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The U.S. Food and Drug Administration (FDA) has launched an Interactive Summary of Biomass-Adjusted Antimicrobial Sales Data. The display applies a biomass denominator to adjust existing annual antimicrobial sales and distribution data for medically important antimicrobial drugs sold or distributed for use in food-producing animals in the United States for years 2016 to 2020.
Animal biomass is defined as the population of a given livestock species in the U.S. multiplied by the average weight of that species. In this method, a biomass denominator adjusts annual antimicrobial sales data to account for the size of the population of a given livestock species in the U.S. potentially being treated with those drugs.
The following figure demonstrates how trends in antimicrobial sales data may be affected by applying the animal biomass denominator adjustment. Note that trends in some species may be affected more than others by this application; in some cases, this may be due to differences in animal weights and population numbers, or changes in disease incidence that affect antimicrobial sales for a particular species.
The interactive summary allows users to customize data visualizations using criteria such as antimicrobial drug class, species, and year.
November 29, 2022/ FDA/ United States.
https://www.fda.gov
