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Title: Prevalence and Characteristics of Osteochondrosis in Lusitano Purebred Horses
Authors: Coelho Ramos, AS
Pinto, A
Crespo, J
Marques, JP
Bettencourt, E
Gama, LT
Monteiro, S
Keywords: Horse
Issue Date: 15-Jun-2021
Publisher: Wiley Online Library
Citation: Coelho Ramos AS et al. Prevalence and Characteristics of Osteochondrosis in Lusitano Purebred Horses. Large animal resident's forum, Scientific Presentation Abstracts, 2021 ECVS, July 08, online.
Abstract: Objectives: This is the first comprehensive study in Lusitanos that aims to study the radiographic prevalence and localisation of osteochondrosis in different joints. Methods: A radiographic protocol of the metacarpo/ metatarsophalangeal, tarsocrural and femoropatellar joints was done in 302 Lusitanos, and findings were clas- sified using a 0-4 scale: 0 - normal joint contours; 1 – minimal (minimal and smooth flattening); 2 – mild (irregularly flattening); 3 - moderate (presence of a small fragment, presence of a small rounded defect) and 4 – severe (large or multiple fragments, with a large irregular defect). Scores 1 and 2 were considered to represent OC while scores 3 and 4 corresponded to OCD Results: Abnormal findings were present in 53.31% of the horses. Most were stallions (88.74%), and the mean age was 5 ± 2.48 years (range of 1 to 12 years old). The prevalence of OC (36.75%) was higher than OCD (16.56%). The most affected joint were hocks (39.73%), followed by fetlocks (26.48%) and stifles (3.3%). OC was registered in 34.43% in hocks, 14.9% in fetlocks and 2.31% in stifles. The presence of fragments (OCD) was recorded in 6.95% of the cases in the hock, 8.93% in the fetlocks and 1.65% in the stifle. Conclusions: This Lusitano horse population has pres- ented a high prevalence of osteochondral lesions, with a low prevalence of OCD. This study is important to ensure a rational use of Lusitano and a prospective study is required to determine the genetic variability regarding OC/OCD in this breed.
Type: article
Appears in Collections:MED - Artigos em Livros de Actas/Proceedings

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