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Pathological changes in natural infection of pheasants with highly pathogenic avian influenza A (H5N8) in Bulgaria

Georgi M. Stoimenov

Georgi M. Stoimenov

Department of Infectious Pathology and Food HygieneSofia, Bulgaria
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Stoimenov, Georgi M.
, 
Gabriela V. Goujgoulova

Gabriela V. Goujgoulova

National Diagnostic Research Veterinary Medical InstituteSofia, Bulgaria
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Goujgoulova, Gabriela V.
, 
Branimir Nikolov

Branimir Nikolov

Department of Clinical PathologySofia, Bulgaria
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Nikolov, Branimir
, 
Kalin Hristov

Kalin Hristov

Department of Surgery, Radiology, Obstetrics and Gynaecology, Faculty of Veterinary MedicineSofia, Bulgaria
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Hristov, Kalin
 and 
Atanaska Teneva

Atanaska Teneva

Department of Plant Protection, Faculty of Agronomy, University of ForestrySofia, Bulgaria
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Teneva, Atanaska
  
Dec 19, 2019
Pathological changes in natural infection of pheasants with highly pathogenic avian influenza A (H5N8) in Bulgaria's Cover Image
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Published Online: Dec 19, 2019
Page range: 497 - 502
Received: Jun 17, 2019
Accepted: Nov 22, 2019
DOI: https://doi.org/10.2478/jvetres-2019-0073
Keywords
© 2019 G.M. Stoimenov et al. published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Fig. 1

Congestion, complicated by haemorrhage in the lung (black arrow) and focal hepatic necrosis (yellow arrow)
Congestion, complicated by haemorrhage in the lung (black arrow) and focal hepatic necrosis (yellow arrow)

Fig. 2

Diffuse subserosal haemorrhages in the caeca (green arrows) and dystrophic and necrotic changes in the heart (black arrow)
Diffuse subserosal haemorrhages in the caeca (green arrows) and dystrophic and necrotic changes in the heart (black arrow)

Fig. 3

Histopathological and IHC changes: a) lung – haemorrhagic pneumonia, oedema, emphysema, and atelectasis, 100 ×; b) brain – perivascular and pericellular oedema, 200 ×; c) trachea – acute tracheitis, with epithelial desquamation, 200 ×; d) myocardium – interstitial oedema, 100 ×; e) lung – IHC expression of anti-influenza A virus nucleoprotein antibody, 200 ×; f) brain – IHC expression of anti-influenza A virus nucleoprotein antibody, 200 ×; g) trachea – IHC expression of anti-influenza A virus nucleoprotein antibody, 100 ×; h) myocardium – IHC expression of anti-influenza A virus nucleoprotein antibody, 200 ×
Histopathological and IHC changes: a) lung – haemorrhagic pneumonia, oedema, emphysema, and atelectasis, 100 ×; b) brain – perivascular and pericellular oedema, 200 ×; c) trachea – acute tracheitis, with epithelial desquamation, 200 ×; d) myocardium – interstitial oedema, 100 ×; e) lung – IHC expression of anti-influenza A virus nucleoprotein antibody, 200 ×; f) brain – IHC expression of anti-influenza A virus nucleoprotein antibody, 200 ×; g) trachea – IHC expression of anti-influenza A virus nucleoprotein antibody, 100 ×; h) myocardium – IHC expression of anti-influenza A virus nucleoprotein antibody, 200 ×
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Life Sciences, Molecular Biology, Microbiology and Virology, Life Sciences, other, Medicine, Veterinary Medicine
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