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Table 1 Antibiotic resistance patterns for various serovars of H2S-negative Salmonella isolates

From: Antibiotic resistance and molecular characterization of the hydrogen sulfide-negative phenotype among diverse Salmonella serovars in China

Antimicrobial drugs Resistant isolates, % (n)
Total (n = 46) Gallinarum (n = 15) Typhimurium (n = 8) Choleraesuis (n = 6) Meleagridis (n = 2) Derby (n = 1) Give (n = 1)
Cefazidime 0 0 0 0 0 0 0
Ceftriaxone 0 0 0 0 0 0 0
Cefepime 0 0 0 0 0 0 0
Cefoperazone 0 0 0 0 0 0 0
Imipenem 0 0 0 0 0 0 0
Nitrofurantoin 2 (1) 0 13 (1) 0 0 0 0
Piperacillin 4 (2) 0 13 (1) 17 (1) 0 0 0
Ticarcillin 46 (21) 80 (12) 50 (4) 67 (4) 0 0 100 (1)
Ticarcillin-clavulanic acid 7 (3) 6 (1) 25 (2) 0 0 0 0
Ampicillin 46 (21) 80 (12) 50 (4) 67 (4) 0 0 100 (1)
Tetracycline 35 (16) 13 (2) 63 (5) 83 (5) 100 (2) 100 (1) 100 (1)
Cefazolin 2 (1) 7 (1) 0 0 0 0 0
Cefoxitin   0 0 0 0 0 0
Aztreonam   0 0 0 0 0 0
Chloramphenicol 15 (7) 0 25 (2) 50 (3) 0 100 (1) 100 (1)
Tobramycin 2 (1) 0 0 0 0 0 100 (1)
Gentamicin 13 (6) 0 25 (2) 50 (3) 0 0 100 (1)
Amikacin 0 0 0 0 0 0 0
Trimethoprim-sulfamethoxazole 24 (11) 6 (1) 25 (2) 67 (4) 100 (2) 100 (1) 100 (1)
Norfloxacin 4 (2) 0 25 (2) 0 0 0 0
Levofloxacin 4 (2) 0 25 (2) 0 0 0 0