title: Use of antibiotics in animal feed challenged.
mesh_terms: D000821:Animal Feed; D000818:Animals; D000900:Anti-Bacterial Agents; D005503:Food Additives; D006801:Humans; D007878:Legislation as Topic; D011815:R Factors; D012478:Salmonella Food Poisoning / Q000382:microbiology; D014481:United States; D014486:United States Food and Drug Administration
chemical_list: D000900:Anti-Bacterial Agents; D005503:Food Additives