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Histopathology and Cytology of
Poultry Diseases By Ivan Dinev, DVM, PhD
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INFECTIOUS BRONCHITIS
Fig. 1. Transverse cross-section, trachea. A severe inflammatory cell infiltration, resulting in thickened and more dense mucosa. H/E, Bar = 70 µm.
Fig. 2. Inflammatory hyperaemia, oedema and haemorrhages in kidneys, due to nephrotropic IB strains. H/E, Bar = 40 µm.
Fig. 3. Nephrotropic strains provoke a severe interstitial nephritis. Perivascular focal proliferation of lymphocytes and plasmatic cells in the kidney. H/E, Bar = 25 µm.
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