Table 1. Primers for PCV2 and PCV3 specific target gene amplification by the double PCR.

Virus	Primer sequence (5′ → 3′)	Product length (bp)	Annealing temperature (°C)
PCV2	F: ATAGGGGTCATAGGTTAGGGCATT	305	56
	R: GAAAAATGGCATCTTCAACACCCG
PCV3	F: GGAGGTTCACTAAGGTTGTTTGTT	767	58
	R: ACCACTTCATTACCCGCCTAAACGA