[Studies on the occurrence of paratuberculosis in cattle in Denmark].
D000367:Age Factors; D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000453:epidemiology*; D003168:Complement Fixation Tests; D003718:Denmark; D010283:Paratuberculosis / Q000175:diagnosis / Q000453:epidemiology / Q000662:veterinary*; D012621:Seasons
Undersøgelser over forekomst af paratuberkulose hos kvaeg i Danmark.