HyoBi Kim1, Hyun Baek2, SooJin Lee1, YangHo Jang1, SukChan Jung2, Aeran Kim2 and NongHoon Choe1*
1College of Veterinary Medicine, Konkuk University, Seoul 143-701, Korea.
2National Veterinary Research and Quarantine Service, Anyang 430-856, Korea.