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KMID : 1023520140370020097
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Korean Journal of Veterinary Service
2014 Volume.37 No. 2 p.97 ~ p.100
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Survey on antibody against bovine herpesvirus 1 (BoHV-1) in cattle in Korea
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Choi Eun-Jin
Song Seung-min
Oh Yoon-I
Kim Eun-Ju
Song Jae-Young
Oem Jae-Ku
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Abstract
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This study was performed in Korea to get serological information for bovine herpesvirus 1 (BoHV-1), most commonly found in cattle. Antibodies against BoHV-1 were examined by targeting infectious bovine rhinotracheitis (IBR) in unvaccinated and vaccinated cattle, using viral neutralization (VN) test. In 2013, among 261 sera collected from IBR-unvaccinated herds, 7 sera (2.7%) were found seropositive and their VN titers were ranging from 1:4 to 1:32. Among 315 sera collected from IBR-vaccinated herds in large capacity farms, 303 sera (96.2%) were found to be seropositive for BoHV-1 and their VN titers were in the range of 1:4 to 1:2048. It was found that the IBR-vaccinated herds had higher levels of VN titer than IBR-unvaccinated herds. The results indicated that it may be due to heavy vaccination in vaccinated herds and no or a little infection in unvaccinated herds. At the end of the study it was concluded that although the seropositivity in IBR-unvaccinated herds was low, the monitoring of IBR should be continuously practiced to control and prevent the disease because of exportation of living cattle causing its nationwide outbreaks.
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KEYWORD
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Bovine herpesvirus 1, BoHV-1, Korea, Virus neutralization, VN test, Infectious bovine rhinotracheitis, IBR
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