Table 2.

Nucleotide sequences of primers used for capsid (cap) gene amplification in this study

PCV type	Primer sequences (5’−3’)		Size of the product (bp)	References
PCV2	PCV2-939 PCV2-33	GCC GAG GTG CTG CCG CT CAG TTC GTC ACC CTT TCC CC	863	Yang et al. (2008)
PCV3	PCV3-649–1 F PCV3-649-1R	TTACTTAGAGAACGGACTTGTAACG AAATGAGACACAGAGCTATATTCAG	649	Visuthsak et al. (2021)
PCV4	PCV4-904 F PCV4-1745R	TGAGGGAGGATGGGCAGTTGTATG CACCACCCACAGATGCCAATCA	842	Zhang et al. (2020)