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Protozoal Diseases
3. Histomoniasis (Infectious Entero-hepatitis, Black-head)
1) Listlessness, lack of appetite, unkempt feathers, lethargy, seen in 97 days-old broiler breeding hen. 2) Liver lesions having crysanthemum flowerslike shape. The same lesions can be seen on the sectioned surface.
3) Cecum lesions of nodular enlargement having perforation of the intestine resulted from necrotic lesions. 4) Histomonas in the cecum (PAS staining).

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