheep, Pigs, Goats and Horses. 7th edn. Saunders, China.
  • Weisman-Hamerman Z M (1970) Some Aspects of the Hereditary Defect Epitheliogenesis Imperfecta Linguae bovis (smooth-tongue). Studies on Differentiation and Keratinization in Tongue Epithelium. Proefschrift Vet Fak Rijksuniv, Netherlands. pp 1-135.

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