|
XbaI-PFGE types of S. Infantis isolates on 478 cattle farms. |
|||||
| PFGE type* |
|||||
| Year |
type 1 |
type 2 |
type 3 |
other types ** |
Total |
|
|
|||||
| 1985 |
9 |
1 |
10 |
||
| 1986 |
9 |
1 |
2 |
12 |
|
| 1987 |
5 |
1 |
3 |
9 |
|
| 1992 |
2 |
1 |
1 |
4 |
|
| 1993 |
11 |
3 |
14 |
||
| 1994 |
15 |
6 |
7 |
28 |
|
| 1995 |
179 |
12 |
11 |
41 |
243 |
| 1996 |
70 |
12 |
7 |
27 |
116 |
| 1997 |
11 |
2 |
2 |
3 |
18 |
| 1998 |
13 |
2 |
2 |
5 |
22 |
| 1999 |
7 |
2 |
1 |
10 |
|
| 2000 |
2 |
1 |
3 |
||
| 2001 |
1 |
1 |
2 |
||
| 2002 |
1 |
1 |
|||
| 2003 |
1 |
1*** |
2 |
||
|
|
|||||
| 335 |
39 |
22 |
98 |
494 |
|
|
*Only bands larger than 125 kb of the XbaI profile were regarded. Generally, one PFGE type per farm per year was included. If a farm had several types in the same year, all profiles were included. **48 different PFGE types. ***A new type not seen previously. Resembles PFGE type 167 (Fig. 2), with two additional bands of 125 and 140 kb. | |||||
Lindqvist and Pelkonen Acta Veterinaria Scandinavica 2007 49:15 doi:10.1186/1751-0147-49-15 |
|||||