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Disease Information

Maedi–Visna

Other Names: Ovine Progressive Pneumonia, Marsh’s Progressive Pneumonia, Montana Progressive Pneumonia, Chronic Progressive Pneumonia, Zwoegersiekte, La bouhite, Graff-Reinet Disease
Maedi-visna is an economically important viral disease of sheep that occasionally affects goats. This lentivirus produces subclinical infections but can also cause dyspnea (maedi) or neurological signs (visna).
Disease Information
Disease Images

2 disease images

Disease Agent(s)
  • Lentivirus
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Citations

To cite the factsheets found on this website, the following information can be used:
Spickler, Anna Rovid. "Title of Factsheet." "Date of Factsheet (Last Updated)." At cfsph.iastate.edu/diseaseinfo/factsheets/

maedi-visna: Sheep, lung. Lung fails to deflate and contains coalescing multifocal gray-white nodules/plaques (proliferative lymphocytes and pneumocytes) with adjacent atelectatic depressed parenchyma (red-pink).
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