title: Isolation of a leptospire belonging to serogroup tarassovi.
mesh_terms: D000818:Animals; D002417:Cattle; D007919:Leptospira / Q000302:isolation & purification*; D007922:Leptospirosis / Q000382:microbiology / Q000662:veterinary*; D013552:Swine; D013553:Swine Diseases / Q000382:microbiology*