World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

D-Index
53
Citations
10646
World Ranking
16116
National Ranking
6679

Olav T. Oftedal 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 Olav T. Oftedal 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: 125 publications — 14th percentile

14% of scientists in this discipline score the same or lower.

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

Olav T. Oftedal 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 Olav T. Oftedal 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

Olav T. Oftedal is affiliated with the Smithsonian Environmental Research Center in the United States. Their research work spans multiple interconnected fields, with a focus on medicine and biochemistry, genetics, and molecular biology. Oftedal's contributions cover various subfields including genetics, rheumatology, urology, social psychology, and animal science and zoology.

Their investigations often delve into several specialized topics such as bone and dental protein studies, digestive system and related health, animal genetics and reproduction, hair growth and disorders, primate behavior and ecology, as well as animal nutrition and physiology. These areas reflect a multidisciplinary approach to understanding biological and physiological processes across species.

Oftedal has published research in notable scientific venues including the Nestlé Nutrition Institute Workshop series and the American Journal of Primatology. The following papers represent key examples of their work:

  • The Evolution of Lactation in Mammalian Species, 2020, Nestlé Nutrition Institute Workshop series
  • Is Extended Lactation Nutritionally Important for the Weaning of Wild Toque Macaques, Macaca sinica? Evidence From Milk Composition, 2025, American Journal of Primatology

Their collaborative efforts include frequent co-authorship with researchers such as Danielle Dhouailly and Marja L. Mikkola, with whom they have published multiple works. Other coauthors include Ulf Ahlgren, Jonas Ahnfelt-Rønne, and Tomas Alanentalo, indicating a network of interdisciplinary scientific partnerships.

Best Publications

  • Milk composition, milk yield and energy output at peak lactation: a comparative review

    O.T. Oftedal

  • Using stable isotopes to investigate individual diet specialization in California sea otters (Enhydra lutris nereis)

    Seth D. Newsome;M. Tim Tinker;Daniel H. Monson;Olav T. Oftedal

  • Pregnancy and Lactation

    O. T. Oftedal

  • The Behavior, Physiology, and Anatomy of Lactation in the Pinnipedia

    Olav T. Oftedal;Daryl J. Boness;Raymond A. Tedman

  • The Mammary Gland and Its Origin During Synapsid Evolution

    Olav T. Oftedal

  • The evolution of milk secretion and its ancient origins

    O. T. Oftedal

  • Utilization of Bamboo by the Giant Panda

    E. S. Dierenfeld;H. F. Hintz;J. B. Robertson;P. J. Van Soest

  • The effect of maternal size and milk energy output on pup growth in grey seals (Halichoerus grypus)

    Sara J. Iverson;W. Don Bowen;Daryl J. Boness;Olav T. Oftedal

  • Birth to weaning in 4 days: remarkable growth in the hooded seal, Cystophora cristata

    W. D. Bowen;O. T. Oftedal;D. J. Boness

  • The nutritional consequences of foraging in primates: the relationship of nutrient intakes to nutrient requirements.

    Olav T. Oftedal

  • Lactation in the horse: milk composition and intake by foals.

    Olav T. Oftedal;H. F. Hintz;H. F. Schryver

  • The Predominance of Type I Oligosaccharides Is a Feature Specific to Human Breast Milk

    Tadasu Urashima;Sadaki Asakuma;Fiame Leo;Kenji Fukuda

  • Evidence of a maternal foraging cycle resembling that of otariid seals in a small phocid, the harbor seal

    Daryl J. Boness;W. D. Bowen;Olav T. Oftedal

  • Mass and energy transfer during lactation in a small phocid, the harbor seal (Phoca vitulina)

    W. Don Bowen;Olav T. Oftedal;Daryl J. Boness

  • Lactation in whales and dolphins: evidence of divergence between baleen- and toothed-species.

    Olav T. Oftedal

  • Use of maternal reserves as a lactation strategy in large mammals.

    Olav T. Oftedal

  • CHAPTER 10 – Comparative Analysis of Nonhuman Milks: A. Phylogenetic Variation in the Gross Composition of Milks

    Olav T. Oftedal;Sara J. Iverson

  • Milk composition reflects pattern of material care in prosimian primates

    Christopher D. Tilden;Olav T. Oftedal

  • Patterns of Energy Output During Reproduction in Carnivores

    Olav T. Oftedal;John L. Gittleman

  • Ascorbic acid biosynthesis in Amazonian fishes

    Débora M. Fracalossi;Mary E. Allen;Lúcia.K. Yuyama;Olav T. Oftedal

Frequent Co-Authors

Daryl J. Boness
Daryl J. Boness University of New England
Tadao Saito
Tadao Saito Tohoku University
Sara J. Iverson
Sara J. Iverson Dalhousie University
Thomas H. Kunz
Thomas H. Kunz Boston University
W. Don Bowen
W. Don Bowen Bedford Institute of Oceanography
Harold F. Hintz
Harold F. Hintz Cornell University
Marilyn L. Fogel
Marilyn L. Fogel University of California, Riverside
Richard P. Bazinet
Richard P. Bazinet University of Toronto
Tai C. Chen
Tai C. Chen Boston University
Duane E. Ullrey
Duane E. Ullrey Michigan State University

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