Table 1.

Primers Used for PCR Amplification of Target Genes in This Study

Target gene	Primer	Sequencea(5′-3′)	Restriction site	Expected product (bp)
PCV2 ORF2	ORF2fs	CTT AGT CGA CAT GAC GTA TCC AAG GAG	Sal I	722
	ORF2rs	CGG GAG TAC TAT TCA TTA AGG GTT AAG	Sca I
Porcine IL-18	pIL18fs	TAA GCG GCC GCA TGT ATA AGA TGC AGC T	Not I	599
	pIL18rs	CGT CTC GAG TCA AGT CAG TGT TG	Xho I
PCV2 ORF1	ORF1fs	TGG GTG TGG CAA AAG CAA ATG		191
	ORF1rs	TAG TCT CAA CAG TCA AAG GAT

^aThe restriction enzyme sites used for the construction are underlined.

PCR, polymerase chain reaction; PCV2, porcine circovirus type 2.