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Fig. 3 | Parasites & Vectors

Fig. 3

From: A case study of Desmozoon lepeophtherii infection in farmed Atlantic salmon associated with gill disease, peritonitis, intestinal infection, stunted growth, and increased mortality

Fig. 3

Number of fish with acute, sub-acute or chronic histopathology at the three different sampling time points. The acute stage had much necrotic gill lesions with numerous D. lepeophtherii that were also systemically disseminated. The sub-acute is an intermediate stage defined by many foamy macrophages and little necrosis with D. lepeophtherii, but also with features in common with chronic stage as gill epithelial proliferation and granulomatous inflammation. The chronic group were separated from the sub-acute group by the presence of reparative changes like fibrin and collagen deposits in the granulomatous peritonitis and more gill epithelial proliferation

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