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Table 2 Antimicrobial resistance panels of the tested pathogens, including the antibiotics tested. The microdilution method was used, with a minimum inhibitory concentration provided in µg/mL

From: Helcococcus ovis associated with septic arthritis and bursitis in calves – a case report

Antibiotic Substance Helcococcus ovis Trueperella pyogenes
Amoxicillin / Clavulanic acid S ≤ 2 / 1  S ≤ 2 / 1
Ampicillin S ≤ 0.25  S ≤ 0.25
Ceftiofur S ≤ 0.125  S ≤ 0.125
Colistin R > 2 R > 2
Cephalothin S ≤ 1  S ≤ 1
Enrofloxacin S = 0.25  S = 0.25
Erythromycin S ≤ 0.125  S ≤ 0.125
Florfenicol S ≤ 1  S ≤ 1
Gentamicin I = 8  S = 2
Penicillin G S ≤ 0.0625  S ≤ 0.0625
Spectinomycin S ≤ 4  S ≤ 4
Trimethoprim / Sulfamethoxazol S ≤ 0.25 / 4.75  S ≤ 0.25 / 4.75
Tetracyclin S ≤ 0.125  S ≤ 0.125
Tiamulin S ≤ 0.25  S ≤ 0.25
Tilmicosin S ≤ 0.5  S ≤ 0.5
Tulathromycin S ≤ 1  S ≤ 1