Abstract
The reverse transcription polymerase chain reaction (RT-PCR) was applied to detect bovine viral diarrhea virus (BVDV) for the rapid diagnosis. The primers were selected from the p80 region of BVDV gene. The RT-PCR assay detected all of the 17 BVDV strains tested including cytopathogenic and non-cytopathogenic strains, while specific amplification was not observed from 17 bovine viruses other than BVDV. Detection limit of the assay was 10(1.5) TCID50/ml. Sera and organ samples were collected from four field bovine viral diarrhea-mucosal disease (BVD-MD) cases; mucosal disease, abortion, diarrhea and persistent infection. The RT-PCR assay detected BVDV from those samples more than conventional virus isolation method.
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