Table 3.

Co-contamination detection results of pathogenic bacteria in 380 clinical samples by multiplex PCR.

Pathogens	Proportion of positive samples (%)
	carcass samples (368)	visceral tissue (12)
E. coli + K. pneumoniae	22 (6.0%)	1(8.3%)
E. coli + Salmonella	17 (4.6%)	1(8.3%)
E. coli + S. aureus	5 (1.4%)	0 (0)
S. aureus + Salmonella	5 (1.4%)	0 (0)
E. coli + K. pneumoniae + Salmonella	5 (1.4%)	0 (0)
E. coli + Salmonella + S. aureus	3 (0.8%)	0 (0)
E. coli + K. pneumoniae + Salmonella + S. aureus	3 (0.8%)	0 (0)
Total	60 (16.4%)	2 (16.7%)