Antimicrobial drugs for U.S. livestock sales share by route of administration 2023

Based on medically important antimicrobial drugs. Antimicrobials which were reported in International Units (IU) (e.g., Penicillins) were converted to kg. Antimicrobial class includes drugs of different molecular weights, with some drugs reported in different salt forms.
Percentage points exceeding 100 percent are probably due to rounding.
Feed/injection/topical: includes antimicrobial drug applications which are approved and labeled for use in both food-producing animals (e.g., cattle and swine) and nonfood-producing animals (e.g., dogs and cats).
Oral: orally administered, excluding administration by means of feed and water.
Water: includes when the drug is administered either through drinking water, as a drench, through the immersion of fish, or as a syrup or dusting for honey bees.