Fig. 3From: Marek’s disease in chicken farms from Northwest Ethiopia: gross pathology, virus isolation, and molecular characterizationIsolation of marek’s disease virus using chicken embryo fibroblast cells. Uninfected confluent monolayer of CEF (A) MDV-1 infected CEF with characteristics CPEs observed after 4 days post inoculation of 2nd passage (indicated by arrows) (B)Back to article page