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U.S. Department of Health and Human Services

Animal & Veterinary

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REGULATORY ACTIVITIES - July/August 2002

by Karen A. Kandra
FDA Veterinarian Newsletter 2002 Volume XVI, No IV

The following firms/individuals received warning letters for offering animals for slaughter that contained illegal drug residues:

  • Brent J. Rus, Owner, Brent Rus Farm, Rock Valley, IA
  • Mike G. Vierstra, Owner, Vierstra Dairy, Twin Falls, ID

These violations involved illegal residues of penicillin, gentamicin, and sulfamethazine in a cow, and multiple residues of tilmicosin and penicillin in dairy cows.

The following individuals/firms received warning letters for violations related to 21 CFR Part 589.2000 - Animal Proteins Prohibited in Ruminant Feed. This regulation is intended to prevent the establishment and amplification of Bovine Spongiform Encephalopathy (BSE):

  • Jeffrey T. Buck, Owner, All American Feed & Tractor, Sandpoint, ID
  • Kenneth M. Van Dyke, President, Van Dyke Grain Elevators, Inc., North Plains, OR
  • Philip C. Anderson, General Manager, Darling International, Inc., Tacoma, WA

Violations included failure to maintain sufficient records and written procedures to prevent cross-contamination; failure to keep written procedures for cleaning out or flushing equipment after mixing feeds containing prohibited material; failure to provide written procedures for separating products that contain or may contain prohibited material from ingredients used in ruminant feeds, from the time of receipt until the time of shipment; and, failure to label meat and bone meal with the required cautionary statement "Do Not Feed to Cattle or Other Ruminants."

The following material was presented as a poster at the 102nd American Society of Microbiologists meeting in Salt Lake City, May 2002.