Table 2.

Representative example of real-time PCR results, expressed as cycle threshold (Ct) values, for pure culture of 4 different Salmonella serovars including S. Typhimurium and S. 4,[5],12:i:-.

Salmonella serovar	Representative example of Ct values for each gene target
	invA	fliA	hin-iroB	fljB
4,[5],12:i:-	23.0	24.6	Negative	35.2
Agona	18.5	Negative	Negative	Negative
London	18.3	Negative	18.4	20.9
Typhimurium	21.3	21.3	23.2	21.9