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    Book Contents

    1. Histopathology and Cytology Associated with Bacterial Diseases
    2. Histopathology and Cytology Associated with Viral Diseases
    3. Histopathology and Cytology Associated with Neoplastic Diseases
    4. Histopathology and Cytology Associated with Parasitic Diseases
    5. Histopathology and Cytology Associated with Mycotic Diseases
    6. Histopathology and Cytology Associated with Deficiency Diseases
    7. Histopathology and Cytology Associated with Other Diseases
    Histopathology and Cytology of
    Poultry Diseases
    By Ivan Dinev, DVM, PhD


    NECROTIC ENTERITIS

    Fig. 1. Necrosis of small intestinal mucous coat. The affected mucosal layer is altered into necrotic detritus, part of which protrudes into the intestinal lumen. H/E, Bar = 40 µm.

    Fig. 1. Necrosis of small intestinal mucous coat. The affected mucosal layer is altered into necrotic detritus, part of which protrudes into the intestinal lumen. H/E, Bar = 40 µm.

     
    Fig. 2. Simultaneous presence of Clostridium organisms (arrow - с) and Eimeria developmental forms (arrow - е) among the necrotic small intestinal mucosa in a broiler chicken. H/E, Bar = 30 µm.

    Fig. 2. Simultaneous presence of Clostridium organisms (arrow - с) and Eimeria developmental forms (arrow - е) among the necrotic small intestinal mucosa in a broiler chicken. H/E, Bar = 30 µm.

     
    Fig. 3. Element of Fig. 2. Massive clostridial colonization to the surface of small intestinal mucosa (arrows). H/E, Bar = 35 µm.

    Fig. 3. Element of Fig. 2. Massive clostridial colonization to the surface of small intestinal mucosa (arrows). H/E, Bar = 35 µm.

     
    Fig. 4. Multiple clostridiae among the necrotic intestinal mucosa and formation of a cavity (arrow) as a result of gas production. H/E, Bar = 25 µm.

    Fig. 4. Multiple clostridiae among the necrotic intestinal mucosa and formation of a cavity (arrow) as a result of gas production. H/E, Bar = 25 µm.

     
    Fig. 5. Necrotic enteritis in a broiler chicken. Severe liver congestion. H/E, Bar = 100 µm.

    Fig. 5. Necrotic enteritis in a broiler chicken. Severe liver congestion. H/E, Bar = 100 µm.

     
    Fig. 6. Necrotic enteritis in a broiler chicken. Liver, activated macrophages and enhanced phagocytosis of erythrocytes. H/E, Bar = 35 µm.

    Fig. 6. Necrotic enteritis in a broiler chicken. Liver, activated macrophages and enhanced phagocytosis of erythrocytes. H/E, Bar = 35 µm.

     
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