World's Best Scientists 2026 revealed!
Sylvia Ortmann

Sylvia Ortmann

D-Index & Metrics

Animal Science and Veterinary

D-Index
40
Citations
7198
World Ranking
1141
National Ranking
38

Sylvia Ortmann 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 Sylvia Ortmann 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: 85 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: 75 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: 18 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: 135 publications — 48th percentile

48% of scientists in this discipline score the same or lower.

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

Sylvia Ortmann 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 Sylvia Ortmann 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: 61 scientists 45 D-Index: 41 scientists 46 D-Index: 51 scientists 47 D-Index: 43 scientists 48 D-Index: 28 scientists 49 D-Index: 47 scientists 50 D-Index: 40 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: 40 D-Index — 64th percentile

64% of scientists in this discipline score the same or lower.

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

Overview

Sylvia Ortmann is affiliated with the Leibniz Association in Germany. Their research spans several interconnected fields, primarily within biochemistry, genetics, molecular biology, agricultural and biological sciences, and environmental science.

Their publication record includes a focus on subfields such as ecology, molecular biology, genetics, agronomy and crop science, and animal science and zoology. These areas reflect their diverse academic contributions across biological and environmental disciplines.

Key topics covered in Sylvia Ortmann's work include wildlife ecology and conservation, ruminant nutrition and digestive physiology, genomics and phylogenetic studies, genetic and phenotypic traits in livestock, genomics and chromatin dynamics, animal behavior and welfare studies, and reproductive physiology in livestock.

The scientist has contributed multiple papers published in well-known academic venues. Notable recent papers are:

  • Integrating gene annotation with orthology inference at scale (2023, Science)
  • A genomic timescale for placental mammal evolution (2023, Science)
  • Insights into mammalian TE diversity through the curation of 248 genome assemblies (2023, Science)
  • Mammalian evolution of human cis-regulatory elements and transcription factor binding sites (2023, Science)
  • The contribution of historical processes to contemporary extinction risk in placental mammals (2023, Science)

Frequent co-authors in Sylvia Ortmann's publications include Kerstin Lindblad-Toh, Elinor K. Karlsson, Michael Hiller, Diane P. Genereux, and Thomas Lehmann.

Their works have appeared mainly in the journal Science, with additional publications found in the Journal of Animal Physiology and Animal Nutrition, Zenodo (CERN European Organization for Nuclear Research), Ecology and Evolution, and the Proceedings of the National Academy of Sciences.

Best Publications

  • The endogenous cannabinoid system affects energy balance via central orexigenic drive and peripheral lipogenesis

    Daniela Cota;Giovanni Marsicano;Matthias Tschöp;Yvonne Grübler

  • Natural hypometabolism during hibernation and daily torpor in mammals.

    Gerhard Heldmaier;Sylvia Ortmann;Ralf Elvert

  • Central administration of ghrelin and agouti-related protein (83-132) increases food intake and decreases spontaneous locomotor activity in rats.

    Mads Tang-Christensen;Niels Vrang;Sylvia Ortmann;Martin Bidlingmaier

  • A case of non-scaling in mammalian physiology? Body size, digestive capacity, food intake, and ingesta passage in mammalian herbivores ☆

    Marcus Clauss;Angela Schwarm;Sylvia Ortmann;W. Jürgen Streich

  • Prenatal High Protein Exposure Decreases Energy Expenditure and Increases Adiposity in Young Rats

    Maren Daenzer;Sylvia Ortmann;Susanne Klaus;Cornelia C. Metges

  • PYY3-36 as an anti-obesity drug target.

    M. M. Boggiano;P. C. Chandler;K. D. Oswald;R. J. Rodgers

  • Food preferences of wild mountain gorillas

    Jessica Ganas;Sylvia Ortmann;Martha M. Robbins

  • Secrets of Success in a Landscape of Fear: Urban Wild Boar Adjust Risk Perception and Tolerate Disturbance

    Milena Stillfried;Pierre Gras;Konstantin Börner;Frank Göritz

  • Hyperphagia, lower body temperature, and reduced running wheel activity precede development of morbid obesity in New Zealand obese mice.

    Hella S. Jürgens;Annette Schürmann;Reinhart Kluge;Sylvia Ortmann

  • Do cities represent sources, sinks or isolated islands for urban wild boar population structure?

    Milena Stillfried;Jörns Fickel;Konstantin Börner;Ulrich Wittstatt

  • The relationship of food intake and ingesta passage predicts feeding ecology in two different megaherbivore groups

    Marcus Clauss;W. Jürgen Streich;Angela Schwarm;Sylvia Ortmann

  • Plant foods consumed by Pan: Exploring the variation of nutritional ecology across Africa

    Gottfried Hohmann;Kevin Potts;Antoine Kouame N'Guessan;Andrew Fowler

  • Excretion patterns of solute and different-sized particle passage markers in foregut-fermenting proboscis monkey (Nasalis larvatus) do not indicate an adaptation for rumination.

    Ikki Matsuda;John C M Sha;Sylvia Ortmann;Angela Schwarm

  • Identification of energy consumption and nutritional stress by isotopic and elemental analysis of urine in bonobos (Pan paniscus)

    Tobias Deschner;Benjamin T. Fuller;Benjamin T. Fuller;Vicky M. Oelze;Christophe Boesch

  • Behavioural Responses of European Roe Deer to Temporal Variation in Predation Risk

    Leif Sönnichsen;Leif Sönnichsen;Matthijs Bokje;Jessica Marchal;Heribert Hofer

  • The influence of natural diet composition, food intake level, and body size on ingesta passage in primates.

    Marcus Clauss;W. Jürgen Streich;Charles L. Nunn;Sylvia Ortmann

  • Excretion patterns of fluid and different sized particle passage markers in banteng (Bos javanicus) and pygmy hippopotamus (Hexaprotodon liberiensis): two functionally different foregut fermenters.

    Angela Schwarm;Sylvia Ortmann;Christian Wolf;W. Jürgen Streich

  • Development of diabetes in obese, insulin-resistant mice: essential role of dietary carbohydrate in beta cell destruction.

    H. S. Jürgens;S. Neschen;S. Ortmann;S. Scherneck

  • More efficient mastication allows increasing intake without compromising digestibility or necessitating a larger gut: Comparative feeding trials in banteng (Bos javanicus) and pygmy hippopotamus (Hexaprotodon liberiensis)

    Angela Schwarm;Sylvia Ortmann;Christian Wolf;W. Jürgen Streich

  • The effect of very low food intake on digestive physiology and forage digestibility in horses

    Marcus Clauss;K Schiele;S Ortmann;J Fritz

  • Studies on digestive physiology and feed digestibilities in captive Indian rhinoceros (Rhinoceros unicornis).

    Marcus Clauss;C Polster;E Kienzle;H Wiesner

  • Intake, ingesta retention, particle size distribution and digestibility in the hippopotamidae

    Marcus Clauss;A Schwarm;S Ortmann;D Alber

  • Digestion studies in captive Hippopotamidae: a group of large ungulates with an unusually low metabolic rate

    A Schwarm;S Ortmann;H Hofer;W J Streich

Frequent Co-Authors

Marcus Clauss
Marcus Clauss University of Zurich
Angela Schwarm
Angela Schwarm Norwegian University of Life Sciences
Jürgen Hummel
Jürgen Hummel University of Göttingen
Jean-Michel Hatt
Jean-Michel Hatt University of Zurich
Martha M. Robbins
Martha M. Robbins Max Planck Society
Gottfried Hohmann
Gottfried Hohmann Max Planck Society
W. Jürgen Streich
W. Jürgen Streich Leibniz Institute for Zoo and Wildlife Research
Heribert Hofer
Heribert Hofer Leibniz Association
Stephanie Kramer-Schadt
Stephanie Kramer-Schadt Leibniz Association

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Related Online Degrees & Career Pathways

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