title: Leptospiral antibodies in dairy cattle: some ecological considerations.
mesh_terms: D000818:Animals; D000907:Antibodies, Bacterial; D002417:Cattle; D002418:Cattle Diseases / Q000276:immunology*; D004197:Disease Reservoirs; D004463:Ecology; D004777:Environment; D007921:Leptospira interrogans / Q000276:immunology; D041341:Leptospira interrogans serovar canicola / Q000276:immunology; D007922:Leptospirosis / Q000453:epidemiology / Q000276:immunology / Q000662:veterinary*; D051379:Mice; D051381:Rats; D012987:Soil; D014867:Water; D015047:Zoonoses
chemical_list: D000907:Antibodies, Bacterial; D012987:Soil; D014867:Water