From: Methodological comparisons for antimicrobial resistance surveillance in feedlot cattle
Antimicrobial | Susceptible | Intermediate | Resistant | Reference |
---|---|---|---|---|
Amikacin | ≤16 | 32 | ≥64 | CLSI M100-S22, 2012 |
Ampicillin | ≤8 | 16 | ≥32 | CLSI M100-S22, 2012 |
Amoxicillin-Clavulanate | ≤8/4 | 16/8 | ≥32/16 | CLSI M100-S22, 2012 |
Cefoxitin | ≤8 | 16 | ≥32 | CLSI M100-S22, 2012 |
Ceftiofur | ≤2 | 4 | ≥8 | CLSI M31-A4, 2013 |
Ceftriaxone | ≤1 | 2 | ≥4 | CLSI M100-S22, 2012 |
Chloramphenicol | ≤8 | 16 | ≥32 | CLSI M100-S22, 2012 |
Ciprofloxacin | ≤1 | 2 | ≥4 | CLSI M100-S21, 2011 |
Gentamicin | ≤4 | 8 | ≥16 | CLSI M100-S22, 2012 |
Kanamycin | ≤16 | 32 | ≥64 | CLSI M100-S22, 2012 |
Nalidixic Acid | ≤16 | - | ≥32 | CLSI M100-S22, 2012 |
Streptomycin | ≤32 | - | ≥64 | NARMS Executive Report 2009 |
Sulfisoxazole | ≤256 | - | ≥512 | CLSI M100-S22, 2012 |
Tetracycline | ≤4 | 8 | ≥16 | CLSI M100-S22, 2012 |
Trimethoprim-Sulfamethoxazole | ≤2/38 | - | ≥4/76 | CLSI M100-S22, 2012 |