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Dr. Usama Taha Mohammed Fareed Mahmoud

Lecturer, , Faculty of Veterinary Medicine, Assiut University

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Current Address

:

Department of Animal and poultry Behaviour and Management-Faculty of Veterinary Medicine-Assiut University 71526-Assiut - Egypt

Home Tel.

:

2277440

Mobile No.

:

001154133079

E-Mail

:

usama.mahmoud@aun.edu.eg
usamakomsan5@gmail.com

Web Site

:

https://www.researchgate.net/profile/Usama-Mahmoud-2

google scholar link

:

http://scholar.google.com.eg/citations?user=XrK52YsAAAAJ&hl=en
Educational Qualifications:
  • Ph. D. In animal behavior and management ( broiler chicken behavior and management ) , veterinary medicine, Assiut University , 2015
  • M. Sc. In animal behaviour and management ( quail behaviour and management + oxidative stress ) , Faculty of veterinary medicine , Assiut University, 2010
  • B. Sc., Faculty of Veterinary Medicine, Assiut University, 2005
  • Lecturer, , Faculty of Veterinary Medicine, Assiut University, 2015
  • Assistant Lecturer, Department of Animal Hygiene , Faculty of Veterinary Medicine, ِِAssiut University, 2010
  • Demonstrator, Department of Animal Hygiene , Faculty of Veterinary Medicine, Assiut University, 2005

Research fields:
animal hygiene , summer stress , animal nitrition , antioxidants , blood serum , Growth rate , animal behavior , animal management

Publications:

1 - Usama T. Mahmoud , Madeha H.A. Darwish , Fatma Abo Zakaib Ali ,Omar A. Amen , Manal A.M. Mahmoud , Omar B. Ahmed , Ghada Abd El-Reda , Mohamed A. Osman , Aly A. Othman , Mostafa F.N.Abushahba , Ramadan D. El Shoukary, Zinc Oxide Nanoparticles Prevents Multidrug Resistant Staphylococcus-Induced Footpad Dermatitis in Broilers , Avian Pathology, Taylor & Francis & Houghton Trust Ltd, 10.1080/03079457.2021.1875123, January, 2021
2 - U. T. Mahmoud, M. A. M. Mahmoud, M. Abd-Elkareem, F. A. M. Ahmed, and N. S. A. Khalil, Prebiotics reduce feather pecking behavior, and improve trace element profile and redox balance in Mule ducks, Journal of Veterinary Behavior: Clinical Applications and Research , Elsevier BV, 43, 28-38, 2021
3 - M. A. M. Mahmoud, D. Yahia, D. S. Abdel-Magiud, M. H. A. Darwish, M. Abd-Elkareem, and U. T. Mahmoud, Broiler welfare is preserved by long-term low-dose oral exposure to zinc oxide nanoparticles: preliminary study, Nanotoxicology, Informa UK Limited, trading as Taylor & Francis Group, april 2021, 1-16, 2021
4 - Magda M.Ali & Sohair M. M. Ragab Ahmed Ibrahim, UsamaT. Mahmoud , Evaluation of the subcapsular technique for primary closure castration in donkeys (Equus asinus) , Scientific Reports - Nature, July, 2021
5 - Usama T. Mahmoud, Hosnia S. Abdel-Mohsein, Manal A. M. Mahmoud, Omar A. Amen, Rasha I. M. Hassan, Ashraf M. Abd-El-Malek, Sohair M. M. Rageb, Hanan S. A. Waly, Aly A. Othman & Mohamed A. Osman , Effect of zinc oxide nanoparticles on broilers’ performance and health status, Tropical Animal Health and Production , Usama T. Mahmoud, Hosnia S. Abdel-Mohsein, Manal A. M. Mahmoud, Omar A. Amen, Rasha I. M. Hassan, Ashraf M. Abd-El-Malek, Sohair M. M. Rageb, Hanan S. A. Waly, Aly A. Othman & Mohamed A. Osman , 12, 2020
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6 - Usama T. Mahmoud , Rasha I.M. Hassan , Omar Amen, Ghada S.E. Abdel-Raheem, Diya Al-Rammamneh, Effect of Prebiotic on the Behavioural Patterns, Performance, Carcass Characteristics, Antibody Titer and Some Blood Parameters of Mule Ducks , SVU- International Journal of Veterinary Sciences, 3 (1): 27-38, 2020, Usama T. Mahmoud , Rasha I.M. Hassan , Omar Amen, Ghada S.E. Abdel-Raheem, Diya Al-Rammamneh, SVU- International Journal of Veterinary Sciences, 3 (1): 27-38, 2020, 12, December, 2020
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7 - Usama T. Mahmoud & Hosnia S. Abdel-Mohsein & Manal A. M. Mahmoud & Omar A. Amen & Rasha I. M. Hassan & Ashraf M. Abd-El-Malek & Sohair M. M. Rageb & Hanan S. A. Waly & Aly A. Othman & Mohamed A. Osman, Effect of zinc oxide nanoparticles on broilers’ performance and health status, Tropical Animal Health and Production , Spriger, Tropical Animal Health and Production https://doi.org/10.1007/s11250-020-02229-2, 2043–2054, https://doi.org/10.1007/s11250-020-02229-2, February, 2020
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8 - Usama T. Mahmoud, Nasser S. Abou Khalil, Marwa S. A. El-Sayed , Acute Behavioral and Biochemical Responses of Sheep to S/C Ivermectin Injection, Acta fytotechn zootechn, 22 (1), 1-6, http://www.acta.fapz.uniag.sk, January, 2019
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9 - Ahmed Ibrahim a,*, Usama T. Mahmoudb, Nasser S. Abou Khalil c, Hussein A. Hussein d,Magda M. Ali a, A pilot study on surgical trimming impact on severely overgrown claws in sheep: Behavioral, physiological, and ruminal function aspects, Journal of Veterinary Behavior , Elsevier Inc., 23, 66-75, https://doi.org/10.1016/j.jveb.2017.10.011, January, 2018
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10 - Usama T. Mahmoud, Madeha H.A. Darwish, Effect of Pair Housing Versus Individual and Group Housing on Behavioural Patterns of Buffalo Calves, Journal of Advanced Veterinary Research, 8,1, 12-15, January, 2018
11 - Ahmed Ibrahim a,*, Usama T. Mahmoudb, Nasser S. Abou Khalil c, Hussein A. Hussein d,Magda M. Ali a, A pilot study on surgical trimming impact on severely overgrown claws in sheep: Behavioral, physiological, and ruminal function aspects, Journal of Veterinary Behavior, Elsevier Inc, 23, 66-75,, https://doi.org/10.1016/j.jveb.2017.10.011, January, 2018
12 - Mohamed F.A. Farghlya, Usama T. Mahmoudb, Access to outdoor swimming pond during summer season improved Muscovy ducks performance and health status, Livestock Science, elsevier, 211, 98-103, www.elsevier.com/locate/livsci, April, 2018
13 - Usama Taha Mahmoud, Madeha H.A. Darwish, Effect of Pair Housing Versus Individual and Group Housing on Behavioural Patterns of Buffalo Calves, Journal of Advanced Veterinary Research , 2018
14 - Sohair M. M. Rageb, Elham A. Abd-Allah, Nasser S. Abou Khalil, Fatma M. Abdel-Maksoud, Usama T. Mahmoud, Effects of mannan-oligosaccharide and β-glucan prebiotic on the brain oxidant/antioxidant balance in broilers under natural Egyptian summer conditions, Egyptian Academic Journal of Biological Sciences B. Zoology, 10 (1), 35- 46, www.eajbs.eg.net, 2018
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15 - Usama T. Mahmoud, Manal A. M. Mahmoud, Hosnia S. Abdel–Mohsein, Omar A. Amen , AGRIMOS® Prebiotics: Effect on Behavior, Performance, Cecal Microbial Population and Humeral Immunity in Broiler Chickens , Journal of Advanced Veterinary Research, 2018
16 - 3- Sohair M. M. Rageb1, Elham A. Abd-Allah, Nasser S. Abou Khalil, Fatma M. Abdel-Maksoud, Usama T. Mahmoud. (2018): , Effects of Mannan-oligosaccharide and β-Glucan Prebiotic on the Brain Oxidant/Antioxidant Balance in Broilers under Natural Egyptian Summer Conditions. , Egypt. Acad. J. Biolog. Sci., 10(1): 35- 46., 2018
17 - Usama T. Mahmoud1, Nasser S. Abou Khalil2*, Marwa S.A. Elsayed1, Behavioral and Physiological Effects of Mannan-oligosaccharide and β-glucan Prebiotic Combination on Heat Stressed Broiler Chickens, Journal of Advanced Veterinary Research, 7, 81-86, http://www.advetresearch.com/index.php/AVR/article/view/258/245, July, 2017
18 - Usama T. Mahmoud1, Rasha I. Hassan2, Ghada Sh. Abdel-Raheem2, Effect of prebiotic on the behavioral patterns of Mallard ducks, Conference: The 13th scientific conference of the zoological society A. R. Egypt, October, 2017
19 - Omar B. Ahmed, Usama T. Mahmoud, Manal A.M. Mahmoud, Mohamed R. Fath El-Bab, Histomorphological Changes Associated with Different Doses of Chinese Propolis in the Bursa of Fabricius of Chickens, Journal of Advanced Veterinary Research, Volume 6, Issue 1 , 1-6, http://www.advetresearch.com/index.php/avr/article/view/418, January, 2016
20 - U.T. MAHMOUD, H.W. CHENG and T.J. APPLEGATE, Functions of propolis as a natural feed additive in poultry, World's Poultry Science Journal,, Volume 72, Issue 1 , 37-48, https://doi.org/10.1017/S0043933915002731, March, 2016
21 - Omar Bauomy Ahmed, Usama Taha Mahmoud, Sara Elganady, Allam Mohamed Nafady & Salah Mohamed Hassan Afifi, Immunomodulatory effect of gelatin-coated silver nanoparticles in mice: Ultrastructural evaluation, Ultrastructural Pathology, http://dx.doi.org/10.1080/01913123.2016.1239666, 2016
22 - Arafat Khalphallah, Ashraf M. Abu-Seida, Mohammed Abdelhakiem, Enas Elmeligy and Usama T. Mahmoud, Laboratory, Radiographic and Ultrasonographic Findings of Acute Traumatic Reticuloperitonitis in Buffaloes (Bubalus bubalis), Asian Journal of Animal and Veterinary Advances , ISSN 1683-9919, DOI: 10.3923/ajava.2016, 2016
23 - U.T. MAHMOUD, O.A. AMEN1, D.H. SALEH, M.A. ABDEL-RAHMAN2, THE EFFECTS OF RAYEB MILK ON PERFORMANCE, BEHAVIOUR AND CECAL LACTOBACILLI COUNT IN BROILER CHICKENS DURING STARTER PERIOD, Assiut Vet. Med. J. (special issue) , Assiut Vet. Med., special issue, 1-5, http://www.aun.edu.eg/journal_files/542_J_9816.pdf, 2016
24 - UsamaT. Mahmoud, M.A. Abdel-Rahman, M. H.A. Darwish, T. J. Applegate, H. W. Cheng, Effect of propolis supplementations on behavioral activities of heat stressed broiler chickens, 2015 International Poultry Scientific Forum, January, 2015
25 - O.A. Amen, U. T. Mahmoud, M.A. Abdel-Rahman, M. H.A. Darwish, T. J. Applegate, H. W. Cheng, The effect of Brazilian propolis on serum thyroid hormones in broilers reared under chronic heat stress, 2015 International Poultry Scientific Forum, Georgia World Congress Center, Atlanta, Georgia, January, 2015
26 - Usama T. Mahmoud, M.A. Abdel-Rahman, M. H.A. Darwish, T. J. Applegate, H. W. Cheng, The effect of Brazilian Propolis on leg health in broilers reared under heat stress., 2015 International Poultry Scientific Forum, Georgia World Congress Center, Atlanta, Georgia, January, 2015
27 - Usama Taha Mahmouda, Mootaz Ahmed Mohamed Abdel-Rahman,Madeha Hosni Ahmed Darwish, Todd Jay Applegate, Heng-wei Cheng, Behavioral changes and feathering score in heat stressedbroiler chickens fed diets containing different levels ofpropolis, Applied Animal Behaviour Science, elsevier, 166, 98-105, March, 2015
28 - Usama Taha Mahmoud, Mootaz Ahmed Mohamed Abdel-Rahman, Madeha Hosni Ahmed Darwish, , Behavioral changes and feathering score in heat stressed broiler chickens fed diets containing different levels of propolis. , Applied Animal Behaviour Science, 2015
29 - Manal A.M. Mahmoud, Hosnia S. Abdel-Mohsein, Usama T. Mahmoud , Effect of Chinese Propolis Supplementation on Ross Broiler Chicks: Microbial Population in Fecal matter and Litter, Journal of Advanced Veterinary Research, 4(2), 77-84., http://advetresearch.com/index.php/avr/article/view/292/175, April, 2014
30 - Susan D. Eicher, H.W. Cheng, Usama T. Mahmoud, Propolis Reduces Expression of Cell Surface CD14 in Phagocytic Cells in Chickens during Heat Stress, 2014 Annual Joint Meeting of Society for Leukocyte Biology & International Endotoxin and Innate Immunity Society, Salt Lake City, Utah, USA., October, 2014
31 - U. T. Mahmoud, M. A. Abdel-Rahman, M. H. A. Darwish, T. J. Applegate, M. H. Rostagno, H. W. Cheng, The effect of Brazilian propolis on body weight, weight gain, and gut microflora in broilers reared under heat stress, Poultry Science Association 2014 Annual Meeting, Corpus Christi, Texas, USA, July, 2014
32 - Usama T. Mahmoud1, 2*, Mohamed R. Fahmey2, Mootaz A. Abdel-Rahman2, Madeha Hosney A. Darwish, Effect of Propolis Supplementation on Serum Calcium, Phosphorus and Proteins Concentrations in Heat Stressed Broilers , J.Advan. Vet, 4 (3), 117-122, January, 2014
33 - Usama T. Mahmoud, Mootaz A.M. Abdel-Rahman, Madeha H.A. Darwish , Effects of Propolis, Ascorbic Acid and Vitamin E on Thyroid and Corticosterone Hormones in Heat Stressed Broilers, J.Advan. Vet. Res, Vol. 4 (1), 18-27 , 2014
34 - Usama Mahmoud, M. A. Abdel-Rahman, M. H. A. Darwish, T. J. Applegate, M. H. Rostagno, H. W. Cheng, The effect of Brazilian propolis on body weight, weight gain, and gut microflora in broilers reared under heat stress. , Poultry Science Association 2014 Annual Meeting, Corpus Christi, Texas, USA, 2014
35 - Hosnia S Abdel–Mohsein, Manal A M Mahmoud, Usama T Mahmoud, Influence of Propolis on Intestinal Microflora of Ross Broilers Exposed to Hot Environment. , Advances in Animal and Veterinary Sciences , 2 (4), 204 – 211, http://dx.doi.org/10.14737/journal.aavs/2014/2.4.204.211, March, 2014
36 - Manal A.M. Mahmoud, Hosnia S. Abdel-Mohsein, Usama T. Mahmoud., Effect of Chinese Propolis Supplementation on Ross Broiler Chicks: Microbial Population in Fecal matter and Litter. , Journal of Advanced Veterinary Research, 2014
37 - Usama T. Mahmoud, Mootaz Ahmed Abdel-Rahman, Madeha Hosney A. Darwish, Gamal Mohamed Mosaad2, The Effect of Heat Stress on Blood Picture of Japanese Quail, Journal of Advanced Veterinary Research, 3, 69-76, February, 2013
38 - Usama T. Mahmoud, Mootaz Ahmed Abdel-Rahman, Madeha Hosney A. Darwish, The Effect of Chinese Propolis Supplementation on Ross Broiler Performance and Carcass Characteristics, Journal of Advanced Veterinary Research, 3, 154-160, October, 2013
39 - Usama T. Mohammed, Mootaz A.M. Abdel-Rahman, Madeha H. A. Darwish and Gamal M. M. Mosaad, Effect of heat stress on blood picture of Japanese quail , J.Advan. Vet. Res, Vol. 3, 69 - 76 , 2013
40 - Usama T. Mahmoud, Silver Nanoparticles in Poultry Production, Journal of Advanced Veterinary Research, 2, 303-306, July, 2012
41 - Usama T. Mohammed, Mootaz A.M. Abdel-Rahman, Madeha H. A. Darwish and Gamal M. M. Mosaad, The effect of separate-sex rearing of slaughter quail on serum corticosterone level , , J.Advan. Vet. Res., 2 (3) , 206-207, http://advetresearch.com/index.php/avr, 2012
42 - Mossad G.M., M.A. Abdel-Rahman, Madeha H. Darwish and U.T. Mahmoud , “Performance, Behaviour, Carcass Traits and Blood Constituents of Japanese Quails reared under heat stress”. , Assiut Veterinary Medical Journal , 56 no.126., June, 2010
43 - G.M. Mosaad; M. A. Abdel-Rahman; Madeha H. Darwish and U.T. Mahmoud , performance, behaviour, carcass traits and blood constituents of Japanese quails reared under heat stress , Assiut Vet. Med. J, 56 (126), 27-45 , 2010

Supervisions :

1- Mona Ahmed Mahmoud El sayed , Effect of Mannan-Oligosaccharides and β-Glucans Combination on Behaviour, Performance and Some Blood Parameters of Broiler Chickens Exposed to Heat Stress, M. Sc, 28 June 2017
Supervisors : Prof. Dr. Moataz A.M. Abdel Rahman prof Dr. Madeha H. Darwish Dr. Usama T. Mahmoud
Number of courses0 course