title: On the persistence of bacteria in manure. A field and experimental study with special reference to Salmonella in liquid manure.
mesh_terms: D000383:Agriculture; D000818:Animals; D002417:Cattle; D005243:Feces / Q000382:microbiology*; D012475:Salmonella / Q000302:isolation & purification*; D013548:Sweden; D013552:Swine; D013997:Time Factors; D014556:Urine / Q000382:microbiology*