| Resistant isolates | Animal | Antibiotics | Resistance genes |
| E. casseliflavus | Anas crecca | QD | vatD, vatE, vgA | Spatula clypeata | QD | — | Spatula clypeata | QD LNZ TEIC | vatD, vgA, vgbB | Vanellus vanellus | QD | vatD, msrC | Vanellus vanellus | QD | vgA, msrC |
| E. durans | Anas crecca | QD | vatE, msrC |
| E. faecalis | Anas crecca | DAP | — |
| E. faecium | Anas crecca | QD | — | Anas crecca | QD | vatE, msrC | Anas crecca | QD | vatD, msrC | Vanellus vanellus | QD | vatE, vgA, msrC |
| E. gallinarum | Anas crecca | QD | — | Anas crecca | QD | vatD, vgA | Spatula clypeata | QD | — | Spatula clypeata | QD | ermB, msrC, vatE, vgbA | Anser anser | QD | vgbB | Anas crecca | QD | msrC, vatD, vgA | Vanellus vanellus | QD | msrC, vatD, vgA | Vanellus vanellus | QD | vatD, msrC |
| E. gallinarum | Mareca strepera | QD | ermB, msrC, vgaB | Mareca strepera | QD | ermB, vgaB | Anas platyrhynchos | QD | ermB, vatE, vgA | Anas platyrhynchos | QD | ermB, vatE, vgA, vgaB | Anas platyrhynchos | AMP LNZ QD TEIC | msrC, optrA, vanC1/C2, vanM, vanG, vgaB |
| E. hirae | Spatula clypeata | AMP LNZ QD TEIC VAN | optrA, vanM, vgbB |
| Staph. lentus | Spatula clypeata | CLIN DAP LNZ OX RD STX TEIC TET VAN | InuA, poxtA, tetK, vanD | Spatula clypeata | CLIN OX STX | sul2 |
| Strep. thoraltensis | Spatula clypeata | BEN CLIN CTX ERY LEV TET | gyrA, InuA, mefA/E |
| Strep. alactolyticus | Anas crecca | BEN CTX CRO CLIN ERY LEV MXF VAN | ermB, gyrA, InuA, mefA/E |
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AMP, ampicillin; BEN, benzypenicillin; CLIN, clindamycin; CTX, cefotaxime; CRO, ceftriaxone; DAP, daptomycin; ERY, erythromycin; LEV, levofloxacin; LNZ, linezolid; MXF, moxifloxacine; OX, oxacillin; QD, quinupristin/dalfopristin; RD, rifampicin; SXT, trimethoprim/sulfamethoxazole; TEIC, teicoplanin; TET, tetracycline; VAN, vancomycin; and CAMP test positive isolates by Vitek 2 system (Biomerieux, France). |