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USDA Regulation of Residues in Meat and Poultry Products¹

Food Safety and Inspection Service, USDA, Washington, DC 20250

Abstract

The National Residue Program conducted by the Food Safety and Inspection Service (FSIS) of the USDA includes a comprehensive testing program for residues of pesticides, drugs and other chemical contaminants in meat and poultry. Prevention strategies encourage producers to adopt quality control measures in their production management to prevent illegal residues in food. These activities have been effective in reducing the occurrence of violative residues and the potential for adverse health effects. Overall, the number of domestic monitoring samples containing violative residues is low—about 1% of samples tested. Violative residues are found less frequently in poultry than in livestock. More occur in swine than in other species; the least number occur in fed cattle and broilers. Testing results over the last 10 yr show that most drugs and pesticides used to enhance agricultural productivity are not causing a residue problem in meat and poultry. However, the FSIS cannot be complacent about its program achievements. Unacceptably high incidences of violative residues of certain drugs, namely, sulfonamides and antibiotics, still occur in particular production classes. For example, the incidence of violative sulfonamide residues in liver samples from swine slaughtered in 1985 was about 6%, with significant differences between geographical areas. An estimated 2.5% of market hogs had violative sulfamethazine residues in the muscle tissue. The FSIS is taking steps to correct this and other residue problems by strengthening the link between residue detection and enforcement and by expanding its analytical capability to monitor for residues.

¹ Paper presented at a symposium titled "Occurrence and Regulation of Residues and Toxins in Plant and Animal Tissues," held Feb. 3, 1987, at the Southern Section Amer. Soc. of Anim. Sci., Nashville, TN. The symposium was sponsored by ASAS, Eli Lilly and Co., International Minerals and Chemical Corp. and Hoffman-LaRoche, Inc.

² Deputy Director, Residue Evaluation and Planning Division, Science Program, Food Safety and Inspection Service, USDA.