Nurture turned to poison.
D000818:Animals; D002417:Cattle; D003612:Dairying / Q000266:history*; D005506:Food Contamination; D005511:Food Handling; D005513:Food Inspection; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D008892:Milk / Q000382:microbiology; D014481:United States