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Multiple congenital ocular abnormalities (MCOA) in Rocky Mountain Horses and Kentucky Mountain Saddle Horses in Europe


Kaps, S; Spiess, B M (2010). Multiple congenital ocular abnormalities (MCOA) in Rocky Mountain Horses and Kentucky Mountain Saddle Horses in Europe. Pferdeheilkunde, 26(4):536-540.

Abstract

The study describes the prevalence of multiple congenital ocular abnormalities (MCOA) in Rocky Mountain Horses and Kentucky Moutain Saddle Horses in Europe. Materials and methods: 35 RMH und KMSH were examined between 1999 and 2010. Their coat color were chocolate (24), seal brown (7), and one each of bay, black, chestnut and palomino. Ciliary body cysts (CBC) were found in 17/35 hor- ses. Two (2/35) horses had multiple congenital ocular abnormalities consistent with anterior segment dysgenesis (ASD). None of the seal brown, black or bay horses had ocular abnormalities, while 18/24 chocolate horses had lesions. One chestnut mare had also bilateral CBC. Fourteen horses (40%) were unaffected. While the prevalence of multiple ocular abnormalities appears to be lower in Europe than in the US, the prevalence of ciliary body cysts is almost the same. Prior to breeding, RMH und KMSH should be carefully examined for the presence of CBC and MCOA.
Keywords: Mountain horse, eye, congenital anomaly, anterior segment dysgenesis

Abstract

The study describes the prevalence of multiple congenital ocular abnormalities (MCOA) in Rocky Mountain Horses and Kentucky Moutain Saddle Horses in Europe. Materials and methods: 35 RMH und KMSH were examined between 1999 and 2010. Their coat color were chocolate (24), seal brown (7), and one each of bay, black, chestnut and palomino. Ciliary body cysts (CBC) were found in 17/35 hor- ses. Two (2/35) horses had multiple congenital ocular abnormalities consistent with anterior segment dysgenesis (ASD). None of the seal brown, black or bay horses had ocular abnormalities, while 18/24 chocolate horses had lesions. One chestnut mare had also bilateral CBC. Fourteen horses (40%) were unaffected. While the prevalence of multiple ocular abnormalities appears to be lower in Europe than in the US, the prevalence of ciliary body cysts is almost the same. Prior to breeding, RMH und KMSH should be carefully examined for the presence of CBC and MCOA.
Keywords: Mountain horse, eye, congenital anomaly, anterior segment dysgenesis

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:05 Vetsuisse Faculty > Veterinary Clinic > Equine Department
Dewey Decimal Classification:570 Life sciences; biology
630 Agriculture
Language:English
Date:July 2010
Deposited On:07 Jul 2010 07:18
Last Modified:27 Nov 2016 06:23
Publisher:Hippiatrika Verlag GmbH
ISSN:0177-7726
Publisher DOI:https://doi.org/10.21836/PEM20100407

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