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Progressive retinal atrophy in the Abyssinian cat.

R Sarvå

    Nordisk Veterinaermedicin
    |November 1, 1986
    PubMed
    Summary

    Hereditary progressive retinal atrophy, a blinding eye disease, affects Abyssinian cats. Pedigree research traces this condition in Denmark to Swedish lineages, confirming its hereditary nature.

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    Area of Science:

    • Ophthalmology
    • Veterinary Genetics
    • Animal Ophthalmology

    Background:

    • Hereditary progressive retinal atrophy (HPRA) is a degenerative eye condition affecting various cat breeds.
    • Abyssinian cats are predisposed to specific genetic disorders, necessitating further investigation into ocular conditions.
    • Understanding the genetic basis of retinal diseases is crucial for feline welfare and breeding programs.

    Purpose of the Study:

    • To report and characterize cases of hereditary progressive retinal atrophy (HPRA) in Abyssinian cats in Denmark.
    • To investigate the lineage and potential genetic origins of HPRA in the studied feline population.
    • To document the clinical progression and eventual outcome of this specific form of retinal degeneration.

    Main Methods:

    • Case reporting of eight affected Abyssinian cats.
    • Pedigree analysis to trace genetic lineage.
    • Ophthalmic examination to assess disease characteristics (bilateral, progressive, generalized).

    Main Results:

    • Eight cases of hereditary progressive retinal atrophy (HPRA) were identified in Abyssinian cats in Denmark.
    • Pedigree studies revealed a direct genetic link to affected Abyssinian cats in Sweden.
    • The disease presented as bilateral, progressive, generalized retinal degeneration, leading to blindness.

    Conclusions:

    • Hereditary progressive retinal atrophy (HPRA) is present in the Danish Abyssinian cat population.
    • A shared genetic heritage with Swedish Abyssinian cats is indicated for this specific retinal disease.
    • This condition results in progressive vision loss and eventual blindness in affected felines.

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