Withdrawal Interval (WDI) Recommendations


Extra Label Use of this drug is permissible under AMDUCA only if such use is by or on the lawful written or oral order of a licensed veterinarian within the context of a valid veterinarian-client-patient relationship.

Below are the WDI recommendations for the various route and dosage combination(s) for extra-label administration of in calves.
Drug Route Dosage Frequency Meat WDI
procaine penicillin g PO (Oral) 3 mg of PPG/kg in milk (approx 14,000 ppb) not applicable 2 days
procaine penicillin g
calves fed colostrum from treated cows
procaine penicillin g Reference(s): Extralabel use of penicillin in food animals

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Photo of a calf from USDA