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Articles by M.M. Zaki
Total Records ( 3 ) for M.M. Zaki
  M.M. Zaki , Wafaa A. Abd El-Ghany , Maha M. Hady and Reda M.S. Korany
  Objective: In this study, the immunopotency of dried coriander seed (Cr), turmeric (Tu) and thyme (Th) powders feed additives in broilers was investigated. Methodology: Three hundred, day old broiler chicks were divided into 5 groups, each of 3 replicate and kept for a period of 35 days. A basal diet was used to which Cr, Tu and Th were added either solely at level of 0.75% or in mixture (Mx), while control fed basal diet (C). Haemagglutinating Inhibiting (HI) antibody titre against Newcastle Disease (ND) was measured in sera of all birds. By the end of the experimental period, three birds from each replicate were weighed and killed then bursa (Br), thymus (Thy) and spleen (Sp) were extracted to calculate weight indices and fixed in formol buffer for morphometric measurements. Results: The HI titres were higher (p<0.05) in Cr and Tu compared with others. The Br, Thy and Sp weight indices were higher (p<0.05) in all groups than C, while those of Tu, Th and Mx groups were higher (p<0.05) than Cr group. The morphometric measurements were higher (p<0.05) in all treated groups compared to C, while values of Tu were higher (p<0.05) than Th and Cr groups. Conclusion: Dried Cr and Tu feed additives had an immunomodulatory effect in broilers.
  M.S. Shathele , A. Fadlelmula , F.A. Al-Hizab and M.M. Zaki
  A laboratory study was carried out to investigate fatal aspergillosis in an ostrich (Struthio camelus) predisposed by pulmonary haemangioma in the Kingdom of Saudi Arabia. The examination of Post Mortem (PM) revealed numerous ulcerated (1x0.5 cm) subcutaneous opaque thick masses with turbid materials (exudates) in the cut section together with fibrosis in between air sacs and the thoracic wall. The microscopic appearance indicated the presence of capillary type haemangioma in ostrich. The proliferating cells were highly differentiated, uniform with spindle-shaped nuclei resembling normal vascular endothelia and were arranged in the form of numerous capillaries distended with large amounts of blood erythrocytes and separated by fibrous stroma. However, large vascular spaces lined by a single layer of endothelium were also observed. The superficial parts of the tumour showed hyperkeratosis of the epidermis and diffuse infiltration of lymphocytes in the interstitial areas. In addition, the fibrous stroma was more abundant and dense with more prominent collagen in the peripheral parts of the tumour. On PM, the tiny yellowish white foci were detected on the lung’s specimens and yielded A. fumigatus in pure culture. The histopathologic examination of the lesions showed fungal hyphae, inflammatory and multinucleate giant cells.
  M.S. Shathele , A. Fadlelmula , F.A. Al-Hizab and M.M. Zaki
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