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Table 4 Antibiotic susceptibility of Aeromonas spp. and P. shigelloides isolated from fish in Uganda

From: Occurrence and antibiotic susceptibility of fish bacteria isolated from Oreochromis niloticus (Nile tilapia) and Clarias gariepinus (African catfish) in Uganda

Antibiotic Disc conc. (μg) Percentage of susceptible isolates
Aeromonas spp. P. shigelloides
Cages (n = 16) Ponds (n = 48) Wild (n = 18) Ponds (n = 45) Cages (n = 18) Wild (n = 10)
SXT 25 100 100 100 100 100 100
PEN 10 0 0 0 0 0 0
TET 30 100 100 100 60(11i,29r) 100 100
GEN 10 100 100 100 100 100 100
STR 10 100 100 100 18 (55i,27r) 100 100
IPM 10 100 100 100
ERY 15 69(23i,8r) 50(50i) 0 (100i) 0(100i) 61(39i) 100
AMP 10 0 0 0 0(71i,29r) 100i 70(30i)
CXT 30 0 93 100 100 100 100
CTR 2 100 100 100 100 100 100
CLR 30 100 100 100 100 100 100
AZT 30 100 100 100 100 100 100
NAL 30 100 100 100 100 100 100
ENF 10 100 100 100 100 100 100
OXA 1 0 0 0
  1. SXT Sulfamethoxazole-Trimethoprim, PEN Penicillin, TET Tetracycline, GEN Gentamycin, STR Streptomycin, IPM Imipenem, ERY Erythromycin, AMP Ampicillin, CTX Ceftaxime, CTR Ceftriaxone, CLR Chloramphenicol, AZT Aztreonam, NAL Nalidixic acid, ENF Enrofloxacin, OXA Oxacillin, i Intermediate, r Resistant, n number of isolates tested from the different production systems and ‘-‘means no isolate tested