|
Year
|
No. of shipments
|
No. of positive shipments
|
No. of positive shipments per bla-gene group
|
|---|
|
CIT
|
CTX-M-1
|
SHV
|
CTX-M-1 + CIT
|
CIT + SHV
|
CTX-M-1 + SHV
|
NDa
|
|---|
|
2010
|
5
|
3
|
3
| | | | | | |
|
2011
|
8
|
8
|
8
| | | | | | |
|
2012
|
9
|
5
|
3
| | | | | |
2
|
|
2013
|
10
|
4
|
1
|
2
| | |
1
| | |
|
2014
|
12
|
5
|
3
|
1
| | | |
1
| |
|
2015
|
16
|
13
|
9
|
3
| |
1
| | | |
|
2016
|
16
|
4
|
2
|
1
|
1
| | | | |
|
2017
|
15
|
1
|
1
| | | | | | |
|
2018
|
16
|
0
| | | | | | | |
|
2019
|
15
|
0
| | | | | | | |
- aNot determined: The isolates from these shipments where lost and not available for confirmation. The occurrence of pAmpC-producing E. coli carrying genes belonging to the blaCMY-group in the birds from these shipments has been confirmed in subsequent sampling with boot swabs in these flocks (data not shown)
