Table 3.
ESBL and AmpC genes and their location in wild birds from The Netherlands
| ESBL/AmpC gene(s) | Location(s) of ESBL gene(s) | Bird species (no. of isolates) | Total no. of isolates |
|---|---|---|---|
| blaCTX-M-1 | IncI1 | European herring gull (3), mallard (3), black-headed gull (1), Egyptian goose (1), feral pigeon (1), grey heron (1), mute swan (1), northern gannet (1), northern lapwing (1) | 13 |
| blaCTX-M-1 | IncF | Gadwall (1) | 1 |
| blaCTX-M-14 | Chromosomal | Common redshank (1) | 1 |
| blaCTX-M-14 | IncB/O | Common redshank (1) | 1 |
| blaCTX-M-14 | IncF | Lesser black-backed gull (2), mute swan (2), European herring gull (1), tufted duck (1) | 6 |
| blaCTX-M-15 | IncF | Black-headed gull (2), northern gannet (1) | 3 |
| blaCTX-M-15 | IncHI2 | Black-headed gull (1) | 1 |
| blaCTX-M-15 | IncHI2 + IncF | European herring gull (1) | 1 |
| blaCTX-M-15 | IncI1 | Common gull (1), European herring gull (1), lesser black-backed gull (1), mallard (1) | 4 |
| blaCTX-M-15 | IncI2 | Lesser black-backed gull (1) | 1 |
| blaCTX-M-15 | None typeable | Mallard (2), European herring gull (1) | 3 |
| blaCTX-M-3 | Chromosomal | Common goldeneye (1) | 1 |
| blaCTX-M-3 | IncF | Common guillemot (3), Egyptian Goose (1), European herring gull (1), mallard (1) | 6 |
| blaCTX-M-3 | IncI1 | Lesser black-backed gull (1) | 1 |
| blaCTX-M-32 | Chromosomal | Common redshank (1), mallard (1) | 2 |
| blaCTX-M-32 | IncF | Black swan (1) | 1 |
| blaSHV-12 | IncF | Black-headed gull (1) | 1 |
| blaSHV-12 | IncI1 | Grey heron (1) | 1 |
| blaSHV-12 | IncN | Barnacle goose (1) | 1 |
| blaSHV-12, blaTEM-52c | IncI1 | European herring gull (1) | 1 |
| blaTEM-52c | IncI1 | Ruff (1) | 1 |
| blaCMY-2 | Chromosomal | European herring gull (1) | 1 |
| blaCMY-2 | IncB/O | Common redshank (1) | 1 |
| blaCMY-2 | IncI1 | European herring gull (3), great black-backed gull (2), black-headed gull (1), domesticated duck (1), herring gull (1), lesser black-backed gull (1), mute swan (1) | 10 |
| blaCMY-2 | IncK | Mallard (1), common redshank (1) | 2 |