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Table 3 Antimicrobial sensitivity test of E. coli isolates (n = 63) sampled from meat of different livestock species

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

  E AMP GN S TE Sxt C
Beef (n = 4)
 R (%) 0 2 (50.0) 0 2 (50.0) 2 (50.0) 1 (25.0) 1 (25.0)
 I (%) 2 (50.0) 1 (25.0) 0 1 (25.0) 0 0 1 (25.0)
 S (%) 2 (50.0) 1 (25.0) 4 (100) 1 (25.0) 2 (50.0) 3 (75) 2 (50.0)
Mutton (n = 17)
 R (%) 9 (53.0) 11 (64.7) 2 (11.8) 7 (41.2) 4 (23.5) 3 (17.6) 2 (11.8)
 I (%) 7 (41.2) 3 (17.6) 1 (5.9) 3 (17.6) 2 (11.8) 3 (17.6) 3 (17.6)
 S (%) 1 (5.9) 3 (17.6) 14 (82.3) 7 (41.2) 11 (64.7) 11 (64.7) 12 (70.6)
Chevon (n = 15)
 R (%) 7 (46.7) 13 (86.7) 1 (6.7) 1 (6.7) 3 (20) 1 (6.7) 1 (6.7)
 I (%) 8 (53.3) 0 1 (6.7) 5 (33.3) 2 (13.3) 2 (13.3) 0
 S (%) 0 2 (13.3) 13 (86.7) 9 (60) 10 (66.7) 12 (80.0) 14 (93.3)
Chicken (n = 27)
 R (%) 11 (40.7) 19 (70.4) 0 13 (48.1) 21 (77.8) 17 (63.0) 11 (40.7)
 I (%) 10 (37.0) 3 (11.1) 7 (26.0) 6 (22.2) 4 (14.8) 3 (11.0) 5 (18.5)
 S (%) 6 (22.2) 5 (18.5) 20 (74.0) 8 (29.6) 2 (7.4) 7 (26.0) 11(40.7)
Overall
 R (%) 27 (42.9) 45 (71.4) 3 (4.8) 23 (36.5) 30 (47.6) 22 (34.9) 15 (23.8)
 I (%) 27 (42.9) 7 (11.1) 9 (14.3) 15 (23.8) 8 (12.7) 8 (12.7) 9 (14.3)
 S (%) 9 (14.3) 11 (17.5) 51 (81.0) 25 (39.7) 25 (39.7) 33 (52.4) 39 (61.9)
  1. S sensitive, I intermediate, R resistant, E erythromycin, AMP ampicillin, GN gentamycin, S streptomycin, TE tetracycline, Sxt sulfamethoxazole–trimethoprim, C chloramphenicol
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