MSD Manual

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MSD Manual
Veterinary Manual
The trusted provider of veterinary information since 1955
VETERINARY PET
Drug Withdrawal and Milk Discard Times of Cephalosporins

Drug Withdrawal and Milk Discard Times of Cephalosporins

Cephalosporin

Withdrawal Time

Milk Discard Time

Ceftiofur

2–16 days, depending on formulation

Sodium cephapirin (intramammary)

4 days before slaughter

4 days

Benzathine cephapirin (dry-cow treatment)

42 days after latest infusion

3 days after calving—milk not used for food

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