Dr. Youssef Abd Elwahab Youssef Mohammed Attia
My Social Links

Dr. Youssef Abd Elwahab Youssef Mohammed Attia

Professor
Arid Land Agriculture Department, Faculty of Meteorology, Environment and Arid Land Agriculture, King Abdulaziz University, Saudi Arabia

Highest Degree
Ph.D. in Poultry Nutrition from Zagazig University, Egypt

Share this Profile

Biography

Dr. Youssef Abdelwahab Youssef Attia is currently working as Professor at Arid Land Agriculture Dept, Faculty of Meteorology, Environment and Arid Land Agriculture, King Abdulaziz University, Saudi Arabia and Professor of Poultry Production and Nutrition and Vice Dean for Community Development and Environmental Affairs, Faculty of Agriculture, Damanhour University, Damanhour, Egypt. He has completed his Ph.D. in Poultry Nutrition from Technische Universitat Munchen, Germany. Previously he was appointed as Assistant Researcher and Associate Researcher in Department of Poultry Nutrition, Animal Production Research Institute, Agricultural Research Centre, Ministry of Agriculture and Land Reclamation, and Associate Professor and Professor at Alexandria University. He is member of World Poultry Science Society, German branch, Egyptian Poultry Science Society, Egyptian Animal Science Society, Egyptian Animal Nutrition and Feeding Society and Egyptian Rabbits Science Society. He also attended number of national and international conferences. He also completed 3 research projects as principal investigator and member of project. He is also serving as member of editorial board and reviewer for number of journals. He has supervised several PhD and Masters level students. He has published 4 books and 178 research articles in journals contributed as author/co-author. Dr. Youssef Abdelwahab received honors includes NARP scholarship (USAID funded project) from Egyptian Ministry of Agriculture and Land Reclamation at the University of Georgia, Recognition Certificate from the Ministry of Agriculture and Land reclamation for his role as a PI for increasing and improving feedstuffs in poultry diets project, Egyptian Poultry Science Society Prize for the best Poultry research, Recognition by Marquis whos who in the world, 17th edition and many others.

Area of Interest:

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

Research Publications in Numbers

Books
0
Chapters
16
Articles
265
Abstracts
50

Selected Publications

  1. Piantedosi, D., A.T. Palatucci, A. Giovazzino, G. Ruggiero and V. Rubino et al., 2020. Effect of a weight loss program on biochemical and immunological profile, serum leptin levels, and cardiovascular parameters in obese dogs. Front. Vet. Sci., 10.3389/fvets.2020.00398.
    CrossRef  |  Direct Link  |  
  2. Korish, M.A. and Y.A. Attia, 2020. Evaluation of heavy metal content in feed, litter, meat, meat products, liver, and table eggs of chickens. Animals, Vol. 10. 10.3390/ani10040727.
    CrossRef  |  Direct Link  |  
  3. Hafez, H.M. and Y.A. Attia, 2020. Challenges to the poultry industry: current perspectives and strategic future after the covid-19 outbreak. Front. Vet. Sci., 10.3389/fvets.2020.00516.
    CrossRef  |  Direct Link  |  
  4. Attia1, Y.A., B.M. Abou-Shehema, A.A. Abdellah, O.M. Aly and A.S. El-Naggar, 2020. Effect of ascorbic acid and/or alpha-tocopherol fortification on semen quality, metabolic profile, antioxidants status, and DNA of roosters exposed to heat stress. J. Anim. Plant Sci., 30: 325-335.
    CrossRef  |  Direct Link  |  
  5. Attia, Y.A., M.A. Al-Harthi, M.A. Korish and M.H. Shiboob, 2020. Protein and amino acid content in four brands of commercial table eggs in retail markets in relation to human requirements. Animals, 10.3390/ani10030406.
    CrossRef  |  Direct Link  |  
  6. Attia, Y.A., M.A. Al-Harthi and H.M.A. El-Maaty, 2020. The effects of different oil sources on performance, digestive enzymes, carcass traits, biochemical, immunological, antioxidant, and morphometric responses of broiler chicks. Front. Vet. Sci., 10.3389/fvets.2020.00181.
    CrossRef  |  Direct Link  |  
  7. Attia, Y.A., M.A. Al-Harthi and H.M.A. El-Maaty, 2020. Calcium and cholecalciferol levels in late-phase laying hens: effects on productive traits, egg quality, blood biochemistry, and immune responses. Front. Vet. Sci., 10.3389/fvets.2020.00389.
    CrossRef  |  Direct Link  |  
  8. Attia, Y.A., M.A. Al-Harthi and A.S. El-Shafey, 2020. Influence of different time and frequency of multienzyme application on the efficiency of broiler chicken rearing and some selected metabolic indicators. Animals, 10.3390/ani10030450.
    CrossRef  |  Direct Link  |  
  9. Attia, Y.A., H. Al-Khalaifah, H.S.A. El-Hamid, M.A. Al-Harthi and A.A. El-shafey, 2020. Effect of different levels of multienzymes on immune response, blood hematology and biochemistry, antioxidants status and organs histology of broiler chicks fed standard and low-density diets. Front. Vet. Sci., 10.3389/fvets.2019.00510.
    CrossRef  |  Direct Link  |  
  10. Attia, Y.A., H. Al-Khalaifah, H.S.A. El-Hamid, M.A. Al-Harthi and A.A. El-Shafey, 2020. Growth performance, digestibility, intestinal morphology, carcass traits and meat quality of broilers fed marginal nutrients deficiency-diet supplemented with different levels of active yeast. Livestock Sci., 10.1016/j.livsci.2020.103945.
    CrossRef  |  Direct Link  |  
  11. Attia, Y.A., F. Bovera, J. Wang, M.A. Al-Harthi and W.K. Kim, 2020. Multiple amino acid supplementations to low-protein diets: effect on performance, carcass yield, meat quality and nitrogen excretion of finishing broilers under hot climate conditions. Animals, 10.3390/ani10060973.
    CrossRef  |  Direct Link  |  
  12. Attia, Y.A., F. Bovera, F. Iannaccone, M.A. Al-Harthi and A.A. Alaqil et al., 2020. Microbial and fungal phytases can affect growth performance, nutrient digestibility and blood profile of broilers fed different levels of non-phytic phosphorous. Animals, 10.3390/ani10040580.
    CrossRef  |  Direct Link  |  
  13. Attia, Y., M. El-kelawy, M. Al-Harthi and A. El-Shafey, 2020. Impact of multienzymes dose supplemented continuously or intermittently in drinking water on growth performance, nutrient digestibility, and blood constituents of broiler chickens. Animals, 10.3390/ani10030375.
    CrossRef  |  Direct Link  |  
  14. Al-Harthi, M.A., Y.A. Attia, A.S. El-Shafey and M.F. Elgandy, 2020. Impact of phytase on improving the utilisation of pelleted broiler diets containing olive by-products. Ital. J. Anim. Sci., 19: 310-318.
    CrossRef  |  Direct Link  |  
  15. AL-Sagan, A.A., S. Khalil, E.O.S. Hussein and Y.A. Attia, 2020. Effects of fennel seed powder supplementation on growth performance, carcass characteristics, meat quality, and economic efficiency of broilers under thermoneutral and chronic heat stress conditions. Animals, 10.3390/ani10020206.
    CrossRef  |  Direct Link  |  
  16. Mastellone, V., F. Bovera, N. Musco, V. Panettieri and G. Piccolo et al., 2019. Mirrors improve rabbit natural behavior in a free-range breeding system. Animals, 10.3390/ani9080533.
    CrossRef  |  Direct Link  |  
  17. Attia, Y.A., N.F. Addeo, A.A.H.E.A. Al-Hamid and F. Bovera, 2019. Effects of phytase supplementation to diets with or without zinc addition on growth performance and zinc utilization of white pekin ducks. Animals, 10.3390/ani9050280.
    CrossRef  |  Direct Link  |  
  18. Attia, Y.A., F. Bovera, A.E.A. Elhamid, S.A. Nagadi, M.A. Mandour and S.S. Hassan, 2019. Bee pollen and propolis as dietary supplements for rabbit: effect on reproductive performance of does and on immunological response of does and their offspring. J. Anim. Physiol. Anim. Nutr., 103: 959-968.
    CrossRef  |  Direct Link  |  
  19. Attia, Y., M. Al-Harthi and M. El-Kelawy, 2019. Utilisation of essential oils as a natural growth promoter for broiler chickens. Italian J. Anim. Sci., 18: 1005-1012.
    CrossRef  |  Direct Link  |  
  20. Hassan, S.S., Y.A. Attia, A.M.H. El-Sheikh and A.M. Abdelkader, 2018. Productive, egg quality and physiological responses of Gimmizah chicken as affected by magnetized water of different strengths. Egypt. Poult. Sci. J., 38: 51-64.
  21. Hassan, S.S., Y. Attia, E. Abd-El-Hamid, S.A. Nagadi and A. El-Ashry, 2018. Impact of increasing dietary oil concentrations with a constant energy level on the tolerance of broiler chickens to a high ambient temperature. Revista Mexicana de Ciencias Pecuarias, 9: 220-239.
    Direct Link  |  
  22. Attia, Y.A., A.A. El-Hamid, M.C. de Oliveira, K.I. Kamel, E.M. Qota, M.A. Al-Harthi and T.A. Sadaka, 2018. Soya lecithin and season affect the productive performance, nutrient digestibility, and blood constituents of growing rabbits. J. Anim. Feed Sci., 27: 36-43.
    Direct Link  |  
  23. Marono, S., R. Loponte, P. Lombardi, G. Vassalotti and M.E. Pero et al., 2017. Productive performance and blood profiles of laying hens fed Hermetia illucens larvae meal as total replacement of soybean meal from 24 to 45 weeks of age. Poult. Sci., 96: 1783-1790.
    CrossRef  |  Direct Link  |  
  24. Habashy, W.S., M.C. Milfort, K. Adomako, Y.A. Attia, R. Rekaya and S.E. Aggrey, 2017. Effect of heat stress on amino acid digestibility and transporters in meat-type chickens. Poult. Sci., 96: 2312-2319.
    CrossRef  |  Direct Link  |  
  25. Habashy, W.S., M.C. Milfort, A.L. Fuller, Y.A. Attia, R. Rekaya and S.E. Aggrey, 2017. Effect of heat stress on protein utilization and nutrient transporters in meat-type chickens. Int. J. Biometeorol., 61: 2111-2118.
    CrossRef  |  Direct Link  |  
  26. El-Hanoun, A.M., Y.A. Attia, M.A. Al-Harthi, H.I. Habiba and M.C. Oliveira, 2017. Magnetized drinking water improves productivity and blood parameters in geese. Revista Colombiana de Ciencias Pecuarias, 30: 209-218.
    Direct Link  |  
  27. El-Hanoun, A.M., W.A. Fares, Y.A. Attia and M.M. Abdella, 2017. Effect of magnetized well water on blood components, immune indices and semen quality of Egyptian male geese. Egypt. Poult. Sci., 37: 91-103.
  28. De Oliveira, M.C., S.C. Lima, S.A. Mesquita, J.A. Silva, Y.S. Gomes, Y.A. Attia and H.C. Oliveira, 2017. Nesting materials for does: Effect on nest building and performance in the first parturition. Revista Colombiana de Ciencias Pecuarias, 30: 308-315.
    Direct Link  |  
  29. Attia, Y.A., S.S. Hassan, A.E. Abd-El-Hamid and M.W. Radwan, 2017. Response of broiler chickens to dietary supplementation of ginger (Zingiber officinale) continuously or intermittently in comparison with prebiotics. Egypt. Poult. Sci. J., 37: 523-543.
  30. Attia, Y.A., S.H. Abd El Hamid, A.M. Ismaiel, M.C. de Oliveira, M.A. Al-Harthi, A.S. El-Naggar and G.A. Simon, 2017. Nitrate detoxification using antioxidants and probiotics in the diets of rabbits. Revista Colombiana de Ciencias Pecuarias. .
    Direct Link  |  
  31. Attia, Y.A., R.S. Hamed, F. Bovera, A.E. Abd El-Hamid, M.A. Al-Harthi and H.A. Shahba, 2017. Impact of supplementation with milk thistle seeds and rosemary leaves on semen quality, antioxidant status and reproductive performance of rabbit bucks. Anim. Reprod. Sci., 184: 178-186.
  32. Attia, Y.A., R.A. Hassan, A.E. Abd-El-Hamid and W.S. Selim, 2017. Utilization of different levels of distillers dried grains with solubles (DDGS) in local laying hen diets. Egypt. Poult. Sci. J., 37: 545-558.
  33. Attia, Y.A., M.A. Al-Harthi, M.A. Korish and M.M. Shiboob, 2017. Fatty acid and cholesterol profiles, hypocholesterolemic, atherogenic and thrombogenic indices of broiler meat in the retail market. Lipids Health Dis., Vol. 16. 10.1186/s12944-017-0423-8.
    CrossRef  |  
  34. Attia, Y.A., M.A. Al-Harthi, A.S. El-Shafey, Y.A. Rehab and W.K. Kim, 2017. Enhancing tolerance of broiler chickens to heat stress by supplementation with vitamin E, vitamin C and/or probiotics. Ann. Anim. Sci., 17: 1155-1169.
    CrossRef  |  Direct Link  |  
  35. Attia, Y.A., M.A. Al-Harthi and S.S. Hassan, 2017. Turmeric (Curcuma longa Linn.) as a phytogenic growth promoter alternative for antibiotic and comparable to mannan oligosaccharides for broiler chicks. Rev. Mex Cien. Pecu, 8: 11-21.
    CrossRef  |  Direct Link  |  
  36. Attia, Y.A., M.A. Al-Harthi and A.S. Elnaggar, 2017. Productive, physiological and immunological responses of two broiler strains fed different dietary regimens and exposed to heat stress. Italian J. Anim. Sci., 17: 686-697.
    CrossRef  |  Direct Link  |  
  37. Attia, Y.A., H. Al-Khalaifah, M.S. Ibrahim, A.A. Al-Hamid, M.A. Al-Harthi and A. El-Naggar, 2017. Blood hematological and biochemical constituents, antioxidant enzymes, immunity and lymphoid organs of broiler chicks supplemented with propolis, bee pollen and mannan oligosaccharides continuously or intermittently. Poult. Sci., 96: 4182-4192.
    CrossRef  |  Direct Link  |  
  38. Attia, Y.A., F. Bovera, A.E.H.E. Abd-El-Hamid, A.E.E. Tag El-Din, M.A. Al-Harthi, A. Nizza and R.M. Elharidy, 2017. Effect of dietary protein concentrations, amino acids and conjugated linoleic acid supplementations on productive performance and lipid metabolism of broiler chicks. Italian J. Anim. Sci., 16: 563-572.
    CrossRef  |  Direct Link  |  
  39. Attia, Y.A., A.E.E. Abd-Elhamid, M. Mustafa, M.A. Al-Harthi and M. Muhammad, 2017. Response of slow-growing chickens to feed restriction and effects on growth performance, blood constituents and immune markers. Revista Mexicana de Ciencias Pecuarias, 8: 175-184.
    Direct Link  |  
  40. Attia, Y.A., A.A. Bakhashwain and N.K. Bertu, 2017. Thyme oil (Thyme vulgaris L.) as a natural growth promoter for broiler chickens reared under hot climate. Italian J. Anim. Sci., 16: 275-282.
    CrossRef  |  Direct Link  |  
  41. Attia, Y.A. and S.S. Hassan, 2017. Broiler tolerance to heat stress at various dietary protein/energy levels. Eur. Poult. Sci., Vol. 81. 10.1399/eps.2017.171.
    CrossRef  |  Direct Link  |  
  42. Oliveira, M.C.D., D.M.D. Silva, W.A. Marchesin, Y.A.E.W. Attia, S.C.O. Lima and H.C. Oliveira, 2016. Pequi peel flour in diets for Japanese quail. Acta Sci. Anim. Sci., 38: 101-106.
    CrossRef  |  
  43. Attia, Y.A., W.S. Al-Tahawy, M.C. de Oliveira, M.A. Al-Harthi, A.A.E. Tag El-Din and M.I. Hassan, 2016. Response of two broiler strains to four feeding regimens under hot climate. Anim. Prod. Sci., 56: 1475-1483.
    CrossRef  |  Direct Link  |  
  44. Attia, Y.A., M.A. Al-Harthi, M.A. Korish and M.M. Shiboob, 2016. Evaluation of the broiler meat quality in the retail market: Effects of type and source of carcasses. Revista Mexicana De Ciencias Pecuarias, 7: 321-339.
  45. Attia, Y.A., F. Bovera, A.E. Abd El‐Hamid, A.E. Tag El‐Din, M.A. Al‐Harthi and A.S. El‐Shafy, 2016. Effect of zinc bacitracin and phytase on growth performance, nutrient digestibility, carcass and meat traits of broilers. J. Anim. Physiol. Anim. Nutr., 100: 485-491.
    CrossRef  |  Direct Link  |  
  46. Attia, Y.A., A.EH.E. Abd El-Hamid, A.A. Abedalla, M.A. Berika and M.A. Al-Harthi et al., 2016. Laying performance, digestibility and plasma hormones in laying hens exposed to chronic heat stress as affected by betaine, vitamin C and/or vitamin E supplementation. SpringerPlus, Vol. 5. 10.1186/s40064-016-3304-0.
    CrossRef  |  
  47. Al-Harthi, M.A. and Y.A. Attia, 2016. Effect of citric acid on the nutritive value of olive cake in broiler diets. Eur. Poult. Sci., Vol. 80. 10.1399/eps.2016.153.
    CrossRef  |  
  48. Marono, S., G. Piccolo, R. Loponte, C. Di Meo, Y.A. Attia, A. Nizza and F. Bovera, 2015. In vitro crude protein digestibility of Tenebrio molitor and Hermetia illucens insect meals and its correlation with chemical composition traits. Ital. J. Anim. Sci., 14: 338-343.
    CrossRef  |  Direct Link  |  
  49. Fulvia, B., G. Piccolo, L. Gasco, S. Marono and R. Loponte et al., 2015. Use of Tenebrio molitor larvae meal as protein source in broiler diet: Effect on growth performance, nutrient digestibility, carcass and meat traits. J. Anim. Sci., (In Press). 10.2527/jas.2015-9201.
    CrossRef  |  
  50. Bovera, F., G. Piccolo, L. Gasco, S. Marono and R. Loponte et al., 2015. Yellow mealworm larvae (Tenebrio molitor, L.) as a possible alternative to soybean meal in broiler diets. Br. Poult. Sci., 56: 569-575.
    CrossRef  |  Direct Link  |  
  51. Attia, Y.A., R.S. Hamed, A.E. Abd El-Hamid, H.A. Shahba and F. Bovera, 2015. Effect of inulin and mannanoligosaccharides in comparison to zinc-bacitracin on growing performance, nutrient digestibility and hematological profiles of growing rabbits. Anim. Prod. Sci., 55: 80-86.
    Direct Link  |  
  52. Attia, Y.A., R.S. Hamed, A.E. Abd Al-Hamid, M.A. Al-Harthi, H.A. Shahba and F. Bovera, 2015. Performance, blood profile, carcass and meat traits and tissue morphology in growing rabbits fed mannanoligosaccharides and zinc-bacitracin continuously or intermittently. Anim. Sci. Pap. Rep., 33: 85-101.
    Direct Link  |  
  53. Attia, Y.A., M.A. Al-Harthi, M.A. Korish and M.M. Shiboob, 2015. Fatty acid and cholesterol profiles and hypocholesterolemic, atherogenic and thrombogenic indices of table eggs in the retail market. Lipids Health Dis., Vol. 14. 10.1186/s12944-015-0133-z.
    CrossRef  |  Direct Link  |  
  54. Attia, Y.A., F. Bovera, W.S. El-Tahawy, A.M. El-Hanoun, M.A. Al-Harthi and H.I. Habiba, 2015. Productive and reproductive performance of rabbits does as affected by bee pollen and/or propolis, inulin and/or mannan-oligosaccharides. World Rabbit Sci., (In Press). 10.4995/wrs.2015.3644.
    CrossRef  |  
  55. Attia, Y.A., A.E. Abd El-Hamid, A.M. El-Hanoun, M.A. Al-Harthi, G.M. Abdel-Rahman, and M.M. Abdella, 2015. Responses of the fertility, semen quality, blood constituents, immunity and antioxidant status of Rabbit bucks to type and magnetizing of water. Ann. Anim. Sci., 15: 387-407.
    CrossRef  |  Direct Link  |  
  56. Attia, Y.A., A.E. Abd Al-Hamid, H.F. Allakany, M.A. Al-Harthi and N.A. Mohamed, 2015. Necessity of continuing of supplementation of non-nutritive feed additive during days 21-42 of age following 3 weeks of feeding aflatoxin to broiler chickens. J. Applied Anim. Res., 44: 87-98.
    CrossRef  |  Direct Link  |  
  57. Attia, Y.A. and M.A. Al-Harthi, 2015. Nigella seed oil as an alternative to antibiotic growth promoters for broiler chickens. Eur. Poult. Sci., Vol. 79. 10.1399/eps.2015.80.
    CrossRef  |  Direct Link  |  
  58. Attia, Y.A. and M.A. Al-Harthi, 2015. Effect of supplementation of date waste to broiler diets on performance, nutrient digestibility, carcass characteristics and physiological parameters. Eur. Poult. Sci., Vol. 79. 10.1399/eps.2015.91.
    CrossRef  |  Direct Link  |  
  59. Al-Harthi, M.A. and Y.A. Attia, 2015. Effect of citric acid on the utilization of olive cake diets for laying hens. Ital. J. Anim. Sci., 14: 394-402.
    CrossRef  |  Direct Link  |  
  60. Bovera, F., F. Iannaccone, G. Piccolo, C. Di Meo and F. Russo et al., 2014. Effect of group size on performance and egg quality of laying hens during 20 to 36 weeks of age. Italian J. Anim. Sci., 13: 215-220.
    CrossRef  |  
  61. Attia, Y.A., A.M. El-Hanoun, F. Bovera, G. Monastra, W.S. El-Tahawy and H.I. Habiba, 2014. Growth performance, carcass quality, biochemical and haematological traits and immune response of growing rabbits as affected by different growth promoters. J. Anim. Physiol. Anim. Nutr., 98: 128-139.
    CrossRef  |  PubMed  |  Direct Link  |  
  62. Attia, Y.A., A.E. Abd Al-Hamid, M.S. Ibrahim, M.A. Al-Harthi, F. Bovera and A. El-Naggar, 2014. Productive performance, biochemical and hematological traits of broiler chickens supplemented with propolis, bee pollen and mannan oligosaccharides continuously or intermittently. Livest. Sci., 164: 87-95.
    CrossRef  |  Direct Link  |  
  63. Bovera, F., A. Lestingi, G. Piccolo, F. Iannaccone, Y.A. Attia and A. Tateo, 2013. Effect of water restriction on growth performance, feed nutrient digestibility, carcass and meat traits of rabbits. Animal, 7: 1600-1606.
  64. Attia, Y.A., H.F. Allakany, A.E. Abd Al-Hamid, A.A. Al-Saffar, R.A. Hassan and N.A. Mohamed, 2013. Capability of different non-nutritive feed additives on improving productive and physiological traits of broiler chicks fed diets with or without aflatoxin during the first 3 weeks of life. J. Anim. Physiol. Anim. Nutr., 97: 754-772.
    PubMed  |  
  65. Attia, Y.A., E.M. Qota, H.S. Zeweil, F. Bovera, A.E. Abd Al-Hamid and M.D. Sahledom, 2013. Effect of dietary amounts of inorganic and organic zinc on productive and physiologic traits of White Pekin ducklings. Animal, 7: 895-900.
  66. Attia, Y.A., A.E.A. El-Hamid, H.F. Ellakany, F. Bovera, M.A. Al-Harthi and S.A. Ghazaly, 2013. Growing and laying performance of Japanese quail fed diet supplemented with different concentrations of acetic acid. Ital. J. Anim. Sci., 12:e37: 222-230.
    Direct Link  |  
  67. Attia, Y.A., A.E. Abd El Hamid, A.M. Ismaiel and A.S. El Nagar, 2013. The detoxication of nitrate by two antioxidants or a probiotic and the effects on blood and seminal plasma profiles and reproductive function of NZW rabbit bucks. Animal, 7: 591-601.
    PubMed  |  
  68. Motawe, H.F.A., T.M. El-Afifi, H.M.A. Hassan and Y.A. Attia, 2012. Addition of phytase to broiler diets contained different lysine levels. Egypt. Poult. Sci., 32: 117-130.
    Direct Link  |  
  69. Ghanem, H.H., W.S. El-Tahawy, Y.A. Attia and A.N. Nawar, 2012. Developing a three-way cross of chickens to improve egg production traits. 1- Heterosis effect and analysis of DNA plymorphism using RAPD-PCR. Egypt. Poult. Sci., 32: 547-560.
  70. El-Katcha, M.I., Y.A. Attia, R.S. Shewita and Y.M. Rehab, 2012. Productive, biochemical and immune responses of broiler chickens exposed to chronic heat stress when supplemented with Vitamin E and/or C, probiotic without or with both vitamins. Alex. J. Vet. Sci., 37: 327-336.
  71. El-Hanoun, A.M., Y.A. Attia, H.A.M. Gad and M.M. Abdella, 2012. Effect of different managerial systems on productive and reproductive traits, blood plasma hormones and serum biochemical constituents of geese. Animal, 6: 1795-1802.
    CrossRef  |  PubMed  |  Direct Link  |  
  72. Attia, Y.A., W.S. El-Tahawy, A.E.E. Abd El-Hamid, S.S. Hassan, A. Nizza and M.I. El-Kelaway, 2012. Effect of phytase with or without multienzyme supplementation on performance and nutrient digestibility of young broiler chicks fed mash or crumble diets. Ital. J. Anim. Sci., 11: 303-308.
    CrossRef  |  Direct Link  |  
  73. Attia, Y.A., H.F. Ellakany, A.E. Abd El-Hamid, B. Fulvia and S.A. Ghazaly, 2012. Control of Salmonella enteritidis infection in male layer chickens by acetic acid and/or prebiotics, probiotics and antibiotics. Arch. Geflugelk., 76: 239-245.
    Direct Link  |  
  74. Attia, Y.A., E.M. Qota, H.S. Zeweil, F. Bovera, A.E. Abd Al-Hamid and M.D. Sahledom, 2012. Effect of different dietary concentrations of inorganic and organic copper on growth performance and lipid metabolism of White Pekin male ducks. Br. Poult. Sci., 53: 77-88.
  75. Attia, Y.A. and K.I. Kamel, 2012. Semen quality, testosterone, seminal plasma biochemical and antioxidant profiles of rabbit bucks fed diets supplemented with different concentrations of soybean lecithin. Animal, 6: 824-833.
    CrossRef  |  Direct Link  |  
  76. Al-Saffar, A.E., Y.A. Attia, M.B. Mahmoud, H.S. Zewell and F. Bovera, 2012. Productive and reproductive performance and egg quality of laying hens fed diets containing different levels of date pits with enzyme supplementations. Trop. Anim. Health Prod., 45: 327-334.
    CrossRef  |  PubMed  |  Direct Link  |  
  77. El-Deek, A.A., M.A. Al-Harthi and Y.A. Attia, 2011. Effect of different dietary levels of dried eggs by-product without or with shell on the performance of laying strain chicks from 2 to 8 wk of age. Archiv. Fur Geflugelkunde, 75: 20-29.
  78. Bovera, F., S. Marono, C. Di Meo, F. Iannaccone, Y.A. Attia and A. Nizza, 2011. Comparison of caecal and faeces fermentation characteristics of ostrich by in vitro gas production technique. Acta Agriculturae Scandinavica, 61: 72-79.
  79. Attia, Y.A., R.A. Hassan, A.E. Tag El-Din and B.M. Abou-Shehema, 2011. Effect of ascorbic acid or increasing metabolizable energy level with or without supplementation of some essential amino acids on productive and physiological traits of slow-growing chicks exposed to chronic heat stress. J. Anim. Physiol. Anim. Nutr., 95: 744-755.
    CrossRef  |  PubMed  |  Direct Link  |  
  80. Attia, Y.A., M.A. Berika, A.E. Abd El-Hamid and B.M. Abo Shemhia, 2011. Effect of Betaine with or without two antioxidants on the performance of dual purpose breeding hens exposed to heat stress. J. Agric. Environ. Sci., 10: 73-107.
  81. Attia, Y.A., H.S. Zeweil, A.A. Alsaffar and A.S. El-Shafy, 2011. Effect of non-antibiotic feed additives as an alternative to flavomycin on broiler chickens production. Archiv. Fur Geflugelkunde, 75: 40-48.
  82. Attia, Y.A., A.A. Abdalah, H.S. Zeweil, F. Bovera, A.A. Tag El-Din and M.A. Araft, 2011. Effect of inorganic or organic copper additions on reproductive performance, lipid metabolism and morphology of organs of dual-purpose breeding hens. Archiv Geflugelkunde, 75: 169-178.
    Direct Link  |  
  83. Attia, Y.A., A. Al-Hanoun, A.E. Tag El-Din, F. Bovera and Y.E. Shewika, 2011. Effect of bee pollen on productive, reproductive performance and blood traits on NZW rabbits. J. Anim. Physiol. Anim. Nutr., 95: 294-303.
  84. Attia, Y.A., A. Al-Hanoun and F. Bovera, 2011. Effect of different levels of bee pollen on performance and blood profile of New Zealand White bucks and growth performance of their offspring during summer and winter months. J. Anim. Physiol. Anim. Nutr., 95: 17-26.
  85. Al-Harthi, M.A., A.A. El-Deek and Y.A. Attia, 2011. Impacts of dried whole eggs on productive performance, quality of fresh and stored eggs, reproductive organs and lipid metabolism of laying hens. Br. Poult. Sci., 52: 333-344.
  86. El-Deek, A.A., Y.A. Attia and M.A. Al-Harthi, 2010. Including whole inedible date in grower-finisher broiler diets and the impact on productive performance, nutrient digestibility and meat quality. Animal, 4: 1647-1652.
  87. El-Deek, A.A., M.S. El-Deen, S.M. Hamdy, M.A. Asar, H.M. Yakout and Y.A. Attia, 2010. Effect of different dietary levels of NaCl and KCl on performance of broiler chicks fed plant diets. Egypt. Poult. Sci., 29: 907-921.
    Direct Link  |  
  88. Attia, Y.A., S.E. Aggrey, W.S. El-Tahawy and W.S. Habashy, 2010. Compensatory growth of two broiler strains following thermal conditioning and crude protein regimen up to day 21 of life. J. Agric. Environ. Sci. Dam Univ., 9: 70-90.
  89. Attia, Y.A., E.M. Qota, F. Bovera, A.E. Tag El-Din and S.A. Mansour, 2010. Effect of amount and source of manganese and/or phytase supplementation on productive and reproductive performance and some physiological traits of dual purpose-cross-bred hens in the tropics. Br. Poult. Sci., 51: 235-245.
    PubMed  |  
  90. Attia, Y.A., A.E. Abd El Hamid, F. Bovera and M.I.M. El-Sayed, 2010. Oral glucose supplementation improved semen quality and constituents of seminal and blood plasma of NZW buck rabbits in the subtropics. Open Access Anim. Physiol., 2: 81-85.
  91. Attia, Y.A., A.A. Abdalah, H.S. Zeweil, F. Bovera, A.A.T. El-Din and M.A. Araft, 2010. Effect of inorganic or organic selenium supplementation on productive performance, egg quality and some physiological traits of dual-purpose breeding hens. Cezh J. Anim. Sci., 55: 505-519.
    Direct Link  |  
  92. Al-Harthi, M.A., A.A. El-Deek and Y.A. Attia, 2010. Utilization of dried whole eggs processed by different methods with or without growth promoting mixture on performance and lymphoid organs of broiler chicks. Int. J. Poult. Sci., 9: 511-520.
    CrossRef  |  Direct Link  |  
  93. El-Deek, A.A., Safa M. Hamdy, Y.A. Attia and A.M. El-Shahat, 2009. Guava by-product meal processed in various ways and fed in differing amounts as a component in laying hen diets. Int. J. Poult. Sci., 8: 866-874.
    CrossRef  |  Direct Link  |  
  94. El-Deek, A.A., S.M. Hamdy, Y.A. Attia and M.M. Khalifah, 2009. Nigella sativa seed oil meal as a source of plant protein in broiler diets. Egypt. Poult. Sci. J., 29: 39-52.
  95. El-Deek, A.A., M.S. El-Deen, S.M. Hamdy, M.A. Asar, H.M. Yakout and Y.A. Attia, 2009. Effect of different dietary levels of NaCl on the performance of broiler chickens fed practical and plant diets. Egypt. Poult. Sci. J., 29: 887-905.
    Direct Link  |  
  96. Behie Eldin, M.M., W.S. ElTahawy, Y.A. Attia and M.A. Meky, 2009. Inheritance of age at sexual maturity and its relationship with some productive traits of Japanese quails. Egypt. Poult. Sci. J., 28: 1217-1232.
    Direct Link  |  
  97. Attia, Y.A., R.A. Hassan and E.M.A. Qota, 2009. Recovery from adverse effects of heat stress on slow-growing chicks in the tropics 1: Effect of ascorbic acid and different levels of betaine. Trop. Anim. Health Prod., 41: 807-818.
    CrossRef  |  Direct Link  |  
  98. Attia, Y.A., A.S. Hussein, A.E.T. El-Din, E.M. Qota and A.M. El-Sudany, 2009. Improving productive and reproductive performance of dual purpose crossbred hens in the tropics by lecithin supplementation. Trop. Anim. Health Prod., 41: 461-475.
    PubMed  |  
  99. Attia, Y.A., A.E. Abd El Hamid, F. Bovera and M.I.M. El-Sayed, 2009. Reproductive and productive performance of rabbit does submitted to an oral glucose supplementation. Animal, 3: 1401-1407.
    PubMed  |  
  100. Al-Harthi, M.A., A.A. El-Deek, Y.A. Attia, F. Bovera and E.M. Qota, 2009. Effect of different dietary levels of mangrove (Laguncularia racemosa) leaves and spices supplementations on productive performance, egg quality, lipids metabolism and metabolic profiles in laying hens. Br. Poult. Sci., 50: 700-708.
  101. Attia, Y.A., A.E.R.E.T. El-Din, H.S. Zeweil, A.S. Hussein and M.A. Arafat, 2008. The effect of supplementation of enzyme on laying and reproductive performance in Japanese Quail hens fed nigella seed meal. J. Poult. Sci., 45: 110-115.
  102. Attia, Y.A., E.M.A. Qota, A.E. Abd El-Hamid and T.A. Sadaka, 2007. The response of slow growing-chicks to the supplementations with different methionine levels and/or two types of enzymes. Emir. J. Food Agric., 19: 48-63.
    Direct Link  |  
  103. Attia, Y.A., B.M. Bohmer and D.A. Roth-Maier, 2006. Responses of broiler chicks raised under constant relatively high ambient temperature to enzymes, amino acid supplementations, or a high-nutrient diet. Archiv Geflugelkunde, 70: 80-91.
    Direct Link  |  
  104. Abd El-Hamid, A.E., Y.A. Attia, M.A. Mandour and W.S. El-Tahawy, 2006. Blood biochemical and semen quality profile in transgenic local chickens. J. Agric. Environ. Sci., 5: 104-124.
  105. Hassan, R.A., Y.A. Attia and E.H. El-Ganzory, 2005. Growth, carcass quality and serum constituents of slow growing chicks as affected by betaine addition to diets containing 1. Different levels of choline. Int. J. Poult. Sci., 4: 840-850.
    CrossRef  |  Direct Link  |  
  106. El-Ghamry, A.A., M.A. Al-Harthi and Y.A. Attia, 2005. Possibility to improve rice polishing utilisation in broiler diets by enzymes or dietary formulation based on digestible amino acids. Arch. Geflugelkunde, 69: 49-56.
    Direct Link  |  
  107. Attia, Y.A., R.A. Hassan, M.H. Shehatta and S.B. Abd-El-Hady, 2005. Growth, carcass quality and serum constituents of slow growing chicks as affected by betaine addition to diets containing 2. Different levels of methionine. Int. J. Poult. Sci., 4: 856-865.
    CrossRef  |  Direct Link  |  
  108. Abd El-Hamid, A.E., Y.A. Attia, E. Al-Nasery and N.A. Mohamed, 2005. Physiological and productive response to heat stress of Japanese quail. J. Agric. Environ. Sci., 5: 107-126.
  109. El-Deek, A.A., Y.A. Attia and A.A. Soliman, 2003. Productivity response of broiler breeder hens when fed practical or vegetable diets containing high levels of barley, sunflower meal or barley and sunflower meal without or with enzyme mixture supplementation 3-Barley and undehulled sunflower meal. Mansoura Univ. J. Agric. Sci., 28: 2525-2537.
  110. El-Deek, A.A., Y.A. Attia and A.A. Soliman, 2003. Productivity response of broiler breeder hens when fed practical or vegetable diets containing high levels of barley, sunflower meal or barley and sunflower meal without or with enzyme mixture supplementation 2-undehulled sunflower meal. Assiut. J. Agric. Sci., 34: 181-198.
  111. El-Deek, A.A., Y.A. Attia and A.A. Soliman, 2003. Productivity response of broiler breeder hens when fed practical or vegetable diets containing high levels of barley, sunflower meal or barley and sunflower meal without or with enzyme mixture supplementation 1-Barley. Egypt. Poult. Sci. J., 23: 239-257.
  112. El-Deek, A.A., M.A. Al-Harthi, Y.A. Attia and M.M. Hannfy, 2003. Effect of anise (Pimpinella anisum), fennel (Foeniculum vulgare) and ginger (Zingiber oscinale Roscoe) on growth performance, carcass criteria and meat quality of broilers. Agric. F Gef., 67: 92-96.
  113. El-Deek, A.A., G.M. Hassan, A.M. Nour, Y.A. Attia and H.M. El-Shafey, 2003. Impact of ideal fish meal level on growth performance, carcass quality and plasma constituents of male Muscovy ducks. J. Agric. Environ. Sci., 2: 107-126.
  114. Attia, Y.A., M.A. Al-Harthi and A.A. El-Deek, 2003. Nutritive value of undehulled sunflower meal as affected by multienzyme supplementation to broiler diets. Archiv fur Geflugelkunde, 67: 97-106.
    Direct Link  |  
  115. Attia, Y.A., E.M.A. Qota, F.A.M. Aggoor and A.K. Kies, 2003. Value of rice bran, its maximal utilization and upgrading by phytase and other enzymes and diet-formulation based on available amino acid for broiler chicks. Arch. Geflugelkunde, 67: 157-166.
  116. Attia, Y.A., 2003. Responses of growth performance, carcass characteristics, meat quality and plasma constituents of male Campbell ducks to dietary levels of methionine and phytase and their interactions. Egypt. Poult. Sci. J., 23: 557-580.
  117. Attia, Y.A., 2003. Performance, carcass characteristics, meat quality and plasma constituents of meat type drakes fed diets containing different levels of lysine with or without a microbial phytase. Arch. Ani. Nutr., 66: 39-48.
    PubMed  |  
  118. Attia, Y.A., 2003. Nutritional values of soaked linseed cake and its iinclusion in finishing diets for male broiler chicks a source of protein and n-3 fatty acids. Egypt. Poult. Sci., 23: 739-759.
  119. El-Deek A.A., M.A.Al-Harthi, Y.A. Attia, H.E. Ehsan and E.Y. Sherif, 2002. Use of dried giant snail meal (Theba pisana ) in broiler diets. Archiv Fur Geflugelkunde, 66: 224-231.
    Direct Link  |  
  120. Abd El-Rahman, S.A. and Y.A. Attia, 2002. Response of norfa white egg breeders to amino acid supplementations to low protein diets. Archiv Fur Geflugelkunde, 66: 35-42.
  121. Abd El-Rahman, S.A. and Y.A. Attia, 2002. Response of Norfa laying hens to amino acid supplementation to low protein diets. Mansoura Univ. J. Agric. Sci., 26: 3531-3545.
  122. Attia, Y.A., S.A. Abd El-Rahman and E.M.A. Qota, 2001. Effects of microbial phytase without or with cell-wall splitting enzymes on the performance of broilers fed marginal levels of dietary protein and metaboilzable energy. Egypt. Poult. Sci. J., 21: 521-547.
  123. Attia, Y.A., S.A. Abd El-Rahman and A.K. Kies, 2001. Utilization of vegetable diets containing different levels of rice bran with or without commercial enzymes in Norfa laying hen diets. Mansoura Univ. J. Agric. Sci., 26: 3557-3577.
  124. Attia, Y.A. and S.A. Abd El-Rahman, 2001. Impact of multienzymes or yea sacc supplementation on growth performance and some carcass parameters of broiler chicks fed triticale containing-diets. Archiv Fur Geflugelkunde, 65: 168-168.
  125. Attia, Y.A. and F.A.M. Aggoor, 2000. Nutritive value of locally produced fish-processing residual in the Roaster diets. Egypt. Poult. Sci. J., 20: 1-23.
  126. Aggoor, F.A.M., Y.A. Attia and E.M.A. Qota, 2000. A study on the energetic efficiency of different fat sources and levels in broiler chick vegetable diets. Mansoura Univ. J. Agric. Sci., 25: 801-820.
  127. El-Deek, A.A., M.A. Abaza, M. Osman, Y.A. Attia and A.M. Khalaf Alah, 1999. Inclusion of sunflower meal and commercial enzymes to egg type strain ration during growth period 2-Effects on laying performance, internal egg and shell qualities and economic returns. Egypt. Poult. Sci. J., 19: 449-467.
  128. El-Deek, A.A., M. Osman, M.A. Abaza, Y.A. Attia and A.M. Khalaf Alah, 1999. Inclusion of sunflower meal and commercial enzyme to egg type strain ration during growth period 2-Effects on sexual maturity laying performance, internal egg and shell qualities and economic returns. Egypt. Poult. Sci., 19: 429-447.
  129. Attia, Y.A., E.S. Abou Eglia, M. Osman and A.A. El-Deek, 1998. Performance of Pekin ducklings as affected by multi-enzymes and Yea Sacc additions to barley containing diets. Egypt. J. Anim. Prod., 35: 143-164.
  130. Attia, Y.A., A.A. El-Deek and O. Mona, 1998. Evaluation of Sunflower meal as feedstuff in diets of ducks. Archiv Fur Geflugelkunde, 62: 273-282.
  131. Attia, Y.A., 1998. Nutritive value of the Egyptian sorghum grains (Giza-15) as a feedstuff in broiler diets. Egypt. Poult. Sci. J., 18: 311-336.
  132. El-Naggar, N.M., A.Z. Mehrez, F.A.M. Aggoor, Y.A. Attia and E.M.A. Qota, 1997. Effect of different dietary protein and energy levels during roaster period on: Carcass composition, yield, physical characteristics of meat and serum constituents. Egypt. Poult. Sci. J., 17: 107-132.
  133. El-Deek, A.A., B. Mona, Y.A. Attia and A.S. El-Sebeay, 1997. Effect of feeding muscovy ducklings different protein sources: Performance, θ-3 fatty acid contents, and acceptability of their tissues. J. Am. Oils Chem. Soc., 74: 999-1009.
    CrossRef  |  Direct Link  |  
  134. Attia,Y.A., A.I. Abd El-Ghani, E.H. El-Ganzory and S.B. Abd El-Hady, 1997. Responses of Bandarah local breed to some pronutrient additions. Egypt. Poult. Sci. J., 17: 1-22.
  135. Aggoor, F.A.M., N.M., El-Nagger, A.Z. Mehrez, Y.A. Attia and E.M. Qota, 1997. Effect of different dietary protein and energy levels during roaster period 1- Performance and economic evaluation of broiler chicks. Egypt. Poult. Sci. J., 17: 81-106.
  136. Saleh, K., Y.A. Attia and H. Younis, 1996. Effect of feed restriction and breed on compensatory growth, abdominal fat and some production traits of broiler chicks. Arch. Geflugelkunde, 60: 153-159.
    Direct Link  |  
  137. Osman, Mona, Y.A. Attia, E.S.A. Eglia and A.A. El-Deek, 1996. Effect of prozyme and yeast culture supplementations on performance of Pekin ducklings fed diets containing dried beet pulp. Egypt. Poult. Sci. J., 16: 573-599.
  138. Attia, Y.A. and S.A. El-Rahman, 1996. Effect of enzyme supplementation on performance, carcass characteristics and digesta passage time of broiler chicks fed different cereal grains. Egypt. J. Anim. Prod., 33: 125-144.
  139. Attia, Y.A. and N.A. Badawy, 1996. Effect of dietary energy levels on reproductive performance, semen quality and offspring growth of two local chicken breed males. Egypt. Poult. Sci. J., 16: 69-86.
  140. El-Deek, A.A., Y.A. Attia, E.S. Abo Eglia, M.S. El-Din and M.A. Aser, 1995. Influence of feeding layer manure and rumen content on growing ducklings performance. Egypt. Poult. Sci. J., 15: 169-203.
  141. Attia, Y.A., W.H. Burke, Y.A. Yamani and L.S. Jensen, 1995. Daily energy allotments and performance of broiler breeders. 1. Males. Poult. Sci., 74: 247-260.
    PubMed  |  
  142. Attia, Y.A., W.H. Burke, K.A. Yamani and L.S. Jensen, 1995. Daily energy allotments and performance of broiler breeders. 2. Females. Poult. Sci., 74: 261-270.
    PubMed  |  Direct Link  |  
  143. Attia, Y.A., M. Osman, E.S. Abou-Egla and A.A. Eldeek, 1995. Response of growth, feed conversion and characteristics of broiler chicks to feed restriction methods, time and diet quality. Mansoura Univ. J. Agric. Sci., 20: 3261-3282.
  144. Abou-Egla, E.S., Y.A. Attia, M.S. El-Din and A.A. El-Deek, 1995. Growth promoting influence of some herbs on performance and carcass quality of broilers and ducklings. Mansoura Univ. J. Agric. Sci., 20: 3315-3332.
  145. Burke, W.H. and Y.A. Attia, 1994. Molting single comb white leghorns with the use of the lupron depot formulation of leuprolide acetate. Poult. Sci., 73: 1226-1232.
    PubMed  |  
  146. Attia, Y.A., W.H. Burke and K.A. Yamani, 1994. Response of broiler breeder hens to forced molting by hormonal and dietary manipulations Poult. Sci., 73: 245-258.
    CrossRef  |  PubMed  |  Direct Link  |  
  147. Attia, Y.A., W. H. Burke, K.A. Yamani and L.S. Jensen, 1993. Daily energy allotment and reproductive performance of broiler breeder males. Poult. Sci., 72: 42-50.
    CrossRef  |  Direct Link  |  
  148. Sonball, S.M., H.M. Abdella, K.A. Yamani and Y.A. Attia, 1991. Interrelationship between calcium and energy levels for laying hens. 1-Effect on feed intake, feed efficiency and egg production. Egypt. J. Applied Sci., 5: 299-311.
  149. Shamma, T.A., N.F. Abd-El-Hakim, S.I. El-Sharkawy, N.M. El-Nagar and Y.A. Attia, 1986. Effect of protein and energy levels as well as age of hens on digestibility of ration and chemical composition of eggs. Al-Azhar J. Agric. Res., 6: 217-229.
  150. El Sharkawy, S.I., A.A. Amer, T.A. Shamma, H.M. Abdella and Y.A. Attia, 1986. Performance of white leghorn pullets as influenced by dietary plant protein and energy levels. Al-Azhar J. Agric. Res., 6: 125-138.
  151. Amer, A.A., N.F. Abd-El-Hakim, S.I. El-Sharkawy, T.A. Shamma and Y.A. Attia, 1986. Effect of different levels of energy and plant protein supplemented with lysine and methionine on the performance of growing chicks. Al-Azhar J. Agric. Res., 6: 201-214.
  152. Abd-El-Hakim, N.F., A.A. Amer, T.A. Shamma, N.M. El-Nagar and Y.A. Attia, 1986. Internal egg quality of laying White Leghorn hens as affected by protein and energy levels in the diet. Al-Azhar J. Agric. Res., 6: 141-154.