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Table 3 MIC values (µg/mL) of six antimicrobial agents obtained against the 10 B. hyodysenteriae isolates tested

From: Combined in-vitro and on-farm evaluation of commercial disinfectants used against Brachyspira hyodysenteriae

Antimicrobial agent and concentration range (μg/mL)

MIC (µg/mL)

Isolate

IT-1

IT-18

IT-39

IT-40

IT-45

IT-48

IT-67

IT-68

IT-83

IT-85

Tiamulin

(0.063–8)

8

0.125

1

 > 8

 > 8

4

 > 8

1

0.125

0.5

Valnemulin

(0.031–4)

 > 4

 < 0.031

0.5

4

0.25

4

 > 4

1

 < 0.031

0.5

Doxycycline

(0.125–16)

1

1

0.25

2

16

1

16

2

1

0.5

Tylvalosin

(0.25–32)

 > 32

4

0.5

 > 32

1

2

16

8

8

1

Lincomycin

(0.5–64)

32

32

32

 > 64

 > 64

 > 64

32

32

32

16

Tylosin

(2–128)

 > 128

 > 128

4

 > 128

 > 128

 > 128

8

 > 128

 > 128

 > 128