World's Best Scientists 2026 revealed!

D-Index & Metrics

Animal Science and Veterinary

D-Index
49
Citations
10505
World Ranking
639
National Ranking
38

R. A. Leng 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 R. A. Leng 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: 181 publications — 68th percentile

68% of scientists in this discipline score the same or lower.

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

R. A. Leng 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 R. A. Leng 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: 49 D-Index — 80th percentile

80% of scientists in this discipline score the same or lower.

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

Overview

R. A. Leng is affiliated with the University of New England in Australia. Their research spans interdisciplinary fields, primarily focusing on Medicine and Decision Sciences.

The scientist has contributed to the understanding of physiological and health-related topics as well as decision-making processes and artificial intelligence applications. Their subfields of study include Physiology, Management Science and Operations Research, Genetics, and Artificial Intelligence.

Leng's recent publications address critical aspects of health and technology. One study, published in 2025 in Frontiers in Neurology, is titled Influence of sedentary behavior on sleep quality in postmenopausal women in high-altitude regions of China: a cross-sectional study. This work investigates the relationship between physical inactivity and sleep patterns among a specific population affected by environmental conditions. Another 2025 publication in Applied and Computational Engineering is Explainable AI in Quantitative Trading: Factor Selection and Model Transparency with Attention Mechanisms, which focuses on the application of explainable artificial intelligence within financial forecasting and model interpretability.

The scientist's work often intersects with themes such as high altitude and hypoxia, physical activity and health, dietary effects on health, stock market forecasting methods, forecasting techniques and applications, and explainable artificial intelligence (XAI).

R. A. Leng has collaborated with several researchers over recent projects. Frequent coauthors include Ailin Guo, Guoping Qian, and Sujie Mao.

Their publications have appeared mainly in the venues Frontiers in Neurology and Applied and Computational Engineering.

  • Medicine
  • Decision Sciences

  • Physiology
  • Management Science and Operations Research
  • Genetics
  • Artificial Intelligence

  • Influence of sedentary behavior on sleep quality in postmenopausal women in high-altitude regions of China: a cross-sectional study, 2025, Frontiers in Neurology
  • Explainable AI in Quantitative Trading: Factor Selection and Model Transparency with Attention Mechanisms, 2025, Applied and Computational Engineering

  • Ailin Guo
  • Guoping Qian
  • Sujie Mao

  • Frontiers in Neurology
  • Applied and Computational Engineering

  • High Altitude and Hypoxia
  • Physical Activity and Health
  • Dietary Effects on Health
  • Stock Market Forecasting Methods
  • Forecasting Techniques and Applications
  • Explainable Artificial Intelligence (XAI)

Best Publications

  • Matching ruminant production systems with available resources in the tropics and sub-tropics.

    T. R. Preston;R. A. Leng

  • Factors Affecting the Utilization of ‘Poor-Quality’ Forages by Ruminants Particularly Under Tropical Conditions

    R. A. Leng

  • Nitrogen Metabolism in the Rumen

    R.A. Leng;J.V. Nolan

  • Dynamic aspects of ammonia and urea metabolism in sheep

    J. V. Nolan;R. A. Leng

  • Duckweed - a potential high-protein feed resource for domestic animals and fish

    R A Leng;J H Stambolie;R Bell

  • Nitrate and sulfate: Effective alternative hydrogen sinks for mitigation of ruminal methane production in sheep

    S.M. van Zijderveld;W.J.J. Gerrits;J.A. Apajalahti;J.R. Newbold

  • Rates of production of methane in the rumen and large intestine of sheep.

    R. M. Murray;A. M. Bryant;R. A. Leng

  • Metabolism of urea in sheep.

    M. R. Cocimano;R. A. Leng

  • Contribution of propionate to glucose synthesis in sheep.

    RA Leng;JW Steel;JR Luick

  • Quantitative ruminant nutrition — a green science

    RA Leng

  • Further studies of the dynamics of nitrogen metabolism in sheep.

    J. V. Nolan;B. W. Norton;R. A. Leng

  • Interactions between microbial consortia in biofilms: a paradigm shift in rumen microbial ecology and enteric methane mitigation

    Ronald Leng

  • Measurement of the rates of production of acetic, propionic and butyric acids in the rumen of sheep

    R. A Leng;G. J Leonard

  • Community acquired pneumonia: aetiology and prognostic index evaluation.

    N. C. Karalus;R. T. Cursons;R. A. Leng;C. B. Mahood

  • Application of biotechnology to nutrition of animals in developing countries.

    R. A. Leng

  • The effects of defaunation of the rumen on the growth of cattle on low-protein high-energy diets.

    S. H. Bird;R. A. Leng

  • Biochar reduces enteric methane and improves growth and feed conversion in local "Yellow" cattle fed cassava root chips and fresh cassava foliage

    R A Leng;T R Preston;Sangkhom Inthapanya

  • Simultaneous measurements of the rates of production of acetic, propionic and butyric acids in the rumen of sheep on different diets and the correlation between production rates and concentrations of these acids in the rumen.

    R. A. Leng;D. J. Brett

  • Feed Resources for Animals in Asia: Issues, Strategies for Use, Intensification and Integration for Increased Productivity

    C Devendra;Ronald Leng

  • Evaluation of three isotope-dilution techniques for studying the kinetics of glucose metabolism in sheep

    R. G. White;J. W. Steel;R. A. Leng;J. R. Luick

  • Determination of the energy expenditure of penned and grazing sheep from estimates of carbon dioxide entry rate

    J. L. Corbett;D. J. Farrell;R. A. Leng;G. L. McClymont

  • Protein nutrition of growing lambs. 1. Responses in growth and rumen function to supplementation of a low-protein-cellulosic diet with either urea, casein or formaldehyde-treated casein.

    T. J. Kempton;R. A. Leng

  • The contribution of propionate to glucose synthesis in sheep given diets of different grain content.

    G. J. Judson;Elizabeth Anderson;J. R. Luick;R. A. Leng

  • Tree Foliage in Ruminant Nutrition

    Bernan;R. A. Leng

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Related Online Degrees & Career Pathways

Studying Animal Science and Veterinary in the USA opens doors to a variety of related career paths that blend science, health, and leadership. For example, those interested in overseeing sports programs or community wellness might explore how to become an athletic director, a role that requires management skills alongside knowledge of physical health. You can find more information on this path by checking out how do I become an athletic director.

If your passion lies in understanding body mechanics and improving physical performance, pursuing exercise science degrees online offers a flexible way to gain expertise. These programs provide foundational knowledge applicable to both human and animal health fields.

Additionally, degrees such as those offered in applied behavior analysis can complement veterinary studies, especially when working with animal behavior. Exploring bcba programs can provide valuable certification and skills in this domain.

For those combining science with psychological health, programs like nasp school psychology programs demonstrate how specialized online studies can support careers focused on behavioral health and development, which relate closely to animal behavior and welfare.

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