417 / 596
1
Deli turkey (125 g)
2
3
For the low inoculation level of the MDA 2 -
Listeria
assay, there were 8 presumptive positives
4
and 8 confirmed positives following the USDA/FSIS MLG 8.09 reference method confirmation
5
procedure. There were 7 observed positives for the reference method. For the high inoculation
6
level, there were 5 presumptive positives and 5 confirmed positives following the USDA/FSIS
7
MLG 8.09 reference method confirmation procedure. There were 5 confirmed positives
8
following the reference method. Detailed results of the POD analyses are presented in Tables 9
9
and 13.
10
11
Naturally Contaminated raw chicken leg pieces (25 g)
12
13
Lot 1
14
For lot 1 of the raw chicken leg pieces of the MDA 2 -
Listeria
assay, there were 18 presumptive
15
positives and 18 confirmed positives following the USDA/FSIS MLG 8.09 reference method
16
confirmation procedure. There were 16 observed positives for the reference method. Detailed
17
results of the POD analyses are presented in Tables 9 and 13.
18
19
Lot 2
20
For lot 2 of the raw chicken leg pieces of the MDA
Listeria -
2 assay, there were 12 presumptive
21
positives and 12 confirmed positives following the USDA/FSIS MLG 8.09 reference method
22
confirmation procedure. There were 14 observed positives for the reference method. Detailed
23
results of the POD analyses are presented in Tables 9 and 13.
24
25
Whole melon
26
27
For the low inoculation level of the MDA 2 -
Listeria
assay, there were 12 presumptive positives
28
and 10 confirmed positives following the FDA/BAM Chapter 10 reference method confirmation
29
procedure, resulting in 2 false positives. There were 8 observed positives for the reference
30
method. For the high inoculation level, there were 5 presumptive positives and 5 confirmed
31
positives following the FDA/BAM Chapter 10 reference method confirmation procedure. There
32
were 5 confirmed positives following the reference method. Detailed results of the POD analyses
33
are presented in Tables 9 and 13.
34
35
Vanilla ice cream (25 g)
36
37
For the low inoculation level of the MDA 2 -
Listeria
assay, there were 7 presumptive positives
38
and 7 confirmed positives following the AOAC 993.12 reference method confirmation
39
procedure. There were 7 observed positives for the reference method. For the high inoculation
40
level, there were 5 presumptive positives and 5 confirmed positives following the AOAC 993.12
41
reference method confirmation procedure. There were 5 confirmed positives following the
42
reference method. Detailed results of the POD analyses are presented in Tables 9 and 13.
43
44
Queso fresco (25 g)
45
46