World's Best Scientists 2026 revealed!

D-Index & Metrics

Animal Science and Veterinary

D-Index
46
Citations
6891
World Ranking
792
National Ranking
26

Hafez M. Hafez publication distribution in Animal Science and Veterinary in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Animal Science and Veterinary in 2026. The highlighted bar marks where Hafez M. Hafez sits on this spectrum.

29–33 publications: 1 scientists 34–38 publications: 6 scientists 39–43 publications: 17 scientists 44–48 publications: 23 scientists 49–53 publications: 28 scientists 54–58 publications: 44 scientists 59–63 publications: 66 scientists 64–68 publications: 75 scientists 69–73 publications: 71 scientists 74–78 publications: 84 scientists 79–83 publications: 108 scientists 84–88 publications: 105 scientists 89–93 publications: 84 scientists 94–98 publications: 103 scientists 99–103 publications: 97 scientists 104–108 publications: 95 scientists 109–113 publications: 89 scientists 114–118 publications: 88 scientists 119–123 publications: 109 scientists 124–128 publications: 93 scientists 129–133 publications: 89 scientists 134–138 publications: 95 scientists 139–143 publications: 92 scientists 144–148 publications: 80 scientists 149–153 publications: 74 scientists 154–158 publications: 74 scientists 159–163 publications: 67 scientists 164–168 publications: 53 scientists 169–173 publications: 62 scientists 174–178 publications: 63 scientists 179–183 publications: 50 scientists 184–188 publications: 55 scientists 189–193 publications: 50 scientists 194–198 publications: 27 scientists 199–203 publications: 44 scientists 204–208 publications: 31 scientists 209–213 publications: 28 scientists 214–218 publications: 38 scientists 219–223 publications: 33 scientists 224–228 publications: 36 scientists 229–233 publications: 29 scientists 234–238 publications: 35 scientists 239–243 publications: 23 scientists 244–248 publications: 24 scientists 249–253 publications: 29 scientists 254–258 publications: 28 scientists 259–263 publications: 21 scientists 264–268 publications: 25 scientists 269–273 publications: 11 scientists 274–278 publications: 17 scientists 279–283 publications: 13 scientists 284–288 publications: 18 scientists 289–293 publications: 10 scientists 294–298 publications: 12 scientists 299–303 publications: 11 scientists 304–308 publications: 15 scientists 309–313 publications: 14 scientists 314–318 publications: 14 scientists 319–323 publications: 8 scientists 324–328 publications: 8 scientists 329–333 publications: 13 scientists 334–338 publications: 14 scientists 339–343 publications: 13 scientists 344–348 publications: 10 scientists 349–353 publications: 11 scientists 354–358 publications: 5 scientists 359–363 publications: 8 scientists 364–368 publications: 8 scientists 369–373 publications: 6 scientists 374–378 publications: 7 scientists 379–383 publications: 8 scientists 384–388 publications: 3 scientists 389–393 publications: 4 scientists 394–398 publications: 5 scientists 399–403 publications: 8 scientists 404–408 publications: 5 scientists 409–413 publications: 4 scientists 414–418 publications: 3 scientists 419–423 publications: 8 scientists 424–428 publications: 5 scientists 429–433 publications: 3 scientists 434–438 publications: 5 scientists 439–441 publications: 5 scientists 442+ publications: 99 scientists
29 publications 442+

This scientist: 225 publications — 79th percentile

79% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 442 publications or more.

Hafez M. Hafez D-index placement in Animal Science and Veterinary in 2026

The chart shows the D-index (discipline H-index) distribution of Animal Science and Veterinary scientists ranked by Research.com in 2026. The highlighted bar marks where Hafez M. Hafez sits on this spectrum.

20 D-Index: 5 scientists 21 D-Index: 22 scientists 22 D-Index: 31 scientists 23 D-Index: 44 scientists 24 D-Index: 53 scientists 25 D-Index: 66 scientists 26 D-Index: 80 scientists 27 D-Index: 101 scientists 28 D-Index: 106 scientists 29 D-Index: 116 scientists 30 D-Index: 154 scientists 31 D-Index: 158 scientists 32 D-Index: 143 scientists 33 D-Index: 137 scientists 34 D-Index: 126 scientists 35 D-Index: 134 scientists 36 D-Index: 112 scientists 37 D-Index: 115 scientists 38 D-Index: 105 scientists 39 D-Index: 111 scientists 40 D-Index: 107 scientists 41 D-Index: 87 scientists 42 D-Index: 74 scientists 43 D-Index: 62 scientists 44 D-Index: 60 scientists 45 D-Index: 40 scientists 46 D-Index: 51 scientists 47 D-Index: 43 scientists 48 D-Index: 28 scientists 49 D-Index: 47 scientists 50 D-Index: 39 scientists 51 D-Index: 34 scientists 52 D-Index: 33 scientists 53 D-Index: 43 scientists 54 D-Index: 16 scientists 55 D-Index: 32 scientists 56 D-Index: 21 scientists 57 D-Index: 18 scientists 58 D-Index: 28 scientists 59 D-Index: 33 scientists 60 D-Index: 17 scientists 61 D-Index: 21 scientists 62 D-Index: 18 scientists 63 D-Index: 21 scientists 64 D-Index: 9 scientists 65 D-Index: 20 scientists 66 D-Index: 11 scientists 67 D-Index: 16 scientists 68 D-Index: 12 scientists 69 D-Index: 17 scientists 70 D-Index: 13 scientists 71 D-Index: 15 scientists 72 D-Index: 11 scientists 73 D-Index: 11 scientists 74 D-Index: 14 scientists 75 D-Index: 5 scientists 76 D-Index: 6 scientists 77+ D-Index: 100 scientists
20 D-Index 77+

This scientist: 46 D-Index — 76th percentile

76% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 77 D-Index or more.

Overview

Hafez M. Hafez is affiliated with Freie Universität Berlin in Germany and has contributed significantly to the fields of Agricultural and Biological Sciences and Medicine. Their research spans various subfields including Animal Science and Zoology, Infectious Diseases, Epidemiology, Agronomy and Crop Science, and Food Science.

Their work covers several main topics such as Animal Virus Infections Studies, SARS-CoV-2 and COVID-19 Research, Animal Nutrition and Physiology, Influenza Virus Research Studies, Animal Disease Management and Epidemiology, Viral Gastroenteritis Research and Epidemiology, and Livestock and Poultry Management.

Hafez has published extensively in prominent journals. Frequent publication venues include:

  • Animals
  • Frontiers in Veterinary Science
  • German Journal of Veterinary Research
  • Microorganisms
  • Viruses

Notable recent papers authored or co-authored by Hafez are:

  • "Challenges to the Poultry Industry: Current Perspectives and Strategic Future After the COVID-19 Outbreak," 2020, Frontiers in Veterinary Science
  • "Influence of COVID-19 on the poultry production and environment," 2021, Environmental Science and Pollution Research

Frequent co-authors in their research collaborations include:

  • Awad A. Shehata
  • Youssef A. Attia
  • Shereen Basiouni
  • Asmaa F. Khafaga
  • Fulvia Bovera

Hafez's research covers important aspects related to poultry health and production, infectious disease management, and the effects of environmental and viral challenges such as the COVID-19 pandemic on animal industries. Their contributions reflect an interdisciplinary approach combining epidemiological insights with animal health and sustainability considerations.

Best Publications

  • The Effect of Glyphosate on Potential Pathogens and Beneficial Members of Poultry Microbiota In Vitro

    Awad A. Shehata;Wieland Schrödl;Alaa. A. Aldin;Hafez M. Hafez

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

    Hafez M. Hafez;Youssef A. Attia;Youssef A. Attia

  • Ornithobacterium rhinotracheale: A review.

    P. C. M. van Empel;H. M. Hafez

  • An overview of the epidemic of highly pathogenic H5N1 avian influenza virus in Egypt: epidemiology and control challenges.

    E. M. Abdelwhab;H. M. Hafez

  • Epidemiological, molecular characterization and antibiotic resistance of Salmonella enterica serovars isolated from chicken farms in Egypt

    Hanem El-Sharkawy;Hanem El-Sharkawy;Amin Tahoun;Amin Tahoun;Abd El-Galiel A. El-Gohary;Moshira El-Abasy

  • Differentiation of Avian Poxvirus Strains on the Basis of Nucleotide Sequences of 4b Gene Fragment

    D. Lüschow;T. Hoffmann;H. M. Hafez

  • Occurrence of Salmonella enterica and Escherichia coli in raw chicken and beef meat in northern Egypt and dissemination of their antibiotic resistance markers

    Amira A. Moawad;Helmut Hotzel;Omnia Awad;Herbert Tomaso

  • Isolation of H9N2 avian influenza virus from bobwhite quail (Colinus virginianus) in Egypt

    Elham F. El-Zoghby;Abdel-Satar Arafa;Mohamed K. Hassan;Mona M. Aly

  • Diagnosis of Ornithobacterium Rhinotracheale

    Hafez Mohamed Hafez

  • Highly pathogenic avian influenza virus H5N1 from Egypt escapes vaccine-induced immunity but confers clinical protection against a heterologous clade 2.2.1 Egyptian isolate

    Christian Grund;El-Sayed M. Abdelwhab;El-Sayed M. Abdelwhab;Abdel-Satar Arafa;Mario Ziller

  • Safety assessment of Bt 176 maize in broiler nutrition: degradation of maize-DNA and its metabolic fate

    Mohamed Ahmed Tony;Andreas Butschke;Hermann Broll;Lutz Grohmann

  • Comparison between killed and living probiotic usage versus placebo for the prevention of necrotizing enterocolitis and sepsis in neonates.

    H Awad;H Mokhtar;S S Imam;G I Gad

  • Prevalence of types of methicillin-resistant Staphylococcus aureus in turkey flocks and personnel attending the animals

    A. Richter;R. Sting;C. Popp;J. Rau

  • Anatomical distribution of avian bornavirus in parrots, its occurrence in clinically healthy birds and ABV-antibody detection

    Michael Lierz;Hafez Mohamed Hafez;Kirsi Honkavuori;Achim D. Gruber

  • Comparison of the Specificity and Sensitivity of PCR, Nested PCR, and Real-Time PCR for the Diagnosis of Histomoniasis

    H. M. Hafez;R. Hauck;D. Lüschow;L. McDougald

  • The use of FTA® filter papers for diagnosis of avian influenza virus.

    E.M. Abdelwhab;Dörte Lüschow;Timm C. Harder;Hafez M. Hafez

  • Antimicrobial resistance in Enterobacteriaceae from healthy broilers in Egypt: emergence of colistin-resistant and extended-spectrum β-lactamase-producing Escherichia coli .

    Amira A. Moawad;Helmut Hotzel;Heinrich Neubauer;Ralf Ehricht

  • Prevalence of mycoplasmas in eggs from birds of prey using culture and a genus-specific mycoplasma polymerase chain reaction

    Michael Lierz;Nils Hagen;Nigel Harcourt-Brown;Stephen J Hernandez-Divers

  • Investigations on different Ornithobacterium rhinotracheale "ORT" isolates.

    Hafez Mohamed Hafez;Reinhard Sting

  • Susceptibility and Multidrug Resistance Patterns of Escherichia coli Isolated from Cloacal Swabs of Live Broiler Chickens in Bangladesh.

    Ajiujur Aa Muha;M Rahman;Ruhul Amin;Mst Ia Begum

  • Multiple dose vaccination with heterologous H5N2 vaccine: immune response and protection against variant clade 2.2.1 highly pathogenic avian influenza H5N1 in broiler breeder chickens.

    E.M. Abdelwhab;Christian Grund;Mona M. Aly;Martin Beer

  • Influence of maternal immunity on vaccine efficacy and susceptibility of one day old chicks against Egyptian highly pathogenic avian influenza H5N1.

    E.M. Abdelwhab;Christian Grund;Mona M. Aly;Martin Beer

  • Efficacy of a herbal product against Histomonas meleagridis after experimental infection of turkey poults

    Hafez Mohamed Hafez;Rüdiger Hauck

  • PCR for specific detection of haemorrhagic enteritis virus of turkeys, an avian adenovirus

    M. Hess;R. Raue;H.M. Hafez

  • Surveillance on A/H5N1 virus in domestic poultry and wild birds in Egypt

    Elham F El-Zoghby;Mona M Aly;Soad A Nasef;Mohamed K Hassan

  • Protective efficacy of H5 inactivated vaccines in meat turkey poults after challenge with Egyptian variant highly pathogenic avian influenza H5N1 virus.

    Walid H. Kilany;E.M. Abdelwhab;Abdel-Satar Arafa;Abdullah Selim

  • Noninvasive Heart Rate Measurement Using a Digital Egg Monitor in Chicken and Turkey Embryos

    Michael Lierz;Olivia Gooss;Hafez M. Hafez

  • Protection and virus shedding of falcons vaccinated against highly pathogenic avian influenza A virus (H5N1).

    Michael Lierz;Hafez M. Hafez;Robert Klopfleisch;Dörte Lüschow

  • Poultry meat and food safety: pre- and post-harvest approaches to reduce foodborne pathogens

    Hafez M. Hafez

  • Isolation of highly pathogenic avian influenza H5N1 from table eggs after vaccinal break in commercial layer flock.

    W. H. Kilany;A. Arafa;A. M. Erfan;M. S. Ahmed

Frequent Co-Authors

Timm C. Harder
Timm C. Harder Kiel University
Heinrich Neubauer
Heinrich Neubauer Friedrich-Loeffler-Institut
Helmut Hotzel
Helmut Hotzel Friedrich-Loeffler-Institut
Achim D. Gruber
Achim D. Gruber Freie Universität Berlin
Martin Beer
Martin Beer Friedrich-Loeffler-Institut
Herbert Tomaso
Herbert Tomaso Friedrich-Loeffler-Institut
Michael Hess
Michael Hess University of Veterinary Medicine Vienna
Thomas C. Mettenleiter
Thomas C. Mettenleiter Friedrich-Loeffler-Institut
Katrin Hartmann
Katrin Hartmann Ludwig-Maximilians-Universität München
Heinz Mehlhorn
Heinz Mehlhorn Heinrich Heine University Düsseldorf

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