"A recent FDA report estimated for the first time the amount of antibiotics sold in the United States every year for use in agriculture: 28.8 million pounds. Or 13,1 kilograms of antibiotics."
I don't know if the source is credible, but it somehow resonates with the stellar antibiotic pollution:
https://www.theguardian.com/society/201 ... ntibiotics
(Ciproflaxin/Cipro specifically is commonly used in Eastern Europe to treat bacterial infections in farm animals... and to treat many human infections - read "more and more resistant bacteria").