Fig. 5

Agarose gel electrophoresis of samples detected by RT-nestPCR assay. The spleens of the rabbits were collected and total RNA was extracted. The viral RNA was detected by the RT-nestPCR amplification. Lane M: DL 100 plus DNA Marker. Lane 1–4: CSFV-E2 group; Lane 5–8: CSFV-Erns group; Lane 9–12: CSFV E2 + Erns group; Lane 13–16: C-strain group; Lane 17–20: PBS group