الرجا حل هذا المتحان وإرساله بالبريد:للفرقة الرابعة طب بيطرى الزقازيق .الكترونى للتصحيح والعتماد Please answer the following questions: I: Carefully read and suspect the following cases and its lesions (8 marks): 1-Two foals (4 weeks old) submitted to necropsy room of Dept of pathology, Fac of Vet Med, Zagazig University and where they necropsied. Mucopurulent nasal discharge and a combination of both embolic abscesses and hemorrhages were observed. 2-A poultry farm with a high mortality among the housed birds (45-day old) and greenish diarrhea were visualized. Hemorrhagic enteritis with large mottled liver was seen on necropsy. 3-Five-year old cow shows urinary bladder containing reddish non-precipitated urine, triangular areas of necroses and flukes in the liver on the necropsy. 4-Alive-dog of 9 months old reveals red scaly eroded skin with almost hairless on the back and lateral sides. 5- A cow has a large swelling on its jaw with a creamy yellow aspirate, submitted to the clinic of Fac of Vet Med, Zagazig University for surgical excision and treatment. 6- A calf with a history of contagious and fatal disease admitted to our collage. On the necropsy, dirty grayish yellow membrane (cheesy-like material) on the buccal mucosa was seen with bronchopneumonia. II: In tabulated form, compare between the following with diagrams if present (5 marks): 1-Leukosis and Marek’s disease. 2-Actinomycosis and Actinobacillosis. 3-Sarcoptic and Psoroptic mange. III: Write short notes on the pathognomonic lesions of the following diseases (10 marks): 1- Anthrax 2-Joint-ill in foals 3-Collibacillosis in chicken 4-Calf diphtheria 5-IlT in old chickens 6-TB in serous membrane 7-CBPP 8-Cocidiosis in rabbits 9-Fascioliasis 10-Pulpy kidney in lamb IV: In tabulated form, suspect the tissue specimens for histopathology in the following : 1-H.S. in cattle 2-Black disease 3- Johne’s disease in cattle 4-Pullorum disease 5-Histoplasmosis 6-Canine leptospirosis 7- Lungworm (Muellerius capillaries) 8-Newcastle disease of chickens 9-Glanders 10-Clostridial infection in birds V:Describe the pathogenesis of the following Diseases: 1-Shipping Fever 2-Tuberculosis 3-Ovine Caseous Lymphadenitis 4-Black Disease 5-Avian Influenza 6-Colibacillosis 7-Toxic-Fat Syndrome 8-Aspergillosis With Best Wishes
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