TABLE 1.

Detection of salmonellae in liquid egg from plant A in the spring of 2003

Sample no.	Sampling		Initial no. of contaminated organisms (CFU/g)		Detection methoda
	Day	Time	Salmonella	Bacteria	Culture	LAMP	PCR
1	1	a.m.	1.2 × 102	3.5 × 105	+	+	+
2		p.m.	1.3 × 102	9.2 × 104	+	+	+
3	2	a.m.	1.0 × 101	1.8 × 106	+	+	+
4		p.m.	<1	4.6 × 104	+	+	+
5	3	a.m.	3.0 × 101	6.4 × 106	+	+	+
6		p.m.	3.0 × 101	7.9 × 104	+	+	+
7	4	a.m.	4.0 × 101	2.0 × 106	+	+	+
8		p.m.	<1	3.7 × 104	+	+	+
9	5	a.m.	7.0 × 101	1.5 × 106	+	+	+
10		p.m.	3.0 × 101	9.1 × 104	+	+	+
11	6	a.m.	1	1.4 × 106	+	+	+
12		p.m.	2	6.5 × 104	+	+	+
13	7	a.m.	<1	6.1 × 105	+	+	+
14		p.m.	3.0 × 101	1.1 × 105	+	+	+
15	8	a.m.	7.0 × 101	4.5 × 106	+	+	+
16		p.m.	2.4 × 102	1.7 × 105	+	+	+
17	9	a.m.	1	2.6 × 106	+	+	+
18		p.m.	3	1.7 × 105	+	+	+
19	10	a.m.	2	4.3 × 106	+	+	+
20		p.m.	2.0 × 101	6.8 × 105	+	+	+
21	11	a.m.	<1	8.4 × 105	+	+	+
22		p.m.	8.0 × 101	2.2 × 105	+	+	+
23	12	a.m.	2.1 × 102	1.6 × 107	+	+	+
24		p.m.	4	6.7 × 104	+	+	+

^aCulture consisted of enrichment culture in BPW with a 25-g sample, followed by culture with TT and RV, plated onto xylose lysine deoxycholate. For LAMP and PCR, enrichment culture in BPW with a 25-g sample was used for the assays.