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Table 4 Origin and antibiotic resistance of the 414 MR-CNS strains.

From: Prevalence and characteristics of methicillin-resistant coagulase-negative staphylococci from livestock, chicken carcasses, bulk tank milk, minced meat, and contact persons

  

Percentage of resistant strains

Origin

No. of strains

Oxa

Pen

Amp

Cef

Ery

Tet

Cli

Cip

SxT

Gen

Rif

Van

Pigs

52

100

75.0

76.9

53.8

26.9

44.2

25.0

3.8

15.4

19.2

0

1.9

Cows

50

100

94.0

96.0

90.0

54.0

58.0

58.0

44.0

4.0

8.0

4.0

0

Calves

51

100

96.1

96.1

70.6

88.2

92.2

86.3

62.7

15.7

17.6

0

0

Chicken

38

100

78.9

86.8

68.4

18.4

18.4

18.4

5.3

2.6

2.6

0

0

Bulk tank milk

50

100

76.0

78.0

42.0

10.0

8.0

4.0

6.0

0

2.0

0

0

Minced meat

34

100

73.5

70.6

35.3

8.8

11.8

5.9

8.8

0

2.9

0

0

Veterinarians

50

96.0

94.0

90.0

78.0

80.0

84.0

58.0

64.0

64.0

26.0

0

0

Pig farmers

50

96.0

100

98.0

74.0

72.0

76.0

56.0

62.0

40.0

38.0

0

0

Sh employees

39

87.2

74.4

66.7

38.5

48.7

12.8

23.1

25.6

12.8

5.1

2.6

0

Total

414

97.7

84.7

84.3

61.2

45.2

45.0

37.2

31.4

17.2

13.5

0.7

0.2

  1. Amp: ampicillin; Cef: cefoxitin; Cip: ciprofloxacin; Cli: clindamycin; Ery: erythromycin; Gen: gentamicin; Oxa: oxacillin; Pen: penicillin; Rif: rifampin; Sh: slaughterhouse; SxT: sulphamethoxazole/trimethoprim; Tet: tetracycline; Van: vancomycin.