Table 3 MIC ranges, MIC₅₀ and MIC₉₀ values for 48 Mycoplasma hyorhinis isolates. Results are shown in μg/ml. ¹Only 19 isolates were tested against valnemulin. ²Only 8 isolates were tested against valnemulin. ³A total of 27 isolates were tested against valnemulin

Spain (25 isolates)¹

MIC range

0.125–0.5

0.25–2

0.016–0.06

0.125–32

0.06–0.5

0.008–1

MIC₅₀

0.25

1

0.016

0.5

0.125

0.016

MIC₉₀

0.5

1

0.03

1

0.25

0.125

Italy (13 isolates)

MIC range

0.25–8

0.5–8

0.016–0.5

0.125- > 64

0.125–8

–

MIC₅₀

2

0.5

0.125

4

0.25

–

MIC₉₀

4

4

0.5

32

8

–

Portugal (10 isolates)²

MIC range

0.125–2

0.5–2

0.016–0.25

0.125–16

0.06–2

0.008–0.03

MIC₅₀

0.125

1

0.016

0.5

0.125

0.016

MIC₉₀

1

2

0.125

8

2

0.016

Total (48 isolates)³

MIC range

0.125–8

0.25–8

0.016–0.5

0.125- > 64

0.06–8

0.008–1

MIC₅₀

0.25

0.5

0.016

0.5

0.125

0.016

MIC₉₀

2

2

0.125

16

0.5

0.03

M. hyorhinis strain BTS-7

MIC

0.06

0.25

0.016

0.125

0.03

0.016