Prevalence of equine proliferative enteropathy in Hidaka district, Hokkaido, over five seasons

Equine proliferative enteropathy (EPE) is an equine infectious disease that can lead to severe weight loss and hyperplasia of the intestinal mucosa due to infection with Lawsonia intracellularis. In this study, we investigated the prevalence of EPE in a major Thoroughbred breeding area: Hidaka distr...

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Bibliographic Details
Published in:Journal of Equine Science 2022, Vol.33(4), pp.71-74
Main Authors: NIWA, Hidekazu, HIGUCHI, Toru, FUJII, Seiichi, KINOSHITA, Yuta, UCHIDA-FUJII, Eri, SUEYOSHI, Masuo, NUKADA, Toshio, UENO, Takanori
Format: Article
Language:English
Subjects:
Asymptomatic infection
Breeding sites
equine proliferative enteropathy
Hidaka
Horses
Hyperplasia
Infectious diseases
Lawsonia intracellularis
Weight loss
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Summary:Equine proliferative enteropathy (EPE) is an equine infectious disease that can lead to severe weight loss and hyperplasia of the intestinal mucosa due to infection with Lawsonia intracellularis. In this study, we investigated the prevalence of EPE in a major Thoroughbred breeding area: Hidaka district, Hokkaido, Japan. Of the 252 symptomatic horses that we tested, 192 EPE cases (76.2%), including 8 fatal cases, were confirmed from April 2015 to March 2020 by etiological and/or serological investigation. Most of the EPE cases were observed in foals (88.5%), with fewer cases in yearlings (7.3%) and adults (4.2%). Asymptomatic infection was observed in 62.9% of the horses kept with affected horses. These results suggest that EPE is an enzootic disease in Hidaka district.
ISSN:1340-3516
1347-7501
DOI:10.1294/jes.33.71