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First Report on Molecular Detection of Equine Upper Respiratory Infectious Viruses in Republic of Korea

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Ko, Sungjin; Kang, Jun-Gu; Yeh, Jung-Yong; Moon, Jin-San; Choi, Gui-Cheol; Won, Sohyun; Chae, Joon-Seok

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W. B. Saunders Co., Ltd.
Journal of Equine Veterinary Science, Vol.33 No.8, pp.628-636
The prevalence of equine respiratory virus infections among a suspected population of race horses was examined using polymerase chain reaction (PCR). One or more of five equine respiratory viruses were detected in the nasal swabs of 45 of 89 horses (50.6%), and the detection rate of equine herpesvirus type 1 (EHV-1), equine herpesvirus type 4 (EHV-4), equine herpesvirus type 5 (EHV-5), equine rhinitis A virus (ERAV) and equine rhinitis B virus (ERBV) were 5.6%, 7.9%, 39.0%, 2.2%, and 6.7%, respectively. Among the 45 infected horses, 7 were co-infected with EHV and/or equine rhinitisvirus (ERV). Equine influenzavirus and equine arteritisvirus were not detected in any samples. Specific antibodies to EHV-1 and/or EHV-4 were detected in 59 of 73 tested sera (80.8%), using a virus neutralization test. This investigation suggests that equine respiratory viruses are endemic at Seoul Race Park and that the impact of viral infections on race horses' health in Republic of Korea should be evaluated. (c) 2013 Elsevier Inc. All rights reserved.
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