This document appears to be exam questions for veterinary students at Zagazig University in Egypt. It contains 5 sections asking students to: 1. Analyze 6 case studies and lesions observed during necropsies. 2. Compare 3 disease pairs in a table, including diagrams if present. 3. Provide short notes on the pathognomonic lesions of 10 diseases. 4. Suggest tissue specimens for histopathology for 10 disease/organ combinations. 5. Describe the pathogenesis of 8 diseases. The document covers a wide range of veterinary pathology content and asks students to demonstrate their understanding through identification, comparison, description and suggestion of appropriate diagnostic testing for various animal diseases.

1. .‫للفرقة الرابعة طب بيطرى الزقازيق: الرجا حل هذا المتحان وإرساله بالبريد 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 disease5-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
mohamedelariny@yahoo.com