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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
 und 
Atanaska Teneva

Atanaska Teneva

Department of Plant Protection, Faculty of Agronomy, University of ForestrySofia, Bulgaria
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Teneva, Atanaska
  
19. Dez. 2019
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Online veröffentlicht: 19. Dez. 2019
Seitenbereich: 497 - 502
Eingereicht: 17. Juni 2019
Akzeptiert: 22. Nov. 2019
DOI: https://doi.org/10.2478/jvetres-2019-0073
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© 2019 G.M. Stoimenov et al. published by Sciendo
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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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