Table 1. Primers of each detected gene.

Accession No.	Gene	Primer sequence 5′ to 3′		Products size (bp)
NC005148	PCV2	Forwards	TGACCTGTCTACTGCTGTGA	570
		Reverse	CCGTGGATAGTTCTGTAGCA
FJ755618	TGEV	Forwards	CAACCCTGAAACTAACGCAATTCT	252
		Reverse	GCCCATCCAGTCGCACTACTT
AF353511	RV	Forwards	AAATCCGCAACTATACTGTGACTA	410
		Reverse	TTTGATCCGCCTACTTGAATGACT
FJ807867	PEDV	Forwards	TCGAAGGAACGTGACCTCA	140
		Reverse	CACGAACAGCCACATTACCA