Table 3.

Detection of S. Enteriditidis in skimmed milk after different enrichment period

Sample	Controla	Enrichment periodb (CFU/mL)
Skimmed milk		6 h	8 h	10 h	12 h	14 h
	NDc	ND	1.91 × 105 ± 2.57 × 104	5.07 × 106 ± 4.92 × 105	9.6 × 106 ±  8.73 × 105	2.75 × 107 ±  4.15 × 106

^a‘Control’ is skimmed milk sample without S. Enteriditidis used as blank

^bEach assay was repeated three times, the result shows the average of three replicates

^cND, Not Detectable