Table 1.

Sequence and position of oligonucleotide primers used in RT-PCR and nested PCR

Primer	Sequence 5′–3′	Sense	Positiona
CDFb	GGATTCTGAGGCAGATGAGTTCTTC	+	369–394
CDRb	AGCTAATCCAGCTTCTACAATGTAGT	−	776–801
CDNFc	GTGACTGCTCCTGATACTGCAG	+	544–565
CDNRc	CACAAATCATTTCAGCAATTCTAGGCT	−	740–766

^aThe oligonucleotide position is based on the sequence of the accession no. AJ009656 CDV strain.

^bRT-PCR.

^cNested PCR.