Dr. Usama Taha Mahmoud

Dr. Usama Taha Mahmoud

Lecturer
Assiut University, Egypt


Highest Degree
Ph.D. in Veterinary Sciences from Assiut University, Egypt

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Area of Interest:

Animal and Veterinary Sciences
100%
Animal Welfare
62%
Poultry Stress
90%
Animal Behaviour
75%
Poultry Management
55%

Selected Publications

  1. Ibrahim, A., U.T. Mahmoud, N.S.A. Khalil, H.A. Hussein and M.M. Ali, 2018. A pilot study on surgical trimming impact on severely overgrown claws in sheep: Behavioral, physiological and ruminal function aspects. Clin. Appli. Res., 23: 66-75.
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  2. Mahmoud, U.T., O.A. Amen, T.J. Applegate and H.W. Cheng, 2017. Brazilian propolis effects on growth, productivity performance, gut characteristics and physiological changes in broiler chickens. Int. J. Poult. Sci., 16: 169-179.
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  3. Mahmoud, U.T. and M.S.Elsayed, 2017. Behavioral and physiological effects of mannan-oligosaccharide and β-glucan prebiotic combination on heat stressed broiler chickens. J. Adv. Vet. Res., 7: 81-86.
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  4. Mahmoud, U.T., H.W. Cheng and T.J. Applegate, 2016. Functions of propolis as a natural feed additive in poultry. World's Poultr. Sci. J., 72: 37-48.
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  5. Khalphallah, A., E. Elmeligy, S.F. El-Hawari and U.T. Mahmoud, 2016. Clinical, laboratory and ultrasonographic findings in Egyptian buffalo (Bubalus bubalis) with caecal and colonic dilatation. Int. J. Vet. Sci. Med., 4: 5-10.
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  6. Khalphallah, A., A.M. Abu-Seida, M. Abdelhakiem, E. Elmeligy and U. Mahmoud, 2016. Laboratory, Radiographic and Ultrasonographic Findings of Acute Traumatic Reticuloperitonitis in Buffaloes (Bubalus bubalis). Asian J. Anim. Vet. Adv., 11: 675-683.
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  7. Ahmed, O.H.B., U.T. Mahmoud, M.A. Mahmoud and M.R.F. El-Bab, 2016. Histomorphological Changes Associated with Different Doses of Chinese Propolis in the Bursa of Fabricius of Chickens. J. Adv. Vet. Res., 6: 1-6.
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  8. Ahmed, O.B., U.T. Mahmoud, S. Elganady, A.M. Nafady and S.M.H. Afifi, 2016. Immunomodulatory effect of gelatin-coated silver nanoparticles in mice: Ultrastructural evaluation. Ultrastructural Pathol., 40: 342-350.
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  9. Mahmoud, U.T., M.A.M. Abdel-Rahman, M.H.A. Darwish, T.J. Applegate and H.W. Cheng, 2015. Behavioral changes and feathering score in heat stressed broiler chickens fed diets containing different levels of propolis. Appl. Anim. Behav. Sci., 166: 98-105.
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  10. Mahmoud, U.T., M.R. Fahmey, M.A. Abdel-Rahman and M.H.A. Darwish, 2014. Effect of Propolis Supplementation on Serum Calcium, Phosphorus and Proteins Concentrations in Heat Stressed Broilers. J. Adv. Vet. Res., 4: 117-122.
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  11. Mahmoud, M.A., H.S. Abdel-Mohsein and U.T. Mahmoud, 2014. Effect of Chinese propolis supplementation on Ross broiler chicks: microbial population in fecal matter and litter. J. Adv. Vet. Res., 4: 77-84.
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  12. Abdel-Mohsein, H.S., M.A. Mahmoud and U.T. Mahmoud, 2014. Influence of propolis on intestinal microflora of Ross broilers exposed to hot environment. Adv. Anim. Vet. Sci., 2: 204-211.
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  13. Mahmoud, U.T., M.A. Abdel-Rahman, M.H. Darwish and G.M. Mosaad, 2013. The effect of heat stress on blood picture of Japanese Quail. J. Adv. Vet. Res., 3: 69-76.
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  14. Mahmoud, U.T., M.A. Abdel-Rahman and M.H. Darwish, 2013. The effect of Chinese propolis supplementation on Ross broiler performance and carcass characteristics. J. Adv. Vet. Res., 3: 154-160.
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  15. Mahmoud, U.T., M.A. Abdel-Rahman and M.A. Hosny, 2013. Effects of propolis, ascorbic acid and vitamin E on thyroid and corticosterone hormones in heat stressed broilers. J. Adv. Vet. Res., 4: 18-27.
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  16. Mahmoud, U.T., M.A. Abdel-Rahman, M.H. Darwish and G.M. Mosaad, 2012. The Effect of Separate-Sex Rearing of Slaughter Quail on Serum Corticosterone Level. J. Adv. Vet. Res., 2: 206-207.
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  17. Mahmoud, U.T., 2012. Silver nanoparticles in poultry production. J. Adv. Vet. Res., 2: 303-306.
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  18. Mosaad, G.M., M.A. Abdel-Rahman, M.H. Darwish and U.T. Mahmoud, 2010. Performance, behaviour, carcass traits and blood constituents of Japanese quails reared under heat stress. Assiut Vet. Med. J., 56: 27-45.
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