| All S. Enteritidis isolates (n = 63) | S. Enteritidis isolates from poultry samples (n = 52) | S. Enteritidis isolates from egg samples (n = 11) |
---|---|---|---|
Virulence genes | |||
 invA | 63 (100) | 52 (100) | 11 (100) |
 pagC | 47 (74.6) | 43 (82.7) | 4 (36.4) |
 cdtB | 4 (6.3) | 4 (7.7) | 0 (0.0) |
 msgA | 63 (100) | 52 (100) | 11 (100) |
 spaN | 49 (77.7) | 41 (78.8) | 8 (72.7) |
 tolC | 49 (77.7) | 41 (78.8) | 8 (72.7) |
lpfC | 48 (76.1) | 40 (76.9) | 8 (72.7) |
Virulence plasmid-associated gene | |||
 spvC | 32 (50.8) | 25 (48.1) | 7 (63.6) |
Antibiotic resistance | |||
 Nalidixic acid | 55 (87.3) | 46 (88.5) | 9 (81.8) |
 Trimethoprim-sulfamethoxazole | 13 (20.6) | 12 (23.1) | 1 (9.1) |
vCephalothin | 12 (19.0) | 9 (17.3) | 3 (27.3) |
 Ceftazidime | 7 (11.1) | 5 (9.6) | 2 (18.2) |
 Colistin sulphate | 15 (23.8) | 13 (25.0) | 2 (18.2) |
 Kanamycin | 16 (25.4) | 14 (26.9) | 2 (18.2) |