Withdrawal time

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Withdrawal time, as relating to veterinary medicine, is defined as the time required after administration of a drug to a dairy cow needed to assure that drug residues in the marketable milk is below a determined maximum residue limit (MRL).[1] This term is often used more broadly to describe the time needed after drug administration to any food animal where drug residue may be found in marketed meats, eggs, organs, or other edible products.[2]


  1. ^ FDA Reminds Veterinarians on the Correct Use of Flunixin Meglumine May 15, 2007 U.S. Food and Drug Administration, Center for Veterinary Medicine. Hosted at University of Nebraska–Lincoln. Accessed September 26, 2007.
  2. ^ For use with fish, see, for example, Drugs approved for use in Aquaculture Fish Stories Vol. 1 No. 3. The Aquaculture Network Information Center. December 20, 1994. Accessed September 26, 2007.

Further reading[edit]

  • Concordet, D and P.L. Toutain (1997) "The withdrawal time estimation of veterinary drugs revisited" Journal of Veterinary Pharmacology and Therapeutics 20 (5), 380–386. doi:10.1046/j.1365-2885.1997.00076.x
  • Eiichi, Kokue. (2006) "On a new withdrawal time of veterinary drugs under Positive List System" Journal of Livestock Medicine 516, 363-365. Journal Code:X0028A. ISSN 0287-0754
  • Fisch, R.D. (2000) "Withdrawal time estimation of veterinary drugs: extending the range of statistical methods" Journal of Veterinary Pharmacology and Therapeutics 23 (3), 159–162. doi:10.1046/j.1365-2885.2000.00256.x