Congenital ocular anomalies in purebred and crossbred Rocky and Kentucky Mountain horses in Canada

Multiple congenital ocular anomalies in purebred and crossbred Rocky and Kentucky Mountain horses in Canada are frequently diagnosed with biomicroscopic and indirect ophthalmoscopic examination. In order of frequency detected, these include temporal ciliary epithelial cysts; iridal hypoplasia; promi...

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Veröffentlicht in:	Canadian veterinary journal 2008-07, Vol.49 (7), p.675-681
Hauptverfasser:	Grahn, B.H, Pinard, C, Archer, S, Bellone, R, Forsyth, G, Sandmeyer, L.S
Format:	Artikel
Sprache:	eng
Schlagworte:	Animals Breeding Canada ciliary epithelial cysts color congenital abnormalities cornea crossbreds cysts (pathology) Eye Abnormalities - genetics Eye Abnormalities - veterinary eye diseases Female Genes, Dominant Genetic Linkage Genetic Predisposition to Disease Hair Color - genetics hairs horse breeds horse diseases Horse Diseases - congenital Horse Diseases - genetics Horses iridal hypoplasia iris (eyes) Kentucky Mountain (horse breed) linkage (genetics) Male Pedigree Phenotype purebreds retina retinal degeneration retinal detachment Rocky Mountain (horse breed) Scientific
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Beschreibung
Zusammenfassung:	Multiple congenital ocular anomalies in purebred and crossbred Rocky and Kentucky Mountain horses in Canada are frequently diagnosed with biomicroscopic and indirect ophthalmoscopic examination. In order of frequency detected, these include temporal ciliary epithelial cysts; iridal hypoplasia; prominent corneas; focal temporal retinal degeneration related to ciliary cysts; and, rarely, retinal detachment. A pedigree analysis confirms a dominant mode of inheritance with incomplete penetrance and with a linkage to coat color.
ISSN:	0008-5286