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Table 1 Antimicrobial sensitivity testing using a microdilution method to determine the minimal inhibitory concentration (MIC), except in additional oxacillin* testing, in which the disk diffusion method was used; all the tested Staphylococcus pseudintermedius isolates showed the same pattern of resistance

From: Staphylococcus pseudintermedius septicemia in puppies after elective cesarean section: confirmed transmission via dam’s milk

Antimicrobial

Results and interpretation

 

MIC value (μg/ml)

S/Ra

Cefoxitin, FOX

0.5

S

Chloramphenicol, CHL

 

64

R

Ciprofloxacin, CIP

0.25

S

Clindamycin, CLN

>

4

R

Erythromycin, ERY

>

8

R

Fusidic acid, FUS

0.5

S

Gentamicin, GEN

1

S

Kanamycin, KAN

 

64

R

Linezolid, LZD

0.1

S

Mupirocin, MUP

0.5

S

Penicillin, PEN

0.12

S

Synercid, SYN

0.5

S

Rifampicin, RIF

0.016

S

Streptomycin, STR

>

32

R

Sulfamethoxazole, SMX

64

S

Tetracycline, TET

0.5

S

Tiamulin, TIA

0.5

S

Trimethoprim, TMP

2

S

Vancomycin, VAN

1

S

Oxacillin*, OXA

  

S

  1. aS sensitive, R resistant
  2. *antimicrobial sensitivity testing for oxacillin was performed by the disk diffusion method (not a microdilution method)