Article Text

Inheritance of 'overshot' malocclusion in German shorthaired pointers
  1. MJ Byrne and
  2. GM Byrne


An abnormality of jaw development in the German shorthaired pointer which results in severe overshot is described. Its frequency of occurrence in a kennel where only phenotypically normal breeding stock were used was six/100 pups alive at three weeks. The abnormality was inherited in a manner consistent with the influence of a single autosomal recessive gene. The penetrance of the gene could possibly be masked in populations in which undershot jaw occurs.

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