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Sylvia Ortmann

Sylvia Ortmann

D-Index & Metrics

Animal Science and Veterinary

D-Index
40
Citations
7198
World Ranking
1138
National Ranking
38

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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