Prof. Ahmed Mohamed El-Waziry
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Prof. Ahmed Mohamed El-Waziry

Professor
Alexandria University, Egypt

Highest Degree
Ph.D. in Animal Nutrition and Biochemistry from Kagoshima University, Japan

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Biography

Dr. Ahmed Mohamed El-Waziry is currently working as Professor at Alexandria University, Egypt. He obtained his Ph.D. in Animal Nutrition and Biochemistry from Kagoshima University, Japan in 1997. His main research topics related to the Ecological and Biochemical Function of Rumen Microorganisms and the Nutritional and Biochemical Function of Ruminants; Utilization of Fibrous Residues in Ruminant Mixed Diets; Nutritional value of Protein in Ruminant Animals; Manipulation of Rumen Microorganisms, Feed Additives to improve the Utilization of Roughage and Concentrate Feedstuffs, studying the Degradation Kinetics of Fiber and Nitrogen in the Low-Quality Forages, the Effect of Nitrogen sources on the Degradability of Fiber Fraction, Evaluation of Feedstuffs using Gas Production Technique, and Meat Production and Quality. He is member of Egyptian Society Animal Production, Egyptian Society of Nutrition and Feeds, Saudi Biological Society, and Journals of Animal and Veterinary Advance Research. He is also member of editorial board in number of journals. He has 80 publications in journals contributed as author/co-author.

Area of Interest:

Animal and Veterinary Sciences
100%
Animal Nutrition
62%
Animal Feeding
90%
Animal Production
75%
Animal Physiology
55%

Research Publications in Numbers

Books
0
Chapters
0
Articles
0
Abstracts
0

Selected Publications

  1. El-Waziry, A., F. Alkoaik, A. Khalil, H. Metwally and R. Fulleros, 2016. Nutrient components and in vitro digestibility of treated and untreated date palm wastes with mushroom (Pleurotus florida). Adv. Anim. Vet. Sci., 4: 195-199.
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  2. Al-Atiyat, R.M., G. Suliman, E. AlSuhaibani, A. El-Waziry, A. Al-Owaimer and S. Basmaeil, 2016. The differentiation of camel breeds based on meat measurements using discriminant analysis. Trop. Anim. Health Prod., 48: 871-878.
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  3. El-Waziry, A., A. Al-Haidary, A. Okab, E. Samara and K. Abdoun, 2015. Effect of dietary seaweed (Ulva lactuca) supplementation on growth performance of sheep and on in vitro gas production kinetics. Turk. J. Vet. Anim. Sci., 39: 81-86.
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  4. Khalil, A.I., F.N. Alkoaik, M.A. Al-Mahasneh, R.B. Fulleros and A.M. El-Waziry, 2014. Physical, chemical and microbial changes during the composting of Conocarpus erectus residues. J. Pure Applied Microbiol., 8: 611-622.
  5. Alkoaik, F.N., A.I. Khalil, M.A. Al-Mahasneh, R.B. Fulleros and A.M. El-Waziry, 2014. Changes in colour and germination index as indicators for compost maturity. J. Pure Applied Microbiol., 8: 409-417.
  6. Al-Mahasneh, M., F. Alkoaik, A. Khalil, A. Al-Mahasneh, A. El-Waziry, R. Fulleros and T. Rababah, 2014. A generic method for determining moisture sorption isotherms of cereal grains and legumes using artificial neural networks. J. Food Process Eng., 37: 308-316.
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  7. Al-Mahasneh, M., F. AlKoaik, A. Khalil, R. Fulleros and A. El-Waziry, 2014. Effect of temperature on moisture sorption isotherms and monolayer moisture content of Bermuda grass (Cynodon dactylon). Bulgarian J. Agric. Sci., 20: 1289-1294.
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  8. Al Koaik, F., A.M. El-Waziry, A.I. Khalil, H. Metwally and M.A. Al-Mahasneh, 2014. Evaluation of conocarpus (Conocarpus erectus) leaves and bermuda grass (Cynodon dactylon L.) using chemical analysis and in vitro gas production technique. Bulgarian J. Agric. Sci., 20: 824-829.
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  9. Abdoun, K.A., A.B. Okab, A.M. El-Waziry, E.M. Samara and A.A. Al-Haidary, 2014. Dietary supplementation of seaweed (Ulva lactuca) to alleviate the impact of heat stress in growing lambs. Pak. Vet. J., 34: 108-111.
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  10. Samara, E.M., A.B. Okab, K.A. Abdoun, A.M. El-Waziry and A.A. Al-Haidary, 2013. Subsequent influences of feeding intact green seaweed Ulva lactuca to growing lambs on the seminal and testicular characteristics in rams. J. Anim. Sci., 91: 5654-5667.
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  11. El-Waziry, A.M., F. AlKoaik, A.I. Khalil, H. Metwally and M.A. Al-Mahasneh, 2013. Evaluation of tomato and cucumber wastes as alternative feeds for ruminants using gas production technique in vitro. Asian J. Anim. Vet. Adv., 8: 821-826.
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  12. El-Waziry, A.M., F. AlKoaik, A.I. Khalil, H. Metwally and M.A. Al-Mahasneh, 2013. Estimation of degradability kinetics, energy and organic matter digestibility of date palm (Phoenix dactylifera L.) leaves silage by in vitro gas production technique. Asian J. Anim. Vet. Adv., 8: 814-820.
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  13. El-Waziry, A.M., A.N. Al-Owaimer, S. Basmaeil, H. Metwally and G.M. Suliman, 2013. A comparative study on camel breeds for carcass characteristics and meat quality. Proceedings of the Conference of Sustainability of Camel Population and Production, February 17-20, 2013, Kingdom of Saudi Arabia, pp: 105-.
  14. El-Waziry, A.M., 2013. Effect of monensin on rumen fermentation, degradability and microbial nitrogen of mixed diet containing soybean meal by sheep. Proceedings of the 28th Meeting of the Saudi Biological Society, Eco-Tourism and Sustainable Development, April 9-11, 2013, Kingdom of Saudi Arabia, pp: 27-.
  15. Al-Owaimer, A., G. Suliman, A. El-Waziry, H. Metwally and M. Abouheif, 2013. Allometric growth patterns of body and carcass components in Ardhi goat. Int. J. Anim. Vet. Adv., 5: 183-189.
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  16. El-Waziry, A.M., A.N. Al-Owaimer, S. Basmaeil, H. Metwally and G.M. Suliman, 2012. Carcass characteristics and meat quality in four Saudi camel breeds. J. Anim. Vet. Adv., 11: 3100-3104.
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  17. El-Waziry, A.M., 2012. Synthesis of diaminopimelic acid, lysine and pipecolic acid from aspartic acid by rumen microorganisms. J. Anim. Vet. Adv., 11: 2038-2042.
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  18. El-Waziry, A.M., 2012. Lysine and pipecolic acid production from aspartic acid by Rumen microorganisms. Proceedings of the 27th Meeting of the Saudi Biological Society, Economics of Environment and Natural Resources, March 6-8, 2012, Kingdom of Saudi Arabia -.
  19. Basmaeil, S., A.M. El-Waziry and A.N. Al-Owaimer, 2012. Comparative study on camel breeds for growth and digestibility. Proceedings of the 3rd Conference of the International Society of Camelid Research and Development, January 29-February 1, 2012, Muscat, Sultanate of Oman, pp: 36-37.
  20. Basmaeil, S., A.M El-Waziry and A.N. Al-Owaimer, 2012. Growth and digestibility in four Saudi camel breeds. J. Anim. Vet. Adv., 11: 1067-1071.
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  21. Basmaeil, S. and A.M. El-Waziry, 2012. Feed additives in animal farm rations. Saudi Soc. Agric. Sci., 25: 1-40, (In Arabic).
  22. El-Waziry, A.M., A.N. Alowaimer, G.M. Suliman, E.S. Hussein and M.A. Abouheif, 2011. Performance, carcass characteristics and meat quality of intact and castrated ardhi goat kids fed high energy diet. J. Anim. Vet. Adv., 10: 2157-2162.
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  23. Almitairy, M.H., A.N. Alowaimer, A.M. El-Waziry and G.M. Suliman, 2011. Effects of feeding discarded dates on growth performance and meat quality traits of Nagdi lambs. J. Anim. Vet. Adv., 10: 2221-2224.
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  24. Alhomidy, S.N., S. Basmaeil, A.N. Al- Owaimer, A.M. El-Waziry and M. Koohmaraie, 2011. Effect of feeding different amounts of discarded dates on growth and efficiency of digestion in sheep. Aust. J. Basic Applied Sci., 5: 636-640.
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  25. Al-Owaimer, A.N., A.M. El-Waziry, M. Koohmaraie and S.M. Zahran, 2011. The use of ground date pits and Atriplex halimus as alternative feeds for sheep. Australian J. Basic Applied Sci., 5: 1154-1161.
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  26. Khir, A.A., A.A. Hussan, M.H.M. Yacout and A.M. El-Waziry, 2008. Protein degradability of sunflower meal as affected by heat, formaldehyde, polyethylene glycol treatments in the rumen of sheep. Egypt. J. Nutr. Feeds, 11: 127-143.
  27. Sallam, S.M.A., M.E.A. Nasser, A.M. El-Waziry, I.C.S. Bueno and A.L. Abdalla, 2007. Evaluation of some ruminant feedstuffs using gas production technique, in vitro. Proceedings of the British Society of Animal Science Annual Conference, April 2-4, 2007, Southport, UK., pp: 218-218.
  28. Sallam, S.M.A., M.E.A. Nasser, A.M. EL-Waziry, I.C.S. Bueno and A.L. Abdalla, 2007. Use of an in vitro rumen gas production technique to evaluate some ruminant feedstuffs. J. Applied Sci. Res., 3: 34-41.
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  29. Nasser, M.E.A., A.M. El-Waziry, S.M.A. Sallam and S.A.S. Mahmoud, 2007. Evaluation of jojoba meal as protein source for sheep. Agric. Res. J., 7: 1-7.
  30. El-Waziry, A.M., M.E.A. Nasser, S.M.A. Sallam, A.L. Abdalla and I.C.S. Bueno, 2007. Processing methods of soybean meal.2. Effect of autoclaving and quebracho tannin treated-soybean meal on gas production and rumen fermentation in vitro. J. Applied Sci. Res., 1: 17-24.
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  31. El-Waziry, A.M., 2007. Nutritive value assessment of ensiling or mixing Acacia and Atriplex using in vitro gas production technique. Res. J. Agric. Biol. Sci., 3: 605-614.
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  32. El-Waziry, A.M. and H.R. Ibrahim, 2007. Effect of Saccharomyces cerevisiae of yeast on fiber digestion in sheep fed berseem (Trifolium alexandrinum) hay and cellulase activity. Aust. J. Basic Applied Sci., 1: 379-385.
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  33. Sallam, S.M.A., M.E.A. Nasser, K. Ushida, K. Miyazaki and A.M. El-Waziry, 2006. Effect of some inhibitors on the activity of cellobiose phosphorylase and cellotriose phosphorylase in Ruminococcus flavefaciens 17. Res. J. Agric. Biol. Sci., 2: 178-182.
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  34. Nasser, M.E.A., S.M.A. Sallam, A.M. El-Waziry, A. Hagino, K. Katoh and Y. Obara, 2006. In vitro gas production measurements and estimated energy value and microbial protein to investigate associative effects of untreated or biological treated linen straw and berseem hay. Proceedings of the 2nd International Scientific Congress for Environment, March 28-30, 2006, Egypt, pp: 198-213.
  35. Sallam, S.M.A., M.E.A. Nasser, A.M. El-Waziry and M.I. Yousef, 2005. Economics of using recombinant bovine somatotropin in small ruminants. Egypt. J. Nutr. Feeds, 1: 156-160.
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  36. El-Waziry, A.M., R. Onodera and J.R. Ling, 2005. Determination of total and separate stereoisomers of diaminopimelic acid in five species and mixed rumen bacteria using high-performance liquid chromatography. Res. J. Agricul. Biol. Sci., 1: 67-71.
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  37. El-Waziry, A.M., M.E.A. Nasser and S.M.A. Sallam, 2005. Processing methods of soybean meal. 1-effect of roasting and tannic acid treated soybean meal on gas production and rumen fermentation in vitro. J. Applied Sci., 1: 313-320.
  38. El-Waziry, A.M., M.E.A. Nasser and S.M.A. Sallam, 2005. Effect of soybean meal processing on gas production and rumen fermentation. Egyp. J. Nutr. Feeds, 8: 647-663.
  39. El-Waziry, A.M., 2005. Effect of vitamin B6 on lysine synthesis from 2,6-diaminopimelic acid by mixed rumen protozoa and bacteria. Proceedings of the 56th Annual Meeting of the Eureopean Association for Animal Production in Uppsala, June 5-8, 2005, Sweden -.
  40. Nasser, M.E.A., S.M.A. Sallam, A.M. Allam and A.M. El-Waziry, 2004. Effect of encapsulated lysine and methionine on the performance of buffalo calves. J. Agric. Res. Tanta Univ., 30: 182-190.
  41. Kamel, H.E.M., J. Sekine, A.M. El-Waziry and M.H.M. Yacout, 2004. Effect of Saccharomyces cerevisiae on the synchronization of organic matter and nitrogen degradation kinetics and microbial nitrogen synthesis in sheep fed Berseem hay (Trifolium alexandrinum). Small Rumin. Res., 52: 211-216.
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  42. El-Waziry, A.M., H.E.M. Kamel, A.M. Allam, M.E.A. Nasser and S.M.A. Sallam, 2004. An in vitro study on the degradation of casein by rumen ciliate protozoa. Minufiya J. Agric. Res., 29: 73-82.
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  43. El-Waziry, A.M., 2003. The relationship between rumen bacteria and protozoa in lysine synthesis. Egypt. J. Nutr. Feeds, 6: 1107-1116.
  44. El-Waziry, A.M., 2002. Interrelationship between mixed rumen bacteria and protozoa on the in vitro degradation of protein. J. Agric. Sci., Mansoura Univ., 27: 8187-8194.
  45. El-Waziry, A.M., 2002. Effect of monensin supplementation on the digestion of mixed diet containing soybean meal as a protein source by sheep. J. Agric. Sci., Mansoura Univ., 27: 2861-2871.
  46. Borhami, B.E.A., G.E. Ali, W.G. Fahmy, A.M. El-Waziry and M.H. Yacout, 2002. Effect of different sources of protein on the utilization of diets containing water hyacinth fibrous residues. J. Agric. Sci., Mansoura Univ., 27: 2883-2890.
  47. El-Waziry, A.M. and H.E.M. Kamel, 2001. Effect of monensin supplementation on berseem hay-protein degradability, ruminal fermentation and microbial nitrogen synthesis in sheep. Egypt. J. Nutr. Feeds, 4: 3-12.
  48. Kamel, H.E.M., A.M. El-Waziry and J. Sekine, 2000. Effect of Saccharomyces cerevisiae on fibre digestion and ruminal fermentation in sheep fed berseem hay (Trifolium alexandrinum) as a sole diet. Asian-Aus. J Anim. Sci., 13: 139-142.
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  49. Kamel, H.E.M., A.M. El-Waziry and J. Sekine, 2000. A rapid technique for determination of total disappearance of dietary nitrogen in the digestive tract using washed fecal sample after freezing and thawing. Asian-Aus. J. Anim. Sci., 13: 313-316.
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  50. El-Waziry, A.M., H.E.M. Kamel and R. Onodera, 2000. Metabolism of aspartic acid by mixed rumen bacteria and protozoa. Proceedings of the 3rd All Africa Conference on Animal Agriculture, November 6-9, 2000, Alexandria, Egypt, pp: 137-142.
  51. El-Waziry, A.M., H.E.M. Kamel and M.H.M. Yacout, 2000. Effect of bakers yeast (S. cerevisiae) supplemen-tation to berseem (Trifolium Alexandrinum) hay diet on protein digestion and rumen fermentation of sheep. Egypt J. Nutr. Feeds, 3: 71-82.
  52. El-Waziry, A.M., H.E.M. Kamel and A.A. Nour, 1999. Relationship between entodiniomorphid and holotrich rumen protozoa of sheep on the degradation of casein. Egypt. J. Nutr. Feeds, 2: 49-55.
  53. Onodera, R.M.R. Amin and A.M. El-Waziry, 1997. Essential Amino Acid Metabolism by Rumen Microorganisms and its Application. In: Rumen Microbs and Digestive Physiology in Ruminants, Onodera, H. Itabashi, K. Ushida, H. Yano and Y. Yasaki (Eds.)., Science Society Press, Tokyo, Japan, pp: 83-94.
  54. Onodera, R., A.M. El-Waziry and J.R. Ling, 1997. Concerning the interaction of rumen microorganisms (1) Interrelationships between bacteria and protozoa in lysine synthesis in the rumen. Chikusan Kenkyu (Japanese J. Anim. Sci. Res.), 51: 810-816.
  55. El-Waziry, A.M., 1997. Effects of salinomycin and vitamin B (6) on the in vitro synthesis of lysine from the stereoisomers of 2, 6-diaminopimelic acid by mixed rumen protozoa, bacteria and their mixture. J. Gen. Applied Microbiol., 43: 109-114.
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  56. El-Waziry, A.M., Y. Tomita and R. Onodera, 1996. Measurement of total and separate stereoisomers of diaminopimelic acid in rumen bacteria by high-performance liquid chromatography. J. Chromatogr. B, 677: 53-59.
    PubMed  |  
  57. El-Waziry, A.M., R.M. Amin, J.R. Ling, Y. Tomita and R. Onodera, 1996. Metabolism of the three stereoisomers of 2,6-diaminopimelic acid by rumen microorganisms. Annales de Zootechnie, 45: 311-311.
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  58. El-Waziry, A.M. and R. Onodera, 1996. In vitro metabolism of the stereoisomers of 2,6-diaminopimelic acid by mixed rumen protozoa and bacteria. Curr. Microbiol., 33: 306-311.
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  59. Borhami, B.E.A., A.M. El-Waziry, M.I. Bassiouni and S.M. Zahran, 1994. Sources of protein and mixed diets utilization: Berseem fibrous residues based diets. Alex. J. Agric. Res., 39: 21-36.