World's Best Scientists 2026 revealed!
John C. McEwan

John C. McEwan

D-Index & Metrics

Biology and Biochemistry

D-Index
60
Citations
16394
World Ranking
11776
National Ranking
31

John C. McEwan 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 John C. McEwan 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: 413 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 848 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 949 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 840 scientists 207–216 publications: 733 scientists 217–226 publications: 708 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: 417 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: 196 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: 59 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: 268 publications — 72nd percentile

72% of scientists in this discipline score the same or lower.

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

John C. McEwan 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 John C. McEwan sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 316 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 899 scientists 52–53 D-Index: 1,025 scientists 54–55 D-Index: 1,149 scientists 56–57 D-Index: 1,235 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,162 scientists 62–63 D-Index: 1,130 scientists 64–65 D-Index: 1,031 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 714 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: 71 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: 60 D-Index — 41st percentile

41% of scientists in this discipline score the same or lower.

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

Overview

John C. McEwan is affiliated with AgResearch in New Zealand, contributing extensively to research in biochemistry, genetics, and molecular biology, with a significant focus on agricultural and biological sciences. Their work spans key subfields including genetics, agronomy and crop science, animal science and zoology, cancer research, and molecular biology.

The scientist's research centers on several main topics, primarily genetic and phenotypic traits in livestock, ruminant nutrition and digestive physiology, genetic mapping and diversity in plants and animals, genetic diversity and population structure, cancer-related molecular mechanisms, reproductive physiology in livestock, and bioenergy crop production and management.

Frequent co-authors collaborating with McEwan include K. G. Dodds, Rüdiger Bräuning, Suzanne J. Rowe, S. M. Hickey, and Peter H. Janssen. These partnerships reflect ongoing teamwork in advancing studies in their fields.

John C. McEwan has published research in several scientific venues, notably:

  • Genetics Selection Evolution
  • Frontiers in Genetics
  • Animals
  • G3 Genes Genomes Genetics
  • Genes

Among recent papers are:

  • On the origin of European sheep as revealed by the diversity of the Balkan breeds and by optimizing population-genetic analysis tools, 2020, Genetics Selection Evolution
  • A restriction enzyme reduced representation sequencing approach for low-cost, high-throughput metagenome profiling, 2020, PLoS ONE
  • Genetic parameters for residual feed intake, methane emissions, and body composition in New Zealand maternal sheep, 2022, Frontiers in Genetics
  • Genomic signatures of inbreeding in a critically endangered parrot, the kākāpō, 2021, G3 Genes Genomes Genetics
  • Geographical contrasts of Y-chromosomal haplogroups from wild and domestic goats reveal ancient migrations and recent introgressions, 2022, Molecular Ecology

Best Publications

  • The Genome Sequence of Taurine Cattle: A Window to Ruminant Biology and Evolution

    Christine G. Elsik;Christine G. Elsik;Christine G. Elsik;Ross L. Tellam;Kim C. Worley;Kim C. Worley;Richard A. Gibbs

  • Genome-Wide Survey of SNP Variation Uncovers the Genetic Structure of Cattle Breeds

    Richard A. Gibbs;Jeremy F. Taylor;Curtis P. Van Tassell

  • Genome-wide analysis of the world's sheep breeds reveals high levels of historic mixture and strong recent selection.

    James W. Kijas;Johannes A. Lenstra;Ben Hayes;Simon Boitard

  • Highly Prolific Booroola Sheep Have a Mutation in the Intracellular Kinase Domain of Bone Morphogenetic Protein IB Receptor (ALK-6) That Is Expressed in Both Oocytes and Granulosa Cells

    Theresa Wilson;Xi-Yang Wu;Jennifer L. Juengel;Ian K. Ross

  • The sheep genome illuminates biology of the rumen and lipid metabolism

    Yu Jiang;Yu Jiang;Yu Jiang;Min Xie;Wenbin Chen;Richard Talbot

  • Understanding the relationship between the inbreeding coefficient and multilocus heterozygosity: theoretical expectations and empirical data.

    J Slate;P David;K G Dodds;B A Veenvliet

  • Methane yield phenotypes linked to differential gene expression in the sheep rumen microbiome

    Weibing Shi;Christina D. Moon;Sinead C. Leahy;Dongwan Kang;Dongwan Kang

  • A genome wide survey of SNP variation reveals the genetic structure of sheep breeds.

    James W. Kijas;David Townley;Brian P. Dalrymple;Michael P. Heaton

  • Coordinated international action to accelerate genome-to-phenome with FAANG, the Functional Annotation of Animal Genomes project

    Leif Andersson;Leif Andersson;Alan L. Archibald;Cynthia D. Bottema;Rudiger Brauning

  • Two different bacterial community types are linked with the low-methane emission trait in sheep.

    Sandra Kittelmann;Cesar S. Pinares-Patiño;Henning Seedorf;Michelle R. Kirk

  • Resolving the evolution of extant and extinct ruminants with high-throughput phylogenomics

    Jared E. Decker;J. Chris Pires;Gavin C. Conant;Stephanie D. McKay

  • Genomic scan of selective sweeps in thin and fat tail sheep breeds for identifying of candidate regions associated with fat deposition.

    Mohammad Hossein Moradi;Ardeshir Nejati-Javaremi;Mohammad Moradi-Shahrbabak;Ken G Dodds

  • Evidence for the Presence of a Major Gene Influencing Ovulation Rate on the X Chromosome of Sheep

    G H Davis;J C McEwan;P F Fennessy;K G Dodds

  • Genome-wide association mapping identifies the genetic basis of discrete and quantitative variation in sexual weaponry in a wild sheep population.

    Susan E. Johnston;John C. McEWAN;Natalie K. Pickering;James W. Kijas

  • Heritability estimates of methane emissions from sheep

    C. S. Pinares-Patiño;S. M. Hickey;E. A. Young;K. G. Dodds

  • The sheep genome reference sequence: a work in progress

    A. L. Archibald;N. E. Cockett;B. P. Dalrymple

  • Linkage disequilibrium in domestic sheep.

    A F McRae;J C McEwan;K G Dodds;T Wilson

  • Fatty acid synthase effects on bovine adipose fat and milk fat

    Chris A. Morris;Neil G. Cullen;Belinda C. Glass;Dianne L. Hyndman

  • Neural control of the sequence of expression of myosin heavy chain isoforms in foetal mammalian muscles.

    A.J. Harris;R.B. Fitzsimons;J.C. McEwan

  • Infertility due to bilateral ovarian hypoplasia in sheep homozygous (FecXI FecXI) for the Inverdale prolificacy gene located on the X chromosome.

    G H Davis;J C McEwan;P F Fennessy;K G Dodds

Frequent Co-Authors

Brian P. Dalrymple
Brian P. Dalrymple University of Western Australia
Ben J. Hayes
Ben J. Hayes University of Queensland
Michael E. Goddard
Michael E. Goddard University of Melbourne
Tad S. Sonstegard
Tad S. Sonstegard Recombinetics (United States)
Stephen P. Miller
Stephen P. Miller University of New England
Curtis P. Van Tassell
Curtis P. Van Tassell Agricultural Research Service
Flavio S Schenkel
Flavio S Schenkel University of Guelph
Frank W. Nicholas
Frank W. Nicholas University of Sydney

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Best Scientists Citing John C. McEwan

Trending Scientists