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Table 2 Antibiotic resistance rates and multidrug resistance profiles in Escherichia coli and Salmonella enterica isolates

From: Intimin (eae) and virulence membrane protein pagC genes are associated with biofilm formation and multidrug resistance in Escherichia coli and Salmonella enterica isolates from calves with diarrhea

Antibiotics

Escherichia coli

n : 64

Salmonella enterica

n: 41

Resistant

Intermediate

Susceptible

Resistant

Intermediate

Susceptible

n (%)

n (%)

Gentamicin

7 (10.9)

0 (0.0)

57 (89.1)

2 (4.9)

0 (0.0)

39 (95.1)

Tobramycin

3 (4.7)

0 (0.0)

61 (95.3)

0 (0.0)

0 (0.0)

41 (100.0)

Imipenem

0 (0.0)

0 (0.0)

64 (100.0)

0 (0.0)

0 (0.0)

41 (100.0)

Cefazolin

64 (100.0)

0 (0.0)

0 (0.0)

41 (100.0)

0 (0.0)

0 (0.0)

Ceftazidime

61 (95.3)

0 (0.0)

3 (4.7)

41 (100.0)

0 (0.0)

0 (0.0)

Ceftriaxone

61 (95.3)

0 (0.0)

3 (4.7)

40 (97.6)

0 (0.0)

1 (2.4)

Cefepime

59 (92.2)

0 (0.0)

5 (7.8)

40 (97.6)

0 (0.0)

1 (2.4)

Ciprofloxacin

0 (0.0)

0 (0.0)

64 (100.0)

0 (0.0)

0 (0.0)

41 (100.0)

Ampicillin

64 (100.0)

0 (0.0)

0 (0.0)

41 (100.0)

0 (0.0)

0 (0.0)

Multidrug resistance

52 (81.3%)

37 (90.2)