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Withdrawal Interval (WDI) Recommendations

for calves, taken from the FARAD Digests

WARNING!

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
florfenicol SC 40 mg/kg single dose 90 days
florfenicol Reference(s): Considerations for extralabel drug use in calves
flunixin meglumine IV 1.1 to 2.2 mg/kg per label at least 14 days
flunixin meglumine
Warnings:
digest just states per label dosage
flunixin meglumine Reference(s): Considerations for extralabel drug use in calves
meloxicam PO 0.5 to 1 mg/kg single dose 21 days
meloxicam Reference(s): Considerations for extralabel drug use in calves
meloxicam
meloxicam PO up to 1 mg/kg multiple dose 30 days
meloxicam Reference(s): Considerations for extralabel drug use in calves
procaine penicillin g PO 3 mg of PPG/kg in milk (approx 14,000 ppb) n.a. 2 days
procaine penicillin g
Warnings:
calves fed colostrum from treated cows
procaine penicillin g Reference(s): Extralabel use of penicillin in food animals


If you have further questions or concerns, please contact our ELDU advice team.
Photo of a calf from USDA