Merck Manual

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Drug Withdrawal and Milk Discard Times of Tetracyclines

Drug Withdrawal and Milk Discard Times of Tetracyclines

Tetracycline

Species

Withdrawal Time (days)

Oxytetracyclinea

Cattle

15–22

Pigs

22

Poultry

5

Oxytetracycline (long-acting)a

Cattle

28

Chlortetracycline

Cattle

10

Pigs

1–7

a Not for use in lactating dairy cows