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Table 4 Antimicrobial resistance pattern of E. coli isolates from meat samples of different livestock species

From: Molecular determination of antimicrobial resistance in Escherichia coli isolated from raw meat in Addis Ababa and Bishoftu, Ethiopia

Number of antibiotic classes (number of isolates; %) AMR pattern Number of isolates (%)
No resistance 3 (4.7)
 One (n = 13; 20.6%) AMP 10 (15.9)
E 1 (1.6)
TE 1 (1.6)
C 1 (1.6)
 Two (n = 19; 30.2%) AMP*C 1 (1.6)
AMP*S 1 (1.6)
AMP*Sxt 1 (1.6)
AMP*TE 4 (6.3)
E*AMP 6 (9.5)
E*S 1 (1.6)
E*TE 3 (4.8)
TE*Sxt 1 (1.6)
 Three (n = 11; 17.5%) AMP*Sxt*C 1 (1.6)
AMP*TE*C 1 (1.6)
AMP*TE*Sxt 3 (4.8)
E*AMP*S 1 (1.6)
E*AMP*Sxt 1 (1.6)
S*Sxt*C 1 (1.6)
S*TE*Sxt 3 (4.8)
 Four (n = 9; 14.3%) AMP*S*TE*C 1 (1.6)
AMP*S*TE*Sxt 1 (1.6)
E*AMP*GN*S 3 (4.8)
E*AMP*S*TE 2 (3.4)
E*AMP*Sxt*C 1 (1.6)
E*AMP*TE*C 1 (1.6)
 Five (n = 7; 11.1%) AMP*S*TE*Sxt*C 2 (3.4)
E*AMP*S*TE*Sxt 2 (3.4)
E*S*TE*Sxt*C 3 (4.8)
 Six (n = 2; 3.2%) E*AMP*S*TE*Sxt*C 2 (3.4)
  1. E erythromycin, AMP ampicillin, GN gentamicin, S streptomycin, TE tetracycline, Sxt sulfamethoxazole–trimethoprim, C chloramphenicol
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