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The U.S. Food and Drug Administration has published its fourth annual report summarizing the sales and distribution data of antimicrobial drugs approved for use in food-producing animals. Additional data tables have been added to this latest 2012 report to provide more detailed information and to improve transparency, and the same tables have also been added to the summary reports for the previous years (2009-2011).

Section 105 of the Animal Drug User Fee Amendments of 2008 (ADUFA 105) requires antimicrobial drug sponsors to report to FDA on an annual basis the amount of antimicrobial drugs they sell or distribute for use in food-producing animals. ADUFA 105 also requires the FDA to prepare summary reports of sales and distribution information received from drug sponsors each year, by antimicrobial class for classes with three or more distinct sponsors, and to provide those summaries to the public.