Personal Information

  • Position : Professor
  • Department : Poultry Production
  • Specification :
  • Work Phone :
  • Email : khelkholy@du.edu.eg

E-Courses

Researches

  1. Climate change and its effects on poultry industry and sustainability�
  2. Effect of dietary addition of Arak (Salvadora persica) on growth and reproductive performance in baladi rabbit males�
  3. Effect of in-ovo Injection of herbal extracts on post-hatch performance, immunological, and physiological responses of broiler chickens�
  4. Physiological reactions and biological performance of rabbits to summer heat stress�
  5. Effects of supplemental vitamin A on reproduction and antioxidative status of aged laying hens, and growth, blood indices and immunity of their offspring�
  6. Effect of natural additive (bee pollen) on immunity and productive and reproductive performances in rabbits. 1.-Growth performance, digestive and immune responses in growing���
  7. Effect of aqueous extract of Moringa oleifera leaves on Some production performance and microbial ecology of the gastrointestinal tract in growing rabbits�
  8. Effect of early-age acclimation on some physiological, immunological responses and chromosomal aberrations in Muscovy ducks during exposure to heat stress�
  9. The synergistic impact of Spirulina and selenium nanoparticles mitigates the adverse effects of heat stress on the physiology of rabbits bucks�
  10. Effect of bee pollen at different levels as natural additives on immunity and productive performance in rabbit males�
  11. Physiological response, testicular function, and health indices of rabbit males fed diets containing phytochemicals extract under heat stress conditions�
  12. Effects of dietary selenium sources on metabolic, enzymatic and immunoglobulin serum profiles in growing rabbits�
  13. Reproductive performance and blood constituents of V-line and Bauscat Female rabbits under middle Egypt conditions�
  14. Improvement of rabbit's productivity and immunity by probiotic bacteria isolated from suckling mother�s soft faeces�
  15. Rabbit productivity and reproductivity as affected by cinnamon (Cinnamomum Zeylanicum)�
  16. Rabbit productivity and reproductivity as influenced by prebiotics in drinking water�
  17. Blood metabolites and hormones of V-line and Bouscat female rabbits under middle Egypt conditions�
  18. Impacts of selenium nanoparticles and spirulina alga to alleviate the deleterious effects of heat stress on reproductive efficiency, oxidative capacity and immunity of doe rabbits�
  19. Study on the optimal crude papaya latex content of growing rabbit diet under summer conditions: Effects on growth performance and immune status�
  20. Effect of L-carnitine preparation in drinking water on some productive and reproductive performance of NZW rabbits�
  21. Effect of sperm concentration and site of insemination on conception rate of rabbits.�
  22. Physiological and immunological performance of Domyati ducklings fed different levels of coconut oil�
  23. Efficiency of housing establishment for rabbits� productivity�
  24. Lysozyme as an alternative to antibiotics improves growth, antioxidants status, immunity, and intestinal bacteria in broiler chickens during the fattening period�
  25. Physical Performance of Broiler Chickens Affected by Dietary Biological Additives�
  26. Amelioration of heat stress on rabbits�
  27. Some physiological and immunological responses of rabbits fed diets contained Salvadora persica.�
  28. Effect of short period incubation during egg storage on hatchability, embryonic mortality and chick quality�
  29. Haematological and Serum Biochemical Responses of Growing Rabbits to Aqueous Extract of Moringa Oleifera Leaves in Drinking Water�
  30. Dose-response analysis for the effects of Coffea arabica L. on growth performance, health status, and economic efficiency of fattened rabbits raised under high ambient temperature�
  31. Performance, blood and antioxidant status in dual-purpose laying hens supplemented with aqueous extract of Christ�s thorn jujube (Ziziphus spina-christi L.) leaves as���
  32. Amelioration of sperm fertilizability, thyroid activity, oxidative stress, and inflammatory cytokines in rabbit bucks treated with phytogenic extracts�
  33. Physiological responses of rabbit does to Synertox� supplementation under different housing conditions during summer in Egypt�
  34. EFFECT OF INTERACTION BETWEEN SEASON AND ARAK (Salvadora persica) SUPLEMENTATION ON RABBITS: 1-PRODUCTIVE AND SOME PHYSIOLOGICAL PERFORMANCE OF GROWING RABBITS.�
  35. Effect of Arak (Salvadora Persica) aqueous extract on rabbit semen preservation, microbial contamination and artificial insemination. The 5th Inter. Con. on Rabbit Prod�
  36. Investigating the Dose-Response Relationship of Gum Arabic (Acacia senegal) in Ameliorating Heat Stress Responses in Rabbits�
  37. Tryptophan and/or canthaxanthin in quail diets: effects on performance, carcass traits, hematology, blood chemistry and hepatic antioxidant capacity�
  38. The synergetic effect of selenium or zinc oxide nanoparticles with chromium on mitigating thermal stress for sustainable production and improving antioxidant capacity and���
  39. Effect of different dietary levels of coconut oil as a source of medium chain fatty acids on some production and physiological traits of growing rabbits�
  40. Productive and physiological responses of growing rabbits to dietary organic chromium addition�
  41. Effect of crude papaya latex supplementation on some production, digestion and reproduction traits of rabbits�
  42. Improving heat resilience in fattening rabbits: nutritional strategies for mitigation via regulating blood physiology, inflammation and antioxidant pathways�
  43. Impact of dietary addition of Aloe Vera leaves powder on productive performance, caecal ecosystem and some physiological parameters of growing rabbits�
  44. T El-Din H, Tawfeek FA, Hassab SHM (2022). Climate change mitigation by dietary phytogenic addition in layer hens: some re-productive traits and endocrine hormones responses J���
  45. Effect of dietary arak (Salvadora persica) and season interaction on performance of pre and post-sexual maturity of rabbit males�
  46. Antioxidant status and productive performance of pregnant rabbit does as affected by Aloe vera leaves powder supplementation�
  47. Effects of genotype and weaning age interaction on growth traits in rabbits�
  48. Determination of some physiological and immunological characterisation as dietary biological addition on broiler chicks�
  49. Physiological and Reproductive Responses of Domyati Ducks to Different Dietary Levels of Coconut Oil as a Source of Medium-Chain Fatty Acids during Laying Period�
  50. use of corn distillers dried grains with solubles (DDGS) and foots in Nile tilapia fingerlings diets�
  51. Effect of crude papaya (Carica papaya) latex supplementation to low protein diets on productive performance, digestion, immune system, activity of certain digestive enzymes and���
  52. Effect of early-age acclimation on development of small intestine and growth performance in Muscovy ducks during summer season�
  53. Tag El-Din H, Seleem SNE, Hussein E, El-Shhat AM (2022). The effects of in-ovo dipping of sugarcane vinegar on hatching weight, hemato-biochemical profile and subsequent���
  54. Gut microbiota and intestinal morphology of growing quails as affected by dietary addition of tryptophan or/and canthaxanthin�
  55. Effect of injection with clove oil or salbutamol drug (a betaadrenergic agonist) as a growth promoter on productive and some physiological responses of growing rabbits�
  56. Fertilizing ability of diluted rabbit semen added with bee pollen aqueous extract�
  57. Age-induced oxidative stress in rabbit bucks: protective effect of melatonin�
  58. Impact of Supplementing Xylanase and Glucanase Enzymes to Broilers Diet Contained Rice Bran on Growth Performance, Nutrients Digestion and Economic Evaluation During Fattening���
  59. Determining the Physiological and Reproductive Responses of Domyati Ducks to Different Dietary Levels of Coconut Oil as a Source of Medium-Chain Fatty Acids during Laying Period�
  60. Doaa Mounir Ahmed Sarhan�
  61. USE OF CORN DISTILLERS DRIED GRAINS WITH SOLUBLES (DDGS) AND FOOTS IN NILE TILAPIA FINGERLINGS DIETS�
  62. EFFECT OF NATURAL ADDITIVE (BEE POLLEN) ON IMMUNITY AND PRODUCTIVE AND REPRODUCTIVE PERFORMANCES IN RABBITS.�
  63. Effect of crude papaya (Carica papaya) latex supplementation to low protein diets on productive performance, digestion, immune system, activity of certain digestive���
  64. EFFECTS OF DIETARY SUPPLEMENTATION WITH TOYOCERIN PROBIOTIC (Bacillus cereus var. Toyoi) ON SOME PRODUCTIVE AND REPRODUCTIVE PERFORMANCE OF CALIFORNIAN RABBITS�
  65. Damietta Journal of Agricultural Sciences�
  66. Damietta Journal of Agricultural Sciences�
  67. Journal of Agriculture and Food Research�
  68. Journal of Animal and Poultry Production�
  69. Journal of Agriculture and Food Research�
  70. Tag El-Din H, Seleem SNE, El-Shhat AM (2022). Effect of in ovo dipping of sugarcane vinegar on hatchability and day-old ducklings quality�