| Microorganism |
MIC50
(μg/ml) |
MIC90
(μg/ml) |
Range
(μg/ml) |
Antimicrobial |
Reference |
| Haemophilus parasuis (Spain) |
>256 |
>256 |
128 － 512 |
Sulphadimethoxine (Sulfadimethoxine)  |
768 |
| Haemophilus parasuis (Spain) |
>256 |
>256 |
128 － 512 |
Sulphathiazole (sulfathiazole) |
768 |
| Haemophilus parasuis (UK) |
0.12 |
0.25 |
0.12 － 1 |
Enrofloxacin |
768 |
| Haemophilus parasuis (UK) |
0.12 |
0.5 |
0.12 － 2 |
Penicillin (Benzylpenicillin, Penicillin G, Bicillin C-R/L-A, Pfizerpen, Wycellin) |
768 |
| Haemophilus parasuis (UK) |
0.25 |
1 |
0.25 － 4 |
Florfenicol |
768 |
| Haemophilus parasuis (UK) |
0.25 |
2 |
0.25 － 4 |
Ampicillin (Omnipen) |
768 |
| Haemophilus parasuis (UK) |
0.25 |
2 |
0.25 － 4 |
Clindamycin (Cleocin) |
768 |
| Haemophilus parasuis (UK) |
0.5 |
1 |
0.5 － 2 |
Ceftiofur |
768 |
| Haemophilus parasuis (UK) |
0.5 |
2 |
0.25 － 2 |
Erythromycin (E-mycin, Ery-tab, Benzamycin) |
768 |
| Haemophilus parasuis (UK) |
0.5 |
4 |
0.25 － 16 |
Oxytetracycline (Terramycin, Oxitetracycline) |
768 |
| Haemophilus parasuis (UK) |
1 |
8 |
1 － 16 |
Gentamicin (Gentamycin, Garamycin) |
768 |
| Haemophilus parasuis (UK) |
2.5 |
10 |
2.5 － 40 |
Tylosine tartrate (Tylosin tartrate) |
768 |
| Haemophilus parasuis (UK) |
4 |
8 |
4 － 8 |
Tilmicosin |
768 |
| Haemophilus parasuis (UK) |
4 |
16 |
4 － 32 |
Tiamulin (Tiamuline, Tiamutilin) |
768 |
| Haemophilus parasuis (UK) |
4 |
64 |
8 － 128 |
Spectinomycin (Trobicin) |
768 |
| Haemophilus parasuis (UK) |
>8 |
>32 |
4 － 64 |
Apramycin |
768 |
| Haemophilus parasuis (UK) |
>16 |
>32 |
4 － 64 |
Neomycin (Mycifradin, Neo-Fradin) |
768 |
| Haemophilus parasuis (UK) |
128 |
256 |
32 － 512 |
Sulphachlorpiridazine (Sulfachloropyridazine) |
768 |
| Haemophilus parasuis (UK) |
128 |
256 |
32 － 512 |
Sulphadimethoxine (Sulfadimethoxine) |
768 |
| Haemophilus parasuis (UK) |
128 |
256 |
32 － 512 |
Sulphathiazole (sulfathiazole) |
768 |