Sales of antibiotics for livestock and poultry rose 9% last year. But usage levels are still down sharply from those seen before the industry stopped selling antibiotics for growth promotion and the FDA started requiring veterinarian oversight of the drugs, according to the agency.
There were sharp differences in usage between species. Sales for swine production were up 17% in 2018 and sales for cattle increased 9%, but sales for chicken were down 17%.
Overall, sales of farm antibiotics were down 38% last year from the peak year of 2015 and down 21% from 2009, the first year for which data is available.
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