Excretion of S typhimurium from a cow's udder.
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000382:microbiology; D005260:Female; D008321:Mammary Glands, Animal / Q000382:microbiology; D008892:Milk / Q000382:microbiology*; D012481:Salmonella Infections, Animal / Q000382:microbiology*; D012486:Salmonella typhimurium / Q000302:isolation & purification*