Korean Journal of Veterinary Research 1999;39(2):353-358.
Identification of porcine circoviruses with genetic variation from lymph nodes collected in pigs with PMWS
Young S. Lyoo1, Jin-hyun Kim1, Choi-kyu Park2
1School of Veterinary Medicine, Konkuk University
2National Veterinary Research and Quarantine Service
Abstract
New emerging post weaning multisystemic wasting syndrome (PMWS) threatening swine industry worldwide and investigation of the etiological agent is underway. The porcine circovirus (PCV) consistently identified from PMWS pigs and research result indicate that there is strong relationship between PCV and PMWS. Fauns with PMWS submitted pigs suffered from various PMWS typical signs and necropsy finding showed lymph node anomalies. The PCV DNA was amplified from inguinal lymph node collected from pigs with PMWS. PCV specific primers were successfully amplified PCV DNAs and were able to differentiate PCV type I and II. We have identified noble PCV virus with genetic variation. The virus showed insertion of the nucleic acid at the 5' of the genome but did not have PCR product with primer set corresponding to PCV type II virus.
Key Words: PCV, PCR differentiation
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