Drug Withdrawal and Milk Discard Times of Aminoglycosides

Route	Approximate Withdrawal Time (days)
Oral	20-30 (3 for neonatal pigs)
Parenteral	100-200 (40 for neonatal pigs [often not approved for food animals])
Udder infusion	2-3a (often not approved for food animals)

^a Milk discard time