Definition: Chronic respiratory disease caused by the VISNA-MAEDI VIRUS. It was formerly believed to be identical with jaagsiekte (PULMONARY ADENOMATOSIS, OVINE) but is now recognized as a separate entity.
caused by a lentivirus; don't forget also SHEEP (NIM) & check tag ANIMALS; DF: note short X ref
Other names Progressive Interstitial Pneumonia of Sheep; Maedi