Antimicrobial residues detected in Argentine feedlot soils across 27 sites

A study detected monensin, tetracycline, and other antibiotic residues in soils from 27 feedlot establishments across Argentina, indicating environmental contamination from intensive livestock operations. The findings raise concerns about antimicrobial resistance and soil ecosystem health, though the study's methodology and regional scope are not fully detailed. This is the first broad survey of its kind in Argentina, highlighting a potential regulatory gap.