Discriminating the eight genotypes of the porcine circovirus type 2 with TaqMan-based real-time PCR

Table 1 Typical features of PCV2 genotypes

Genotype	Full genome	ORF2	Occurrence
PCV2a	1768 bp	702 bp/233 aa	worldwide
PCV2b	1767 bp	702 bp/233 aa	worldwide
PCV2c	1767 bp	705 bp/234 aa	Brazil, China?, Denmark^a
PCV2d	1767 bp	705 bp/234 aa	worldwide
PCV2e	1777 bp	717 bp/238 aa	China, Japan, Mexico, USA
PCV2f	1767 bp	705 bp/234 aa	Asia (China, India, Indonesia), Brazil, Croatia
PCV2g	1767 bp or 1768 bp	702 bp/233 aa or 705 bp/234 aa	Asia, Europe (Germany, Romania, Ukraine)
PCV2h	1767 bp	705 bp/234aa	Asia (China, India, Indonesia, Thailand, Viet Nam)

ISSN: 1743-422X