title: Approaches to Johne's disease.
authors.forename: Peter
authors.initials: P
authors.lastname: Orpin
authors.forename: Richard
authors.initials: R
authors.lastname: Sibley
mesh_terms: D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000175:diagnosis*; D008892:Milk / Q000382:microbiology; D016927:Mycobacterium avium subsp. paratuberculosis / Q000235:genetics / Q000302:isolation & purification; D010283:Paratuberculosis / Q000175:diagnosis*; D016133:Polymerase Chain Reaction / Q000379:methods / Q000662:veterinary; D018570:Risk Assessment / Q000379:methods