Table 2 Antimicrobial susceptibility of MRSA from free-range cows.

From: Characterization of resistance and virulence factors in livestock-associated methicillin-resistant Staphylococcus aureus

Antimicrobial class

Antibiotics

Nasal isolates (n = 38)

Rectal isolates (n = 38)

Total isolates (n = 76)

R

I

S

R

I

S

R

I

S

Penicillins

PEN

38 (100)

0 (0)

0 (0)

38 (100)

0 (0)

0 (0)

76 (100)

0 (0)

0 (0)

PTZ

10 (26.3)

17 (44.7)

11 (28.9)

17 (44.7)

19 (50)

2 (5.3)

27 (35.5)

36 (47.4)

13 (17.1)

Streptogramins

QDA

0 (0)

0 (0)

38 (100)

0 (0)

0 (0)

38 (100)

0 (0)

0 (0)

76 (100)

Carbapenems

IMI

3 (7.9)

21 (55.3)

14 (36.8)

5 (13.2)

23 (60.5)

10 (26.3)

8 (10.5)

44 (57.9)

24 (31.6)

ETP

21 (55.3)

11 (28.9)

6 (15.8)

30 (78.9)

8 (21.1)

0 (0)

51 (67.1)

19 (25)

6 (7.9)

MEM

14 (36.8)

19 (50)

5 (13.2)

21 (55.3)

13 (34.2)

4 (10.5)

35 (46.1)

32 (42.1)

9 (11.8)

Lipoglycopeptides

ORI

0 (0)

0 (0)

38 (100)

0 (0)

0 (0)

38 (100)

0 (0)

0 (0)

76 (100)

 

TEI

0 (0)

0 (0)

38 (100)

0 (0)

0 (0)

38 (100)

0 (0)

0 (0)

76 (100)

Aminoglycosides

KAN

5 (13.2)

3 (7.9)

30 (78.9)

11 (28.9)

8 (21.1)

19 (50)

16 (21.1)

11 (14.5)

49 (64.5)

GEN

7 (18.4)

6 (15.8)

25 (65.8)

13 (34.2)

11 (28.9)

14 (36.8)

20 (26.3)

17 (22.4)

39 (51.3)

Tetracyclines

TET

16 (42.1)

12 (31.6)

10 (26.3)

20 (52.6)

17 (44.7)

1 (2.6)

36 (47.4)

29 (38.2)

11 (14.5)

Lincosamide

CLI

19 (50)

18 (47.4)

1 (2.6)

24 (63.2)

13 (34.2)

1 (2.6)

43 (56.6)

31 (40.8)

2 (2.6)

Macrolides

ERY

10 (26.3)

17 (44.7)

11 (28.9)

17 (44.7)

18 (47.4)

3 (7.9)

27 (35.5)

35 (46.1)

14 (18.4)

Lipopeptides

DAP

0 (0)

0 (0)

38 (100)

0 (0)

0 (0)

38 (100)

0 (0)

0 (0)

76 (100)

Fluoroquinolone

CIP

10 (26.3)

15 (39.5)

13 (34.2)

15 (39.5)

19 (50)

4 (10.5)

25 (32.9)

34 (44.7)

17 (22.4)

Oxazolidinones

LIZ

0 (0)

9 (23.7)

29 (76.3)

0 (0)

5 (13.2)

33 (86.8)

0 (0)

14 (18.4)

62 (81.6)

 

TED

0 (0)

0 (0)

38 (100)

0 (0)

0 (0)

38 (100)

0 (0)

0 (0)

76 (100)

Cephalosporins

CRO

38 (100)

0 (0)

0 (0)

38 (100)

0 (0)

0 (0)

76 (100)

0 (0)

0 (0)

CTX

38 (100)

0 (0)

0 (0)

38 (100)

0 (0)

0 (0)

76 (100)

0 (0)

0 (0)

Glycopeptides

VAN

9 (23.7)

4 (10.5)

25 (65.8)

17 (44.7)

7 (18.4)

14 (36.8)

26 (34.2)

11 (14.5)

39 (51.3)

  1. PEN Penicillin G, PTZ Piperacillin, IMI Imipenem, ETP Ertapenem, MEM Meropenem, KAN Kanamycin, GEN Gentamicin, TET Tetracycline, CLI Clindamycin, ERY Erythromycin, CIP Ciprofloxacin, CRO Ceftaroline, CTX Cefotaxime, VAN Vancomycin, LIZ Linezolid, QDA Quinupristin-dalfopristin, ORI Oritavancin, TEI Teicoplanin, DAP Daptomycin, and TED Tedizolid. Values in parentheses represent percentages (%).
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