| Antibiotics | Methods |
|---|---|
| Chloramphenicol | HPLC or LC/MS |
| Crystal Violet, Leucocrystal Violet, Leucobrilliant Green & Brilliant Green | FDA |
| Erythromycin | USP or Bioassay |
| Fluoroquinolones (ciprofloxacin, enrofloxacin, sarafloxacin & difloxacin) | FDA |
| Malachite Green & Leucomalachite Green | FDA |
| Natamycin | USP or Bioassay |
| Neomycin | USP or Bioassay |
| Nitrofurans & metabolites (furazolidone, furaltadone, nitrofurazone & nitrofirantion or AOZ, AMOZ, SC & AH) | FDA |
| Penicillin | USP or Bioassay |
| Streptomycin | USP or Bioassay |
| Tetracyclin | USP or Bioassay |