Shahmoradi, Amir H Paratuberculosis in Holstein-Friesian cattle farms in Central Iran. [electronic resource] - Tropical animal health and production Apr 2008 - 169-73 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0049-4747 Standard No.: 10.1007/s11250-007-9085-2 doi Subjects--Topical Terms: AnimalsCattleCattle Diseases--epidemiologyFeces--microbiologyFemaleIran--epidemiologyMaleMycobacterium avium subsp. paratuberculosis--isolation & purificationParatuberculosis--epidemiologyPrevalence