: بالبريد وإرساله األمتحان هذا حل الرجا الزقازيق بيطرى طب الرابعة للفرقة. واإلعتماد للتصحيح اإلكترونى

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 foals3-Collibacillosis in chicken 4-Calf diphtheria5-IlT in old chickens 6-TB in serous membrane7-CBPP 8-Cocidiosis in rabbits9-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 leptospirosis7- 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-Tuberculosis3-Ovine Caseous Lymphadenitis 4-Black Disease5-Avian Influenza 6-Colibacillosis7-Toxic-Fat Syndrome 8-Aspergillosis

With Best Wishes

mohamedelariny@yahoo.com