Figure 1

Amplification of genomes of different easily infected canine viruses by multiplex reverse transcription-nested polymerase chain reaction. Lane 1: positive control of canine distemper virus (CDV) vaccine strain; lane 2: positive control of CDV wild-type strain; lane 3: uninfected cells control; lane M: DL2000 DNA Marker; lane 4: canine parvovirus; lane 5: canine adenovirus; lane 6: canine coronavirus; lane 7: rabies virus; lane 8: Newcastle disease virus.