Skip to main content

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