title: Increased risk of maedi-visna.
authors.forename: Barti
authors.initials: B
authors.lastname: Synge
authors.forename: Graham
authors.initials: G
authors.lastname: Baird
mesh_terms: D000822:Animal Husbandry; D000818:Animals; D004196:Disease Outbreaks / Q000662:veterinary*; D018562:Disease Transmission, Infectious / Q000517:prevention & control / Q000662:veterinary; D015994:Incidence; D011021:Pneumonia, Progressive Interstitial, of Sheep / Q000453:epidemiology* / Q000635:transmission; D012606:Scotland / Q000453:epidemiology; D012756:Sheep; D014790:Visna-maedi virus / Q000472:pathogenicity*