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Fig. 2 | Parasites & Vectors

Fig. 2

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. 2

Acute group: gill infection co-localized with necrosis. a HE-stain, distal adherences between slender lamellas with swollen, necrotic cells sometimes with poorly stained, iridescent D. lepeophtherii spore clusters (arrow). b FCP, green FITC chitin staining of D. lepeophtherii spore clusters (arrows) corresponding with the iridescent spores on HE-stain in a. c CFW, UV-blue chitin fluorescence of D. lepeophtherii spore clusters (arrows), necrosis (*). d ISH, rRNA probe staining proliferative stages of D. lepeophtherii red. e HE-stain, severely infected gill epithelium, swollen necrotic cells (*), cytoplasmic and intranuclear proliferative stages surrounded by a clear halo (arrows). f ISH, same gill as (e), intense staining of the halo surrounded bodies in both cytoplasm and nucleus (arrows), less staining in necrotic cells often with some melanin granules (*). Scale-bars: a, b, d, 50 μm; c, e, f, 10 μm

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Parasites & Vectors

ISSN: 1756-3305

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