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Histopathology and Cytology of
Poultry Diseases By Ivan Dinev, DVM, PhD
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SWOLLEN HEAD SYNDROME
Fig. 1. Subcutaneous mucinous oedema (e) in the region of the head in a broiler chicken. H/E, Bar = 70 µm.
Fig. 2. Subcutaneous inflammatory cell oedema (ic) in the region of the head in a female broiler breeder, 33 weeks of age, H/E, Bar = 35 µm.
Fig. 3. Haemorrhages and inflammatory necrotic lesions affecting the pneumatized skull bones in a female broiler breeder, 33 weeks of age, H/E, Bar = 70 µm.
Fig. 4. Massive haemorrhages and inflammation of nasal conchas in a 30-day-old broiler chicken. H/E, Bar = 100 µm.
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