Table 2.

Numbers of positive samples in 117 clinical specismens from sick pigs detected for earch of the four viruses by multiplex RT-PCR and TaqMan qRT-PCR^a.

Virus detected	Positive samples in multiplex RT-PCR	Positive samples in single RT-PCR	Positive samples in Taqman qRT-PCR
CSFV only	10	10	11
PRRSV only	23	23	25
PEDV only	16	16	17
TGEV only	2	2	2
CSFV/PRRSV	5	5	7
PEDV/PRRSV	1	1	1
No virus	60	60	54

^aTaqman qRT-PCR was developed by our laboratory based on previous reports (Chen et al., 2004; Lurchachaiwong et al., 2008; Risatti et al., 2003; Wang et al., 2014).