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Drug Withdrawal and Milk Discard Times of Penicillins

Drug Withdrawal and Milk Discard Times of Penicillins

Penicillina

Species

Withdrawal Time (days)

Milk Discard Time (days)

Procaine penicillin G

Cattle

10 (at label dosage)

30 (at 20,000 IU/kg, bid)

3

Sheep

9

Pigs

7

Benzathine penicillin G

Cattle

30

Ampicillin

Cattle

6

Preruminant calves

15

Amoxicillin

Cattle

30

2

a All administered IM

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Merck & Co., Inc., Kenilworth, NJ, USA is a global healthcare leader working to help the world be well. From developing new therapies that treat and prevent disease to helping people in need, we are committed to improving health and well-being around the world.  The Merck Veterinary Manual was first published in 1955 as a service to the community.  The legacy of this great resource continues as the Merck Veterinary Manual in the US and Canada and the MSD Manual outside of North America.

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