Animal: Domestic pig (Large White, ca. 5 months old)
Organ: Kidney
History: Animal was euthanized on day 7 after experimental inoculation with African swine fever virus
Etiology: African swine fever virus, highly virulent field isolate “Georgia 2007”
Morphologic diagnosis: Acute, severe, multifocal to coalescing petechial and ecchymotic hemorrhages (cortex, medulla, and calyx/pelvis), kidney, domestic pig, due to infection with African swine fever virus isolate Georgia 2007.
Short summary: In African swine fever, kidneys can show multifocal petechial to ecchymotic hemorrhages on the cortical and cut surfaces as part of a hemorrhagic diathesis, but this lesion is not consistently present and is not pathognomonic for ASFV. For further details on ASFV pathology, see Salguero FJ, 2020, Front. Vet. Sci. (doi: 10.3389/fvets.2020.00282).
Necropsy performed and picture prepared by: Kemal Mehinagic, DVM, PhD, dipl. ECVP, Institute of Virology and Immunology IVI, Mittelhäusern, Switzerland