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Richard K. Gast

D-Index & Metrics

Biology and Biochemistry

D-Index
53
Citations
7994
World Ranking
16355
National Ranking
6765

Richard K. Gast publication distribution in Biology and Biochemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Biology and Biochemistry in 2026. The highlighted bar marks where Richard K. Gast sits on this spectrum.

47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 414 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 849 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 950 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 841 scientists 207–216 publications: 735 scientists 217–226 publications: 709 scientists 227–236 publications: 651 scientists 237–246 publications: 605 scientists 247–256 publications: 510 scientists 257–266 publications: 524 scientists 267–276 publications: 434 scientists 277–286 publications: 418 scientists 287–296 publications: 350 scientists 297–306 publications: 363 scientists 307–316 publications: 315 scientists 317–326 publications: 296 scientists 327–336 publications: 261 scientists 337–346 publications: 240 scientists 347–356 publications: 219 scientists 357–366 publications: 197 scientists 367–376 publications: 154 scientists 377–386 publications: 161 scientists 387–396 publications: 155 scientists 397–406 publications: 145 scientists 407–416 publications: 124 scientists 417–426 publications: 112 scientists 427–436 publications: 132 scientists 437–446 publications: 116 scientists 447–456 publications: 99 scientists 457–466 publications: 81 scientists 467–476 publications: 91 scientists 477–486 publications: 80 scientists 487–496 publications: 80 scientists 497–506 publications: 60 scientists 507–516 publications: 36 scientists 517–526 publications: 46 scientists 527–536 publications: 54 scientists 537–546 publications: 44 scientists 547–556 publications: 43 scientists 557–566 publications: 43 scientists 567–576 publications: 42 scientists 577–586 publications: 25 scientists 587–596 publications: 34 scientists 597–606 publications: 23 scientists 607–616 publications: 33 scientists 617–626 publications: 31 scientists 627–636 publications: 27 scientists 637–646 publications: 25 scientists 647–656 publications: 28 scientists 657–666 publications: 34 scientists 667–676 publications: 18 scientists 677–686 publications: 16 scientists 687–696 publications: 10 scientists 697–706 publications: 12 scientists 707–716 publications: 21 scientists 717–726 publications: 12 scientists 727–736 publications: 12 scientists 737–746 publications: 10 scientists 747–756 publications: 7 scientists 757–766 publications: 13 scientists 767–776 publications: 15 scientists 777–786 publications: 13 scientists 787–796 publications: 9 scientists 797–806 publications: 9 scientists 807–816 publications: 7 scientists 817–826 publications: 4 scientists 827–836 publications: 9 scientists 837–846 publications: 7 scientists 847–856 publications: 3 scientists 857–866 publications: 5 scientists 867–876 publications: 5 scientists 877–886 publications: 11 scientists 887–896 publications: 3 scientists 897–906 publications: 4 scientists 907–916 publications: 7 scientists 917–926 publications: 5 scientists 927–936 publications: 6 scientists 937–946 publications: 6 scientists 947–956 publications: 3 scientists 957–966 publications: 7 scientists 967–976 publications: 2 scientists 977–986 publications: 2 scientists 987–996 publications: 1 scientists 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientists 1,028+ publications: 100 scientists
47 publications 1,028+

This scientist: 160 publications — 32nd percentile

32% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,028 publications or more.

Richard K. Gast D-index placement in Biology and Biochemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Biology and Biochemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Richard K. Gast sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 317 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 900 scientists 52–53 D-Index: 1,026 scientists 54–55 D-Index: 1,150 scientists 56–57 D-Index: 1,236 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,163 scientists 62–63 D-Index: 1,131 scientists 64–65 D-Index: 1,032 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 715 scientists 72–73 D-Index: 709 scientists 74–75 D-Index: 596 scientists 76–77 D-Index: 512 scientists 78–79 D-Index: 473 scientists 80–81 D-Index: 412 scientists 82–83 D-Index: 373 scientists 84–85 D-Index: 358 scientists 86–87 D-Index: 285 scientists 88–89 D-Index: 273 scientists 90–91 D-Index: 227 scientists 92–93 D-Index: 208 scientists 94–95 D-Index: 193 scientists 96–97 D-Index: 153 scientists 98–99 D-Index: 157 scientists 100–101 D-Index: 148 scientists 102–103 D-Index: 120 scientists 104–105 D-Index: 113 scientists 106–107 D-Index: 100 scientists 108–109 D-Index: 86 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 72 scientists 114–115 D-Index: 73 scientists 116–117 D-Index: 64 scientists 118–119 D-Index: 53 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 54 scientists 124–125 D-Index: 43 scientists 126–127 D-Index: 38 scientists 128–129 D-Index: 49 scientists 130–131 D-Index: 26 scientists 132–133 D-Index: 18 scientists 134–135 D-Index: 23 scientists 136–137 D-Index: 32 scientists 138–139 D-Index: 32 scientists 140–141 D-Index: 27 scientists 142–143 D-Index: 19 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 12 scientists 148–149 D-Index: 16 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 10 scientists 154–155 D-Index: 13 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 9 scientists 162–163 D-Index: 13 scientists 164–165 D-Index: 4 scientists 166 D-Index: 4 scientists 167+ D-Index: 98 scientists
40 D-Index 167+

This scientist: 53 D-Index — 19th percentile

19% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 167 D-Index or more.

Overview

Richard K. Gast is affiliated with the Agricultural Research Service in the United States. Their research primarily focuses on topics within Agricultural and Biological Sciences, with specific contributions to Biochemistry, Genetics and Molecular Biology. The scientist's work spans several subfields including Food Science, Animal Science and Zoology, Biotechnology, Molecular Biology, and Infectious Diseases.

Their research topics largely cover:

  • Salmonella and Campylobacter epidemiology
  • Animal Nutrition and Physiology
  • Listeria monocytogenes in Food Safety
  • Food Safety and Hygiene
  • Viral gastroenteritis research and epidemiology
  • Livestock and Poultry Management
  • Gut microbiota and health

Gast's frequent co-authors include:

  • D.R. Jones (18 collaborations)
  • Javier S. Garcia (13 collaborations)
  • D.M. Karcher (12 collaborations)
  • Rupa Guraya (7 collaborations)
  • Kenneth E. Anderson (6 collaborations)

Key venues where Richard K. Gast has published are:

  • Poultry Science (7 publications)
  • The Journal of Applied Poultry Research (6 publications)
  • arXiv (Cornell University) (3 publications)
  • Avian Diseases (2 publications)
  • Critical Reviews in Microbiology (1 publication)

Recent publications by Gast include:

  • Salmonella in eggs and egg-laying chickens: pathways to effective control, 2022, Critical Reviews in Microbiology
  • Research Note: Horizontal transmission and internal organ colonization by Salmonella Enteritidis and Salmonella Kentucky in experimentally infected laying hens in indoor cage-free housing, 2020, Poultry Science
  • Research Note: Contamination of eggs by Salmonella Enteritidis and Salmonella Typhimurium in experimentally infected laying hens in indoor cage-free housing, 2021, Poultry Science
  • Research Note: Internal organ colonization by Salmonella Enteritidis in experimentally infected layer pullets reared at different stocking densities in indoor cage-free housing, 2022, Poultry Science

This body of work demonstrates a focus on foodborne pathogens, particularly Salmonella, in poultry production environments, addressing aspects of transmission, contamination, and control measures.

Best Publications

  • Mechanisms of egg contamination by Salmonella Enteritidis

    Inne Gantois;Richard Ducatelle;Frank Pasmans;Freddy Haesebrouck

  • Production of Salmonella enteritidis-Contaminated Eggs by Experimentally Infected Hens

    Richard K. Gast;C. W. Beard

  • The impact of different housing systems on egg safety and quality

    P. S. Holt;R. H. Davies;J. Dewulf;R. K. Gast

  • Isolation of Salmonella enteritidis from internal organs of experimentally infected hens.

    Richard K. Gast;C. W. Beard

  • Evaluation of the efficacy of oil-emulsion bacterins for reducing fecal shedding of Salmonella enteritidis by laying hens

    Richard K. Gast;Henry D. Stone;Peter S. Holt

  • Epidemiology and control of egg-associated Salmonella enteritidis in the United States of America.

    A Hogue;P White;J Guard-Petter;W D Schlosser

  • Persistence of Salmonella enteritidis from one day of age until maturity in experimentally infected layer chickens

    Richard K. Gast;P. S. Holt

  • Colonization of Specific Regions of the Reproductive Tract and Deposition at Different Locations Inside Eggs Laid by Hens Infected with Salmonella Enteritidis or Salmonella Heidelberg

    Richard K. Gast;Rupa Guraya;Jean Guard-Bouldin;Peter S. Holt

  • Deposition of phage type 4 and 13a Salmonella enteritidis strains in the yolk and albumen of eggs laid by experimentally infected hens.

    Richard K. Gast;Peter S. Holt

  • Serotype-specific and serotype-independent strategies for preharvest control of food-borne Salmonella in poultry.

    Richard K. Gast

  • Influence of the level and location of contamination on the multiplication of Salmonella enteritidis at different storage temperatures in experimentally inoculated eggs

    R. K. Gast;P. S. Holt

  • Detection and enumeration of Salmonella enteritidis in fresh and stored eggs laid by experimentally infected hens

    Richard K. Gast;C. W. Beard

  • Isolation of Salmonella enterica serovar Enteritidis from houseflies (Musca domestica) found in rooms containing Salmonella serovar Enteritidis-challenged hens.

    Peter S. Holt;Christopher J. Geden;Randle W. Moore;Richard K. Gast

  • Evaluation of the efficacy of an oil-emulsion bacterin for protecting chickens against Salmonella enteritidis.

    Richard K. Gast;Henry D. Stone;Peter S. Holt;C. W. Beard

  • Airborne Horizontal Transmission of Salmonella enteritidis in Molted Laying Chickens

    Peter S. Holt;Bailey W. Mitchell;Richard K. Gast

  • Colonization of Reproductive Organs and Internal Contamination of Eggs After Experimental Infection of Laying Hens with Salmonella heidelberg and Salmonella enteritidis

    Richard K. Gast;Jean Guard-Bouldin;Peter S. Holt

  • Comparison of Salmonella Enteritidis infection in hens molted via long-term feed withdrawal versus full-fed wheat middling.

    Kun-Ho Seo;Peter S. Holt;R. K. Gast

  • Assessing the frequency and consequences of Salmonella enteritidis deposition on the egg yolk membrane.

    R. K. Gast;P. S. Holt

  • Age-Related Changes in the Persistence and Pathogenicity of Salmonella typhimurium in Chicks

    Richard K. Gast;C. W. Beard

  • The comparative virulence for chicks of Salmonella enteritidis phage type 4 isolates and isolates of phage types commonly found in poultry in the United States.

    Richard K. Gast;Steven T. Benson

Frequent Co-Authors

Peter S. Holt
Peter S. Holt Agricultural Research Service
Kenneth E. Anderson
Kenneth E. Anderson North Carolina State University
Paula J. Fedorka-Cray
Paula J. Fedorka-Cray North Carolina State University
Tom J. Humphrey
Tom J. Humphrey Swansea University
Steven C. Ricke
Steven C. Ricke University of Wisconsin–Madison
Jonathan G. Frye
Jonathan G. Frye United States Department of Agriculture
R. J. Buhr
R. J. Buhr Agricultural Research Service
Charles L. Hofacre
Charles L. Hofacre University of Georgia
Nelson A. Cox
Nelson A. Cox Agricultural Research Service
Arthur Hinton
Arthur Hinton Agricultural Research Service

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Best Scientists Citing Richard K. Gast

Steven C. Ricke

Steven C. Ricke

University of Wisconsin–Madison

Publications: 45

Richard Ducatelle

Richard Ducatelle

Ghent University

Publications: 36

David J. Nisbet

David J. Nisbet

United States Department of Agriculture

Publications: 29

Robert H. Davies

Robert H. Davies

Animal and Plant Health Agency

Publications: 27

Charles L. Hofacre

Charles L. Hofacre

University of Georgia

Publications: 21

Leon F. Kubena

Leon F. Kubena

Agricultural Research Service

Publications: 20

Peter S. Holt

Peter S. Holt

Agricultural Research Service

Publications: 20

Freddy Haesebrouck

Freddy Haesebrouck

Ghent University

Publications: 19

Billy M. Hargis

Billy M. Hargis

University of Arkansas at Fayetteville

Publications: 19

Kumar Venkitanarayanan

Kumar Venkitanarayanan

University of Connecticut

Publications: 17

Martin J. Woodward

Martin J. Woodward

University of Reading

Publications: 16

Paul Barrow

Paul Barrow

University of Surrey

Publications: 16

Nelson A. Cox

Nelson A. Cox

Agricultural Research Service

Publications: 15

Susan J. Lamont

Susan J. Lamont

Iowa State University

Publications: 14

Woo Kyun Kim

Woo Kyun Kim

University of Georgia

Publications: 14

John J. Maurer

John J. Maurer

Virginia Tech

Publications: 13

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