Changing patterns of Salmonella excretion in various cattle populations.
D000824:Animal Nutritional Physiological Phenomena; D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000453:epidemiology*; D005243:Feces / Q000382:microbiology*; D006361:Heating; D006799:Housing, Animal; D006920:Hygiene; D012481:Salmonella Infections, Animal / Q000453:epidemiology*; D012499:Sanitation