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Mapping the global consumption of antibiotics

T. P. Van Boeckel, C. Brower, M. Gilbert, B. T. Grenfell, S. A. Levin, T. P. Robinson, A. Teillant, R. Laxminarayan

AS the world population increases, demand for protein for human consumption is rising too. With many animal production practices being associated with the regular use of antimicrobials, this could increase the selection pressure on bacteria to become resistant. To address gaps in the understanding of global antimicrobial use, this study aimed to map the global consumption of antimicrobials in food animals for 2010 and project trends for 2030.

Using Bayesian statistical models, the authors combined maps of livestock densities and reports of antimicrobial consumption for cattle, chickens and pigs from 288 high-income countries to estimate and map the global consumption of antimicrobials in food animals in 2010. The authors then projected antimicrobial consumption trends for the year 2030, based on growth projections of the consumption of livestock products.

They estimate that the global average annual consumption of antimicrobials per kilogram of animal produced was 45 mg/kg, 148 mg/kg and 172 mg/kg for cattle, chicken and pigs, respectively. From this, they estimate that between 2010 and 2030, the global consumption of antimicrobials will increase by 67 per cent. They suggest that, …

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