Molecular Approach for Tracing Dissemination Routes of Shiga Toxin-Producing Escherichia coli O157 in Bovine Offal at Slaughter
Table 1
Summary of STEC O157 isolates obtained in this study.
Isolate number
Date of slaughter
Animal number*1
Place*2
Farm*2
Source
Virulence gene
stx
eaeA
hlyA
1
6/Jul/2006
206
i
A
Tongue
2c
+
+
2
6/Jul/2006
207
ii
B
Tongue
2c
+
+
3
6/Jul/2006
208
ii
B
Tongue
2c
+
+
4
6/Jul/2006
210
iii
C
Tongue
2c
+
+
5
6/Jul/2006
207
ii
B
Liver
2c
+
+
6
20/Jul/2006
842
iv
D
Omasum
+
+
7
27/Jul/2006
1202
v
E
Feces
2c
+
+
8
27/Jul/2006
1207
v
F
Feces
2c
+
+
9
27/Jul/2006
1208
v
F
Feces
2c
+
+
10
27/Jul/2006
1242
iii
G
Feces
2c
+
+
11
27/Jul/2006
1257
i
H
Feces
2c
+
+
12
27/Jul/2006
1263
i
I
Feces
1
13
28/Jul/2006
1315
vi
J
Feces
2c
+
+
14
28/Jul/2006
1316
vi
J
Feces
2c
+
+
15
28/Jul/2006
1318
vi
J
Feces
2c
+
+
16
23/Aug/2006
834
vii
K
Feces
2c
+
+
17
24/Aug/2006
852
iii
L
Feces
2c
+
+
18
24/Aug/2006
868
vii
M
Feces
2c
+
+
19
24/Aug/2006
869
vii
M
Feces
2c
+
+
20
24/Aug/2006
883
vii
N
Feces
+
+
21
24/Aug/2006
851
iii
O
Omasum
2c
+
+
22
24/Aug/2006
853
iii
L
Omasum
2c
+
+
23
25/Aug/2006
936
viii
P
Feces
2c
+
+
24
25/Aug/2006
937
viii
P
Feces
2c
+
+
25
30/Aug/2006
1048
v
E
Feces
2c
+
+
26
30/Aug/2006
1050
v
Q
Feces
2c
+
+
27
30/Aug/2006
1057
v
F
Feces
2c
+
+
28
30/Aug/2006
1058
v
F
Feces
2c
+
+
29
30/Aug/2006
1068
vii
R
Feces
2c
+
+
30
9/Sep/2006
383
i
I
Feces
1
31
9/Sep/2006
388
i
S
Feces
2c
+
+
32
9/Sep/2006
389
i
S
Feces
2c
+
+
33
9/Sep/2006
392
i
T
Feces
2c
+
+
34
9/Sep/2006
399
vii
U
Feces
2c
+
+
35
9/Sep/2006
400
vii
U
Feces
2c
+
+
36
9/Sep/2006
401
vii
U
Feces
2c
+
+
37
9/Sep/2006
424
ix
V
Feces
2c
+
+
38
14/Sep/2006
601
viii
P
Feces
2c
+
+
39
30/Sep/2006
1152
ix
W
Feces
2c
+
+
40
17/Aug/2006
635
vii
N
Carcass
2c
+
+
41
24/Aug/2006
890
vii
N
Carcass
+
+
Animals were numbered monthly according to the slaughtering order. The places (prefectures) and farms, where the animals were fed, were shown in Arabic numerals or alphabetic orders.