All Stories

  1. Enhancement of productive performance, nutrient digestibility, and meat quality in broilers subjected to cyclic heat stress via different organic and inorganic chromium concentrations

    Article • Archives Animal Breeding, April 2026, Copernicus GmbH

    Professor Youssef A Attia

  2. Assessing the effect of limited incorporation of black soldier fly larvae and prepupae meal on laying performance, egg characteristics and biological indicators in aged hens

    Article • Italian Journal of Animal Science, December 2025, Taylor & Francis

    Professor Youssef A Attia

  3. Retraction Note: COVID-19 pandemic: impacts on bees, beekeeping, and potential role of bee products as antiviral agents and immune enhancers

    Article • Environmental Science and Pollution Research, December 2025, Springer Science + Business Media

    Professor Youssef A Attia, Dr mohamed E. Abd El-Hack

  4. Optimising rabbit performance under cyclic heat stress: effects of nano-chromium chloride on growth, immunity, antioxidant defense, and gene expression in New Zealand White and Rex breeds

    Article • Italian Journal of Animal Science, May 2025, Taylor & Francis

    Professor Youssef A Attia

  5. Impact of low-protein diets on broiler nutrition, production sustainability, gene expression, meat quality and greenhouse gas emissions

    Article • Journal of Applied Animal Research, March 2025, Taylor & Francis

    Professor Youssef A Attia

  6. Gut dysbiosis: Nutritional causes and risk prevention in poultry, with reference to other animals

    Article • South African Journal of Animal Science, March 2025, African Journals Online (AJOL)

    Professor Youssef A Attia

  7. Desempenho produtivo, medidas corporais e composição da carne de juvenis de tilápia-do-Nilo suplementados com lentilha d’água fresca

    Article • Ciência Animal Brasileira, January 2025, FapUNIFESP (SciELO)

    Professor Youssef A Attia

  8. Productive performance, body measurements, and meat composition in Nile tilapia juveniles supplemented with fresh duckweed

    Article • Ciência Animal Brasileira, January 2025, FapUNIFESP (SciELO)

    Professor Youssef A Attia

  9. Assessment of bacterial phytase and citric acid concentrations on economic traits, nutrients’ digestibility and protein metabolites of broiler chickens fed diets containing marginal level of nutrients

    Article • Italian Journal of Animal Science, December 2024, Taylor & Francis

    Professor Youssef A Attia

  10. Climate change and its effects on poultry industry and sustainability

    Article • Discover Sustainability, November 2024, Springer Science + Business Media

    Professor Youssef A Attia, Dr mohamed E. Abd El-Hack

  11. Enhancing the nutritional values of egg yolks of laying hens by different dietary sources of omega-3 fatty acids, vitamin e and trace elements

    Article • Livestock Science, November 2024, Elsevier

    Professor Youssef A Attia

  12. Use of black pepper oil in growing-quail diets and its impact on growth, carcass measurements, intestinal microbiota, and blood chemistry

    Article • Archives Animal Breeding, September 2024, Copernicus GmbH

    Professor Youssef A Attia

  13. INVESTIGATING THE POTENTIAL OF SILYMARIN AND/OR SPIRULINA PLATENSIS TO ATTENUATE THE DELETERIOUS CONSEQUENCES OF AFLATOXIN CONTAMINATION IN BROILERS’ FEEDS

    Article • The Journal of Animal and Plant Sciences, August 2024, Pakistan Agricultural Scientists Forum

    Professor Youssef A Attia

  14. Assessment of green tea and/or ginger powder on growth performance, carcass traits, and blood profiles of broilers exposed to heat stress conditions for sustainable broilers farming

    Article • July 2024, De Gruyter

    Professor Youssef A Attia

  15. Impact of early feed restriction and continued supplementation with coated organic acid and essential oils on sustainability of laying performance, egg quality, fertility, hatchability, immunity status, and gut microbiota of Japanese quail hens

    Article • April 2024, De Gruyter

    Professor Youssef A Attia

  16. Effect of dietary electrolyte balance and arginine to lysine ratio on hematological, antioxidant and immunological traits in dual-purpose breeding hens under cyclic heat stress condition

    Article • Journal of Thermal Biology, April 2024, Elsevier

    Professor Youssef A Attia

  17. Growth performance, plasma metabolites, meat quality, and meat and lipid health indices of New Zealand White rabbits as affected by dietary dried tomato pomace powder supplementation during the summer season

    Article • Journal of Animal Physiology and Animal Nutrition, March 2024, Wiley

    Professor Youssef A Attia

  18. Arginine: lysine ratio influences on performance, egg quality, haematology, biochemistry, antioxidant status and immunity of dual-purpose breeding hens exposed to cyclic heat stress

    Article • Italian Journal of Animal Science, February 2024, Taylor & Francis

    Professor Youssef A Attia

  19. Dietary flaxseed cake influences on performance, quality, and sensory attributes of eggs, serum, and egg trace minerals of laying hens

    Article • Tropical Animal Health and Production, January 2024, Springer Science + Business Media

    Professor Youssef A Attia

  20. 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 phytogenic agent in subtropical conditions

    Article • Animal Bioscience, January 2024, Asian Australasian Association of Animal Production Societies

    Professor Youssef A Attia

  21. Rice gluten meal as a substitute for soybean meal in the diets for growing rabbits

    Article • Archives of Animal Nutrition, January 2024, Taylor & Francis

    Professor Youssef A Attia

  22. Antioxidant Status, Lipid Metabolism, Egg Fatty Acids, and Nutritional Index of White-Egg Laying Hens Fed Flaxseed Cake

    Article • The Journal of Poultry Science, January 2024, Japan Poultry Science Association

    Professor Youssef A Attia

  23. Heat detoxification of Jatropha cucas meal and its effect on productive and reproductive performance of quail

    Article • Poultry Science, December 2023, Elsevier

    Professor Youssef A Attia

  24. Effects of Spirulina platensis and/or Allium sativum on Antioxidant Status, Immune Response, Gut Morphology, and Intestinal Lactobacilli and Coliforms of Heat-Stressed Broiler Chicken

    Article • Veterinary Sciences, November 2023, MDPI AG

    Professor Youssef A Attia

  25. DISTILLER’S DRIED GRAINS SUPPLEMENTED Wz3ITH ENZYME COCKTAIL AND YEAST AFFECT EGG QUALITY, REPRODUCTIVE PERFORMANCE AND BLOOD PROFILE OF BREEDING HENS

    Article • The Journal of Animal and Plant Sciences, November 2023, Pakistan Agricultural Scientists Forum

    Professor Youssef A Attia

  26. Intermittent light program impacts on reproductive performance, health and welfare of breeding hens

    Article • Archives Animal Breeding, November 2023, Copernicus GmbH

    Professor Youssef A Attia

  27. The efficacy of polyphenols as an antioxidant agent: An updated review

    Article • International Journal of Biological Macromolecules, October 2023, Elsevier

    Professor Youssef A Attia, Dr mohamed E. Abd El-Hack

  28. The use of Astragalus membranaceus as an eco-friendly alternative for antibiotics in diets of Japanese quail breeders

    Article • Poultry Science, October 2023, Elsevier

    Professor Youssef A Attia

  29. Alternative to antibiotic growth promoters: beneficial effects of Saccharomyces cerevisiae and/or Lactobacillus acidophilus supplementation on the growth performance and sustainability of broilers’ production

    Article • Frontiers in Veterinary Science, September 2023, Frontiers

    Professor Youssef A Attia

  30. Fish and Black Soldier Fly Meals as Partial Replacements for Soybean Meal Can Affect Sustainability of Productive Performance, Blood Constituents, Gut Microbiota, and Nutrient Excretion of Broiler Chickens

    Article • Animals, August 2023, MDPI AG

    Professor Youssef A Attia

  31. Coated organic acids with essential oils in Japanese quail’s fed restricted during the 2nd week of age: effects on performance, carcase traits, blood profile, antioxidants status, and caeca microbiota

    Article • Italian Journal of Animal Science, August 2023, Taylor & Francis

    Professor Youssef A Attia

  32. Chamomile essential oil improves the growth, immunity, and antioxidant status of Nile tilapia exposed to nanosized alumina

    Article • Aquaculture International, August 2023, Springer Science + Business Media

    Professor Youssef A Attia

  33. The effects of Moringa peregrina seed meal, autoclaving, and/or exogenous enzyme cocktail on performance, carcass traits, meat quality, and blood lipids of broilers

    Article • Frontiers in Veterinary Science, July 2023, Frontiers

    Professor Youssef A Attia

  34. Withania somnifera as a phytoherbal growth promoter for broilers farming

    Article • May 2023, De Gruyter

    Professor Youssef A Attia, Dr mohamed E. Abd El-Hack

  35. Yucca schidigera Extract Mitigates the Oxidative Damages, Inflammation, and Neurochemical Impairments in the Brains of Quails Exposed to Lead

    Article • Biological Trace Element Research, May 2023, Springer Science + Business Media

    Professor Youssef A Attia

  36. Corrigendum: The impact of multi-enzyme fortification on growth performance, intestinal morphology, nutrient digestibility, and meat quality of broiler chickens fed a standard or low-density diet

    Article • Frontiers in Veterinary Science, May 2023, Frontiers

    Professor Youssef A Attia

  37. Rice Bran as an Alternative Feedstuff in Broiler Nutrition and Impact of Liposorb® and Vitamin E-Se on Sustainability of Performance, Carcass Traits, Blood Biochemistry, and Antioxidant Indices

    Article • Veterinary Sciences, April 2023, MDPI AG

    Professor Youssef A Attia

  38. Amino Acids Supplementation Affects Sustainability of Productive and Meat Quality, Survivability and Nitrogen Pollution of Broiler Chickens during the Early Life

    Article • Life, December 2022, MDPI AG

    Professor Youssef A Attia

  39. Oil Extracted Moringa peregrina Seed Cake as a Feed Ingredient in Poultry: A Chemical Composition and Nutritional Value Study

    Article • Animals, December 2022, MDPI AG

    Professor Youssef A Attia

  40. Low inclusion levels of Tenebrio molitor larvae meal in laying Japanese quail (Coturnix japonica, Gould, 1837) diet improve the intestinal morphometry, enzymatic activity and caecal short chain fatty acids profile

    Article • Research in Veterinary Science, December 2022, Elsevier

    Professor Youssef A Attia

  41. The impact of multi-enzyme fortification on growth performance, intestinal morphology, nutrient digestibility, and meat quality of broiler chickens fed a standard or low-density diet

    Article • Frontiers in Veterinary Science, November 2022, Frontiers

    Professor Youssef A Attia

  42. Dietary Supplementation with Different ω-6 to ω-3 Fatty Acid Ratios Affects the Sustainability of Performance, Egg Quality, Fatty Acid Profile, Immunity and Egg Health Indices of Laying Hens

    Article • Agriculture, October 2022, MDPI AG

    Professor Youssef A Attia

  43. Correction to: The impact of COVID‑19 on the sustainability of the environment, animal health and food security, and safety

    Article • Environmental Science and Pollution Research, September 2022, Springer Science + Business Media

    Professor Youssef A Attia

  44. Influence of COVID-19 on the sustainability of livestock performance and welfare on a global scale

    Article • Tropical Animal Health and Production, September 2022, Springer Science + Business Media

    Professor Youssef A Attia

  45. In ovo nano-silver and nutrient supplementation improves immunity and resistance against Newcastle disease virus challenge in broiler chickens

    Article • Frontiers in Veterinary Science, September 2022, Frontiers

    Professor Youssef A Attia

  46. Egg Production and Quality, Lipid Metabolites, Antioxidant Status and Immune Response of Laying Hens Fed Diets with Various Levels of Soaked Flax Seed Meal

    Article • Agriculture, September 2022, MDPI AG

    Professor Youssef A Attia

  47. The impact of COVID-19 on the sustainability of the environment, animal health and food security, and safety

    Article • Environmental Science and Pollution Research, September 2022, Springer Science + Business Media

    Professor Youssef A Attia

  48. Responses of egg quality sustainability, sensory attributes and lipid profile of eggs and blood to different dietary oil supplementations and storage conditions

    Article • Italian Journal of Animal Science, July 2022, Taylor & Francis

    Professor Youssef A Attia

  49. In ovo Inoculation of Bacillus subtilis and Raffinose Affects Growth Performance, Cecal Microbiota, Volatile Fatty Acid, Ileal Morphology and Gene Expression, and Sustainability of Broiler Chickens (Gallus gallus)

    Article • Frontiers in Nutrition, May 2022, Frontiers

    Professor Youssef A Attia

  50. Behavioral, physiological, and inflammatory responses of Oreochromis niloticus fish exposed to thallium and/or supplementation with Astragalus membranaceus polysaccharides

    Article • Aquaculture, May 2022, Elsevier

    Professor Youssef A Attia

  51. Poultry Production and Sustainability in Developing Countries under the COVID-19 Crisis: Lessons Learned

    Article • Animals, March 2022, MDPI AG

    Professor Youssef A Attia, Dr. Md.Tanvir Rahman

  52. Antioxidant Status, Blood Constituents and Immune Response of Broiler Chickens Fed Two Types of Diets with or without Different Concentrations of Active Yeast

    Article • Animals, February 2022, MDPI AG

    Professor Youssef A Attia

  53. Probiotics, Prebiotics, and Phytogenic Substances for Optimizing Gut Health in Poultry

    Article • Microorganisms, February 2022, MDPI AG

    Professor Youssef A Attia

  54. Diversity of Coronaviruses with Particular Attention to the Interspecies Transmission of SARS-CoV-2

    Article • Animals, February 2022, MDPI AG

    Professor Youssef A Attia, Dr. Md.Tanvir Rahman

  55. Correction to: COVID‑19 pandemic: impacts on bees, beekeeping, and potential role of bee products as antiviral agents and immune enhancers

    Article • Environmental Science and Pollution Research, February 2022, Springer Science + Business Media

    Professor Youssef A Attia, Dr mohamed E. Abd El-Hack

  56. Correction to: Reducing ammonia emission by aluminum sulfate addition in litter and its influence on productive, reproductive, and physiological parameters of dual-purpose breeding hens

    Article • Environmental Science and Pollution Research, January 2022, Springer Science + Business Media

    Professor Youssef A Attia

  57. COVID-19 pandemic: impacts on bees, beekeeping, and potential role of bee products as antiviral agents and immune enhancers

    Article • Environmental Science and Pollution Research, January 2022, Springer Science + Business Media

    Professor Youssef A Attia, Dr mohamed E. Abd El-Hack

  58. Enhancing in vitro oocyte maturation competence and embryo development in farm animals: roles of vitamin-based antioxidants – A review

    Article • January 2022, De Gruyter

    Professor Youssef A Attia, Dr mohamed E. Abd El-Hack

  59. Different Combinations of Butchery and Vegetable Wastes on Growth Performance, Chemical-Nutritional Characteristics and Oxidative Status of Black Soldier Fly Growing Larvae

    Article • Animals, December 2021, MDPI AG

    Professor Youssef A Attia

  60. Managing Gut Microbiota through In Ovo Nutrition Influences Early-Life Programming in Broiler Chickens

    Article • Animals, December 2021, MDPI AG

    Professor Youssef A Attia

  61. Zoonotic Significance and Antimicrobial Resistance in Salmonella in Poultry in Bangladesh for the Period of 2011–2021

    Article • Zoonotic Diseases, November 2021, MDPI AG

    Professor Youssef A Attia, Dr. Md.Tanvir Rahman

  62. Reducing ammonia emission by aluminum sulfate addition in litter and its influence on productive, reproductive, and physiological parameters of dual-purpose breeding hens

    Article • Environmental Science and Pollution Research, November 2021, Springer Science + Business Media

    Professor Youssef A Attia

  63. Use of Chemical Nano-Selenium as an Antibacterial and Antifungal Agent in Quail Diets and Its Effect on Growth, Carcasses, Antioxidant, Immunity and Caecal Microbes

    Article • Animals, October 2021, MDPI AG

    Professor Youssef A Attia, Dr mohamed E. Abd El-Hack

  64. Influence of COVID-19 on the poultry production and environment

    Article • Environmental Science and Pollution Research, July 2021, Springer Science + Business Media

    Professor Youssef A Attia, Dr mohamed E. Abd El-Hack

  65. Nanominerals: Fabrication Methods, Benefits and Hazards, and Their Applications in Ruminants with Special Reference to Selenium and Zinc Nanoparticles

    Article • Animals, June 2021, MDPI AG

    Professor Youssef A Attia

  66. Agro-Livestock Farming System Sustainability during the COVID-19 Era: A Cross-Sectional Study on the Role of Information and Communication Technologies

    Article • Sustainability, June 2021, MDPI AG

    Professor Youssef A Attia, Dr. Md.Tanvir Rahman

  67. Supplementation of Microbial and Fungal Phytases to Low Protein and Energy Diets: Effects on Productive Performance, Nutrient Digestibility, and Blood Profiles of Broilers

    Article • Agriculture, May 2021, MDPI AG

    Professor Youssef A Attia

  68. Date (Phoenix dactylifera L.) by-Products: Chemical Composition, Nutritive Value and Applications in Poultry Nutrition, an Updating Review

    Article • Animals, April 2021, MDPI AG

    Professor Youssef A Attia

  69. Chloroquine and Hydroxychloroquine for the Prevention and Treatment of COVID-19: A Fiction, Hope or Hype? An Updated Review

    Article • Therapeutics and Clinical Risk Management, April 2021, Taylor & Francis

    Professor Youssef A Attia, Dr mohamed E. Abd El-Hack

  70. COVID-19: pathogenesis, advances in treatment and vaccine development and environmental impact—an updated review

    Article • Environmental Science and Pollution Research, March 2021, Springer Science + Business Media

    Professor Youssef A Attia, Dr mohamed E. Abd El-Hack

  71. Zinc and/or Selenium Enriched Spirulina as Antioxidants in Growing Rabbit Diets to Alleviate the Deleterious Impacts of Heat Stress during Summer Season

    Article • Animals, March 2021, MDPI AG

    Professor Youssef A Attia

  72. The Strategy of Boosting the Immune System Under the COVID-19 Pandemic

    Article • Frontiers in Veterinary Science, January 2021, Frontiers

    Professor Youssef A Attia, Dr mohamed E. Abd El-Hack

  73. Responses of broiler chicken to different oil levels within constant energy levels from 20 to 40 days of age under hot weather conditions

    Article • Italian Journal of Animal Science, January 2021, Taylor & Francis

    Professor Youssef A Attia

  74. SARS-CoV-2 in animals: potential for unknown reservoir hosts and public health implications

    Article • Veterinary Quarterly, January 2021, Taylor & Francis

    Professor Youssef A Attia

  75. Phytogenic Products and Phytochemicals as a Candidate Strategy to Improve Tolerance to Coronavirus

    Article • Frontiers in Veterinary Science, October 2020, Frontiers

    Professor Youssef A Attia, Dr mohamed E. Abd El-Hack

  76. Challenges to the Poultry Industry: Current Perspectives and Strategic Future After the COVID-19 Outbreak

    Article • Frontiers in Veterinary Science, August 2020, Frontiers

    Professor Youssef A Attia

  77. Effect of a Weight Loss Program on Biochemical and Immunological Profile, Serum Leptin Levels, and Cardiovascular Parameters in Obese Dogs

    Article • Frontiers in Veterinary Science, August 2020, Frontiers

    Professor Youssef A Attia

  78. Calcium and Cholecalciferol Levels in Late-Phase Laying Hens: Effects on Productive Traits, Egg Quality, Blood Biochemistry, and Immune Responses

    Article • Frontiers in Veterinary Science, July 2020, Frontiers

    Professor Youssef A Attia

  79. 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

    Article • Animals, June 2020, MDPI AG

    Professor Youssef A Attia

  80. The Effects of Different Oil Sources on Performance, Digestive Enzymes, Carcass Traits, Biochemical, Immunological, Antioxidant, and Morphometric Responses of Broiler Chicks

    Article • Frontiers in Veterinary Science, April 2020, Frontiers

    Professor Youssef A Attia

  81. Evaluation of Heavy Metal Content in Feed, Litter, Meat, Meat Products, Liver, and Table Eggs of Chickens

    Article • Animals, April 2020, MDPI AG

    Professor Youssef A Attia

  82. Impact of phytase on improving the utilisation of pelleted broiler diets containing olive by-products

    Article • Italian Journal of Animal Science, April 2020, Taylor & Francis

    Professor Youssef A Attia

  83. Microbial and Fungal Phytases Can Affect Growth Performance, Nutrient Digestibility and Blood Profile of Broilers Fed Different Levels of Non-Phytic Phosphorous

    Article • Animals, March 2020, MDPI AG

    Professor Youssef A Attia

  84. Effects of Different Dietary Levels of Blue Lupine (Lupinus angustifolius) Seed Meal With or Without Probiotics on the Performance, Carcass Criteria, Immune Organs, and Gut Morphology of Broiler Chickens

    Article • Frontiers in Veterinary Science, March 2020, Frontiers

    Professor Youssef A Attia

  85. Influence of Different Time and Frequency of Multienzyme Application on the Efficiency of Broiler Chicken Rearing and Some Selected Metabolic Indicators

    Article • Animals, March 2020, MDPI AG

    Professor Youssef A Attia

  86. EFFECT OF ASCORBIC ACID AND/OR ALPHA-TOCOPHEROL FORTIFICATION ON SEMEN QUALITY, METABOLIC PROFILE, ANTIOXIDANTS STATUS, AND DNA OF ROOSTERS EXPOSED TO HEAT STRESS

    Article • The Journal of Animal and Plant Sciences, March 2020, Pakistan Agricultural Scientists Forum

    Professor Youssef A Attia

  87. Protein and Amino Acid Content in Four Brands of Commercial Table Eggs in Retail Markets in Relation to Human Requirements

    Article • Animals, March 2020, MDPI AG

    Professor Youssef A Attia

  88. Growth performance, digestibility, intestinal morphology, Carcass traits and meat quality of broilers fed marginal nutrients deficiency-diet supplemented with different levels of active Yeast

    Article • Livestock Science, March 2020, Elsevier

    Professor Youssef A Attia

  89. Impact of Multienzymes Dose Supplemented Continuously or Intermittently in Drinking Water on Growth Performance, Nutrient Digestibility, and Blood Constituents of Broiler Chickens

    Article • Animals, February 2020, MDPI AG

    Professor Youssef A Attia

  90. 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

    Article • Frontiers in Veterinary Science, February 2020, Frontiers

    Professor Youssef A Attia

  91. 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

    Article • Animals, January 2020, MDPI AG

    Professor Youssef A Attia

  92. Corrigendum

    Article • Journal of Animal Physiology and Animal Nutrition, January 2020, Wiley

    Professor Youssef A Attia

  93. Effect of Supplementation with Trimethylglycine (Betaine) and/or Vitamins on Semen Quality, Fertility, Antioxidant Status, DNA Repair and Welfare of Roosters Exposed to Chronic Heat Stress

    Article • Animals, August 2019, MDPI AG

    Professor Youssef A Attia

  94. Mirrors Improve Rabbit Natural Behavior in a Free-Range Breeding System

    Article • Animals, August 2019, MDPI AG

    Professor Youssef A Attia

  95. The effect of pelleting and enzyme supplementation on performance, carcass and blood parameters of broilers fed on different concentrations of olive cake

    Article • European Poultry Science, August 2019, Verlag Eugen Ulmer

    Professor Youssef A Attia

  96. Effects of Phytase Supplementation to Diets with or without Zinc Addition on Growth Performance and Zinc Utilization of White Pekin Ducks

    Article • Animals, May 2019, MDPI AG

    Professor Youssef A Attia

  97. Bee pollen and propolis as dietary supplements for rabbit: Effect on reproductive performance of does and on immunological response of does and their offspring

    Article • Journal of Animal Physiology and Animal Nutrition, February 2019, Wiley

    Professor Youssef A Attia

  98. Evaluation of the carryover effect of antibiotic, bee pollen and propolis on growth performance, carcass traits and splenic and hepatic histology of growing rabbits

    Article • Journal of Animal Physiology and Animal Nutrition, February 2019, Wiley

    Professor Youssef A Attia

  99. Utilisation of essential oils as a natural growth promoter for broiler chickens

    Article • Italian Journal of Animal Science, January 2019, Taylor & Francis

    Professor Youssef A Attia, Mahmoud El-Kelawy

  100. Effects of autoclaving and/or multi-enzyme complex supplementation on performance, egg quality and profitability of laying hens fed whole Prosopis juliflora pods meal in the diet

    Article • European Poultry Science, October 2018, Verlag Eugen Ulmer

    Professor Youssef A Attia

  101. Nutrients profile, protein quality and energy value of whole Prosopis pods meal as a feedstuff for poultry feeding

    Article • Italian Journal of Animal Science, September 2018, Taylor & Francis

    Professor Youssef A Attia

  102. Physiological parameters and productive performance of rabbit does and their offsprings with dietary supplementation of soy lecithin

    Article • Pesquisa Agropecuária Brasileira, September 2018, FapUNIFESP (SciELO)

    Professor Youssef A Attia

  103. Utilisation of thyme powder (Thyme vulgaris L.) as a growth promoter alternative to antibiotics for broiler chickens raised in a hot climate

    Article • European Poultry Science, June 2018, Verlag Eugen Ulmer

    Professor Youssef A Attia

  104. Nitrate detoxification using antioxidants and probiotics in the water for rabbits

    Article • Revista Colombiana de Ciencias Pecuarias, April 2018, Universidad de Antioquia

    Professor Youssef A Attia

  105. Impact of increasing dietary oil concentrations with a constant energy level on the tolerance of broiler chickens to a high ambient temperature

    Article • Revista Mexicana de Ciencias Pecuarias, March 2018, Revista Mexicana de Ciencias Pecuarias

    Professor Youssef A Attia

  106. Effect of betaine, vitamin C and vitamin E on egg quality, hatchability, and markers of liver and renal functions in dual-purpose breeding hens exposed to chronic heat stress

    Article • European Poultry Science, February 2018, Verlag Eugen Ulmer

    Professor Youssef A Attia

  107. Soya lecithin and season affect the productive performance, nutrient digestibility, and blood constituents of growing rabbits

    Article • Journal of Animal and Feed Sciences, January 2018, The Kielanowski Institute of Animal Physiology and Nutrition, PAS

    Professor Youssef A Attia

  108. Productive, physiological and immunological responses of two broiler strains fed different dietary regimens and exposed to heat stress

    Article • Italian Journal of Animal Science, December 2017, Taylor & Francis

    Professor Youssef A Attia

  109. 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

    Article • Poultry Science, December 2017, Elsevier

    Professor Youssef A Attia

  110. Semen quality, antioxidant status and reproductive performance of rabbits bucks fed milk thistle seeds and rosemary leaves

    Article • Animal Reproduction Science, September 2017, Elsevier

    Professor Youssef A Attia

  111. Effect of heat stress on protein utilization and nutrient transporters in meat-type chickens

    Article • International Journal of Biometeorology, August 2017, Springer Science + Business Media

    Professor Youssef A Attia

  112. Effect of heat stress on amino acid digestibility and transporters in meat-type chickens

    Article • Poultry Science, July 2017, Elsevier

    Professor Youssef A Attia

  113. 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

    Article • Poultry Science, June 2017, Elsevier

    Professor Youssef A Attia

  114. Response of slow-growing chickens to feed restriction and effects on growth performance, blood constituents and immune markers

    Article • Revista Mexicana de Ciencias Pecuarias, March 2017, Revista Mexicana de Ciencias Pecuarias

    Professor Youssef A Attia

  115. Effect of dietary protein concentrations, amino acids and conjugated linoleic acid supplementations on productive performance and lipid metabolism of broiler chicks

    Article • Italian Journal of Animal Science, March 2017, Taylor & Francis

    Professor Youssef A Attia

  116. Fatty acid and cholesterol profiles, hypocholesterolemic, atherogenic, and thrombogenic indices of broiler meat in the retail market

    Article • Lipids in Health and Disease, February 2017, Springer Science + Business Media

    Professor Youssef A Attia

  117. Enhancing tolerance of broiler chickens to heat stress by supplementation with vitamin E, vitamin C and/or probiotics

    Article • January 2017, De Gruyter

    Professor Youssef A Attia

  118. Turmeric (Curcuma longa Linn.) as a phytogenic growth promoter alternative for antibiotic and comparable to mannan oligosaccharides for broiler chicks

    Article • Revista Mexicana de Ciencias Pecuarias, January 2017, Revista Mexicana de Ciencias Pecuarias

    Professor Youssef A Attia

  119. Broiler tolerance to heat stress at various dietary protein/energy levels

    Article • European Poultry Science, January 2017, Verlag Eugen Ulmer

    Professor Youssef A Attia

  120. Magnetized drinking water improves productivity and blood parameters in geese

    Article • Revista Colombiana de Ciencias Pecuarias, January 2017, Universidad de Antioquia

    Professor Youssef A Attia

  121. Nesting materials for does: effect on nest building and performance in the first parturition

    Article • Revista Colombiana de Ciencias Pecuarias, January 2017, Universidad de Antioquia

    Professor Youssef A Attia

  122. Thyme oil (Thyme vulgaris L.) as a natural growth promoter for broiler chickens reared under hot climate

    Article • Italian Journal of Animal Science, November 2016, Taylor & Francis

    Professor Youssef A Attia

  123. 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

    Article • SpringerPlus, September 2016, Springer Science + Business Media

    Professor Youssef A Attia

  124. Effect of citric acid on the nutritive value of olive cake in broiler diets

    Article • European Poultry Science, September 2016, Verlag Eugen Ulmer

    Professor Youssef A Attia

  125. Evaluación de la calidad de la carne de pollo en el mercado minorista: efectos del tipo y origen de las canales

    Article • Revista Mexicana de Ciencias Pecuarias, July 2016, Revista Mexicana de Ciencias Pecuarias

    Professor Youssef A Attia

  126. Response of two broiler strains to four feeding regimens under hot climate

    Article • Animal Production Science, January 2016, CSIRO Publishing

    Professor Youssef A Attia

  127. <b>Pequi peel flour in diets for Japanese quail

    Article • Acta Scientiarum Animal Sciences, January 2016, Universidade Estadual de Maringa

    Professor Youssef A Attia

  128. Productive and reproductive performance of rabbits does as affected by bee pollen and/or propolis, inulin and/or mannan-oligosaccharides

    Article • World Rabbit Science, December 2015, Universitat Politecnica de Valencia

    Professor Youssef A Attia

  129. non-conventional growth promoters

    Article • Journal of Animal Physiology and Animal Nutrition, November 2015, Wiley

    Professor Youssef A Attia

  130. Heath value of eggs

    Article • Lipids in Health and Disease, October 2015, Springer Science + Business Media

    Professor Youssef A Attia

  131. Yellow mealworm larvae (Tenebrio molitor, L.) as a possible alternative to soybean meal in broiler diets

    Article • British Poultry Science, October 2015, Taylor & Francis

    Professor Youssef A Attia

  132. Effect of citric acid on the utilization of olive cake diets for laying hens

    Article • Italian Journal of Animal Science, July 2015, PAGEPress Publications

    Professor Youssef A Attia

  133. In vitro crude protein digestibility of Tenebrio molitor and Hermetia illucens insect meals and its correlation with chemical composition traits

    Article • Italian Journal of Animal Science, July 2015, PAGEPress Publications

    Professor Youssef A Attia

  134. Effect of supplementation of date waste to broiler diets on performance, nutrient digestibility, carcass characteristics and physiological parameters

    Article • European Poultry Science, June 2015, Verlag Eugen Ulmer

    Professor Youssef A Attia

  135. 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

    Article • Journal of Applied Animal Research, March 2015, Taylor & Francis

    Professor Youssef A Attia

  136. Nigella seed oil as an alternative to antibiotic growth promoters for broiler chickens

    Article • European Poultry Science, March 2015, Verlag Eugen Ulmer

    Professor Youssef A Attia

  137. The phenotypic interrelationships between feather pecking, being feather pecked, feather eating, feather score, fear, body weight, and egg production traits in a F2- cross of White Leghorn lines selected for high and low severe feather pecking

    Article • European Poultry Science, March 2015, Verlag Eugen Ulmer

    Professor Youssef A Attia

  138. Responses of the Fertility, Semen Quality, Blood Constituents, Immunity and Antioxidant Status of Rabbit Bucks to Type and Magnetizing of Water

    Article • January 2015, De Gruyter

    Professor Youssef A Attia

  139. Effect of inulin and mannan-oligosaccharides compared with zinc-bacitracin on growing performance, nutrient digestibility and hematological profiles of growing rabbits

    Article • Animal Production Science, January 2015, CSIRO Publishing

    Professor Youssef A Attia

  140. Effect of feed form, pellet diameter and enzymes supplementation on carcass characteristics, meat quality, blood plasma constituents and stress indicators of broilers

    Article • Archives Animal Breeding, November 2014, Copernicus GmbH

    Professor Youssef A Attia

  141. Effect of feed form, pellet diameter and enzymes supplementation on growth performance and nutrient digestibility of broiler during days 21-37 of age

    Article • Archives Animal Breeding, November 2014, Copernicus GmbH

    Professor Youssef A Attia

  142. Erratum

    Article • British Poultry Science, September 2014, Taylor & Francis

    Professor Youssef A Attia

  143. Prediction of digestible energy and gross energy digestibility of feeds and diets in ostriches

    Article • British Poultry Science, July 2014, Taylor & Francis

    Professor Youssef A Attia

  144. Productive performance, biochemical and hematological traits of broiler chickens supplemented with propolis, bee pollen, and mannan oligosaccharides continuously or intermittently

    Article • Livestock Science, June 2014, Elsevier

    Professor Youssef A Attia

  145. Effect of group size on performance and egg quality of laying hens during 20 to 36 weeks of age

    Article • Italian Journal of Animal Science, March 2014, PAGEPress Publications

    Professor Youssef A Attia

  146. Quality of eggs in the retail market

    Article • Italian Journal of Animal Science, January 2014, Taylor & Francis

    Professor Youssef A Attia

  147. date pits and laying hens productive and reproductive performance and egg quality

    Article • Tropical Animal Health and Production, December 2013, Springer Science + Business Media

    Professor Youssef A Attia, Prof. Dr Mohamed Basyony mohamed basyony

  148. Growing and laying performance of Japanese quail fed diet supplemented with different concentrations of acetic acid

    Article • Italian Journal of Animal Science, April 2013, PAGEPress Publications

    Professor Youssef A Attia

  149. Growth performance, carcass quality, biochemical and haematological traits and immune response of growing rabbits as affected by different growth promoters

    Article • Journal of Animal Physiology and Animal Nutrition, February 2013, Wiley

    Professor Youssef A Attia

  150. Effect of dietary amounts of inorganic and organic zinc on productive and physiological traits of White Pekin ducks

    Article • animal, January 2013, Elsevier

    Professor Youssef A Attia

  151. Effects of water restriction on growth performance, feed nutrient digestibility, carcass and meat traits of rabbits

    Article • animal, January 2013, Elsevier

    Professor Youssef A Attia

  152. The detoxication of nitrate by two antioxidants or a probiotic, and the effects on blood and seminal plasma profiles and reproductive function of New Zealand White rabbit bucks

    Article • animal, January 2013, Elsevier

    Professor Youssef A Attia

  153. 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

    Article • Journal of Animal Physiology and Animal Nutrition, October 2012, Wiley

    Professor Youssef A Attia

  154. Productive and reproductive performance and egg quality of laying hens fed diets containing different levels of date pits with enzyme supplementations

    Article • Tropical Animal Health and Production, July 2012, Springer Science + Business Media

    Professor Youssef A Attia, Prof. Dr Mohamed Basyony mohamed basyony

  155. Effect of different dietary concentrations of inorganic and organic copper on growth performance and lipid metabolism of White Pekin male ducks

    Article • British Poultry Science, February 2012, Taylor & Francis

    Professor Youssef A Attia

  156. Effect of phytase with or without multienzyme supplementation on performance and nutrient digestibility of young broiler chicks fed mash or crumble diets

    Article • Italian Journal of Animal Science, January 2012, Taylor & Francis

    Professor Youssef A Attia

  157. Effect of different managerial systems on productive and reproductive traits, blood plasma hormones and serum biochemical constituents of geese

    Article • animal, January 2012, Elsevier

    Professor Youssef A Attia

  158. Semen quality, testosterone, seminal plasma biochemical and antioxidant profiles of rabbit bucks fed diets supplemented with different concentrations of soybean lecithin

    Article • animal, January 2012, Elsevier

    Professor Youssef A Attia

  159. Comparison of caecal and faeces fermentation characteristics of ostrich byin vitrogas production technique

    Article • Acta Agriculturae Scandinavica Section A – Animal Science, June 2011, Taylor & Francis

    Professor Youssef A Attia

  160. Impacts of dried whole eggs on productive performance, quality of fresh and stored eggs, reproductive organs and lipid metabolism of laying hens

    Article • British Poultry Science, June 2011, Taylor & Francis

    Professor Youssef A Attia

  161. 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

    Article • Journal of Animal Physiology and Animal Nutrition, January 2011, Wiley

    Professor Youssef A Attia

  162. 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

    Article • Journal of Animal Physiology and Animal Nutrition, December 2010, Wiley

    Professor Youssef A Attia

  163. Effect of inorganic or organic selenium supplementation on productive performance, egg quality and some physiological traits of dual-purpose breeding hens

    Article • Czech Journal of Animal Science, November 2010, Czech Academy of Agricultural Sciences

    Professor Youssef A Attia

  164. Oral glucose supplementation improved semen quality

    Article • Open Access Animal Physiology, November 2010, Taylor & Francis

    Professor Youssef A Attia

  165. Effect of bee pollen levels on productive, reproductive and blood traits of NZW rabbits

    Article • Journal of Animal Physiology and Animal Nutrition, September 2010, Wiley

    Professor Youssef A Attia

  166. Utilization of Dried Whole Eggs Processed by Different Methods with or Without Growth Promoting Mixture on Performance and Lymphoid Organs of Broiler Chicks

    Article • International Journal of Poultry Science, May 2010, Science Alert

    Professor Youssef A Attia

  167. 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

    Article • British Poultry Science, April 2010, Taylor & Francis

    Professor Youssef A Attia

  168. Whole inedible date in the grower–finisher broiler diets and the impact on productive performance, nutrient digestibility and meat quality

    Article • animal, January 2010, Elsevier

    Professor Youssef A Attia

  169. Effect of different dietary levels of mangrove (Laguncularia racemosa) leaves and spice supplementation on productive performance, egg quality, lipid metabolism and metabolic profiles in laying hens

    Article • British Poultry Science, November 2009, Taylor & Francis

    Professor Youssef A Attia

  170. Guava By-Product Meal Processed in Various Ways and Fed in Differing Amounts as a Component in Laying Hen Diets

    Article • International Journal of Poultry Science, August 2009, Science Alert

    Professor Youssef A Attia

  171. Reproductive and productive performance of rabbit does submitted to an oral glucose supplementation

    Article • animal, January 2009, Elsevier

    Professor Youssef A Attia

  172. Recovery from adverse effects of heat stress on slow-growing chicks in the tropics 1: Effect of ascorbic acid and different levels of betaine

    Article • Tropical Animal Health and Production, November 2008, Springer Science + Business Media

    Professor Youssef A Attia

  173. Improving productive and reproductive performance of dual-purpose crossbred hens in the tropics by lecithin supplementation

    Article • Tropical Animal Health and Production, July 2008, Springer Science + Business Media

    Professor Youssef A Attia

  174. The Effect of Supplementation of Enzyme on Laying and Reproductive Performance in Japanese Quail Hens Fed Nigella Seed Meal

    Article • The Journal of Poultry Science, January 2008, Japan Poultry Science Association

    Professor Youssef A Attia

  175. The response of slow-growing chicks to the supplementations with different methionine levels and/or two types of enzymes

    Article • Emirates Journal of Food and Agriculture, January 2007, Faculty of Food and Agriculture, United Arab Emirates University

    Professor Youssef A Attia

  176. Growth, Carcass Quality and Serum Constituents of Slow Growing Chicks as Affected by Betaine Addition to Diets Containing 1. Different Levels of Choline

    Article • International Journal of Poultry Science, October 2005, Science Alert

    Professor Youssef A Attia

  177. Growth, Carcass Quality and Serum Constituents of Slow Growing Chicks as Affected by Betaine Addition to Diets Containing 2. Different Levels of Methionine

    Article • International Journal of Poultry Science, October 2005, Science Alert

    Professor Youssef A Attia

  178. 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

    Article • Archives of Animal Nutrition, January 2003, Taylor & Francis

    Professor Youssef A Attia

  179. Effect of feeding muscovy ducklings different protein sources: Performance, θ-3 fatty acid contents, and acceptability of their tissues

    Article • Oil & Soap, August 1997, Springer Science + Business Media

    Professor Youssef A Attia

  180. Daily Energy Allotments and Performance of Broiler Breeders.

    Article • Poultry Science, February 1995, Elsevier

    Professor Youssef A Attia

  181. Daily Energy Allotments and Performance of Broiler Breeders.

    Article • Poultry Science, February 1995, Elsevier

    Professor Youssef A Attia

  182. Molting Single Comb White Leghorns with the Use of the Lupron Depot® Formulation of Leuprolide Acetate

    Article • Poultry Science, August 1994, Elsevier

    Professor Youssef A Attia

  183. Response of Broiler Breeder Hens to Forced Molting by Hormonal and Dietary Manipulations

    Article • Poultry Science, February 1994, Elsevier

    Professor Youssef A Attia

  184. Daily Energy Allotment and Reproductive Performance of Broiler Breeder Males

    Article • Poultry Science, January 1993, Elsevier

    Professor Youssef A Attia