Leginagoikoa, I Effects of housing on the incidence of visna/maedi virus infection in sheep flocks. [electronic resource] - Research in veterinary science Jun 2010 - 415-21 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 1532-2661 Standard No.: 10.1016/j.rvsc.2009.11.006 doi Subjects--Topical Terms: AgingAnimalsAntibodies, Viral--bloodBreeding--standardsColostrum--virologyDairying--standardsFemaleHousing, Animal--standardsIncidenceMilk--virologyPneumonia, Progressive Interstitial, of Sheep--bloodSheepSheep Diseases--epidemiologySpain--epidemiologyVisna--bloodVisna-maedi virus--isolation & purification