The inheritance of susceptibility to feline infectious peritonitis in purebred catteries

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Abstract

Inheritance of susceptibility to feline infectious peritonitis was investigated with pedigree data from 10 generations of cats in purebred catteries. Cats that were first degree relatives of FIP-affected cats were significantly more likely to be affected by FIP than unrelated cats. It was often possible to trace inheritance of FIP in Persian catteries back to a particular ancestor. The mode of inheritance was best modeled as a polygenic trait. The heritabilities were very high: greater than 54% in four Persian catteries and 52% in one Birman cattery. Cat breeders might achieve success in reducing FIP risk by selecting cats from less susceptible lineages for their breeding programs.

Original languageEnglish (US)
Pages (from-to)14-22
Number of pages9
JournalFeline Practice
Volume24
Issue number1
StatePublished - Jan 1996

ASJC Scopus subject areas

  • Small Animals

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