The Swann report in the 1980s.
D000821:Animal Feed; D000818:Animals; D000900:Anti-Bacterial Agents / Q000627:therapeutic use; D005503:Food Additives; D006801:Humans; D012478:Salmonella Food Poisoning / Q000382:microbiology; D012481:Salmonella Infections, Animal / Q000382:microbiology; D006113:United Kingdom; D014730:Veterinary Medicine; D015047:Zoonoses / Q000635:transmission
D000900:Anti-Bacterial Agents; D005503:Food Additives