World's Best Scientists 2026 revealed!

D-Index & Metrics

Animal Science and Veterinary

D-Index
40
Citations
7348
World Ranking
1139
National Ranking
66

John Nolan 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 John Nolan 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: 237 publications — 82nd percentile

82% of scientists in this discipline score the same or lower.

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

John Nolan 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 John Nolan 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

John Nolan is a researcher affiliated with the University of New England in Australia. Their work spans multiple fields, primarily Medicine and Agricultural and Biological Sciences, reflecting a multidisciplinary approach to scientific investigation.

Nolan's research focuses significantly on areas such as Ruminant Nutrition and Digestive Physiology, with additional interests in Reproductive Physiology in Livestock, Nitric Oxide and Endothelin Effects, Diet and Metabolism Studies, Veterinary Pharmacology and Anesthesia, Gout and related metabolic conditions, and Autoimmune Bullous Skin Diseases.

Their publication record includes papers featured in various academic journals, such as:

  • "Nitrate and nitrite absorption, recycling and retention in tissues of sheep" (2021) published in Small Ruminant Research
  • "Dietary nitrate and presence of protozoa increase nitrate and nitrite reduction in the rumen of sheep" (2020) in the Journal of Animal Physiology and Animal Nutrition
  • "Implantation of XEN gel stent in a patient with ocular cicatricial pemphigoid" (2023) in American Journal of Ophthalmology Case Reports
  • "Clinicopathological and Prognostic Significance of CXCR4 Expression in Osteosarcoma: A Meta-Analysis" (2022) in Biomedicine
  • "Recent Advances in Animal Nutrition - Australia: people and circumstances shaping this symposium's successful first 50 years" (2021) in Animal Production Science

Their collaborative work includes frequent partnerships with researchers such as R. S. Hegarty, María Laura Villar, I. R. Godwin, Dirk V. Erler, and Hanieh Tohidi Farid.

John Nolan publishes commonly in specialized venues, with at least one contribution each to Small Ruminant Research, Journal of Animal Physiology and Animal Nutrition, American Journal of Ophthalmology Case Reports, Biomedicine, and Animal Production Science.

The scientist's research topics cover a broad range of subjects within life sciences and veterinary medicine, integrating studies on animal nutrition, reproductive health in livestock, and the effects of nitric oxide and endothelin. Their work also tackles biochemical processes related to diet and metabolism, along with clinical pharmacology and autoimmune conditions in veterinary contexts.

Best Publications

  • Feeding Standards for Australian Livestock Ruminants.

    J.L. Corbett;M. Freer;D.W. Hennessy;R.W. Hodge

  • Nitrogen Metabolism in the Rumen

    R.A. Leng;J.V. Nolan

  • Nutrient requirements of domesticated ruminants.

    M. Freer;H. Dove;J. V. Nolan

  • Dynamic aspects of ammonia and urea metabolism in sheep

    J. V. Nolan;R. A. Leng

  • Ruminant enteric methane mitigation: a review

    D. J. Cottle;J. V. Nolan;S. G. Wiedemann

  • Nitrogen digestion and metabolism in sheep consuming diets containing contrasting forms and levels of N

    R. C. Siddons;J. V. Nolan;D. E. Beever;J. C. Macrae

  • Effects of dietary nitrate on fermentation, methane production and digesta kinetics in sheep.

    John Nolan;Roger Hegarty;Jennifer Shirley Hegarty;Ian Godwin

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

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

  • Nutrient content and in sacco digestibility of barley grain and sprouted barley.

    Dachung D Dung;Ian Godwin;John Nolan

  • Fermentation and nitrogen dynamics in Merino sheep given a low-quality-roughage diet

    J. V. Nolan;S. Stachiw

  • Effects of Light Intensity During Rearing and Beak Trimming and Dietary Fiber Sources on Mortality, Egg Production, and Performance of ISA Brown Laying Hens

    S. Hartini;M. Choct;G. Hinch;A. Kocher

  • Diet selection in sheep: The role of the rumen environment in the selection of a diet from two feeds that differ in their energy density

    S. D. B. Cooper;I. Kyriazakis;J. V. Nolan

  • Effect of Dietary Fiber on Endogenous Nitrogen Flows in Lactating Dairy Cows

    D.R. Ouellet;M. Demers;G. Zuur;G.E. Lobley

  • The effect of haemonchosis and blood loss into the abomasum on digestion in sheep.

    J. B. Rowe;J. V. Nolan;G. de Chaneet;E. Teleni

  • Protein supplementation improves the performance of parasitised sheep fed a straw-based diet.

    F.U Datta;J.V Nolan;J.B Rowe;G.D Gray

  • A comparison of methods for the estimation of microbial nitrogen in duodenal digesta of sheep.

    R. C. Siddons;D. E. Beever;J. V. Nolan

  • Natural variability and diurnal fluctuations within the bacteriophage population of the rumen.

    Rosalind A. Swain;John V. Nolan;Andathol V. Klieve

  • Digestion and metabolism.

    E. F. Annison;D. B. Lindsay;J. V. Nolan;M. Freer

  • Long-term effects of short-term provision of protein-enriched diets on resistance to nematode infection, and live-weight gain and wool growth in sheep.

    F.U Datta;J.V Nolan;J.B Rowe;G.D Gray

  • An initial investigation on rumen fermentation pattern and methane emission of sheep offered diets containing urea or nitrate as the nitrogen source

    L. Li;J. Davis;J. Nolan;R. Hegarty

  • The Influence of Energy-Rich Supplements on Nitrogen Kinetics in Ruminants

    Y. Obara;D.W. Dellow;J.V. Nolan

  • The roles of energy- or protein-rich supplements in the subtropics for young cattle consuming basal diets that are low in digestible energy and protein

    D. W. Hennessy;P. J. Williamson;J. V. Nolan;T. J. Kempton

  • Nitrogen metabolism in Brahman cross, buffalo, banteng and Shorthorn steers fed on low-quality roughage

    BW Norton;JB Moran;JV Nolan

  • Acetate clearance rate as a potential index of the availability of glucogenic precursors in ruminants fed on roughage-based diets.

    P. B. Cronjé;J. V. Nolan;R. A. Leng

  • Food aversion conditioned in anesthetized sheep.

    Frederick D Provenza;Justin J Lynch;John V Nolan

  • Protein nutrition of growing lambs. 2. Effect on nitrogen digestion of supplementing a low-protein-cellulosic diet with either urea, casein or formaldehyde-treated casein.

    T. J. Kempton;J. V. Nolan;R. A. Leng

  • The relative importance of mother and toxicosis in the selection of foods by lambs.

    Frederick D. Provenza;Justin J. Lynch;John V. Nolan

  • Kinetics of large ciliate protozoa in the rumen of cattle given sugar cane diets

    R. A. Leng;M. Gill;T. J. Kempton;J. B. Rowe

Frequent Co-Authors

Geoffrey Hinch
Geoffrey Hinch University of New England
Paul Iji
Paul Iji Fiji National University
R. A. Leng
R. A. Leng University of New England
Mingan Choct
Mingan Choct University of New England
Frederick D. Provenza
Frederick D. Provenza Utah State University
Roger Hegarty
Roger Hegarty AgResearch
Ilias Kyriazakis
Ilias Kyriazakis Queen's University Belfast
D. L. Robinson
D. L. Robinson University of New England
Hélène Lapierre
Hélène Lapierre Agriculture and Agriculture-Food Canada
Diana Anderson
Diana Anderson University of Bradford

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Related Online Degrees & Career Pathways

For students interested in Animal Science and Veterinary studies, exploring related fields through online degrees can broaden career opportunities. Many programs integrate aspects of psychology, counseling, and therapy to support animal welfare and the human-animal bond. For example, students can find tailored support in programs like nasp approved online programs, which prepare professionals to assist with behavioral and developmental challenges—skills applicable in animal behavior studies.

Online psychology paths such as apa accredited psyd programs often offer flexible options for advanced practice. These programs emphasize clinical skills relevant to both human and animal clients, enhancing the effectiveness of veterinary professionals in multidisciplinary environments.

Career pathways also extend into counseling roles, including specialties like substance abuse. Prospective students aiming to become a drug counselor online can blend their animal care expertise with community health initiatives to address addiction-related issues among pet owners and caregivers.

Additionally, graduates may find rewarding opportunities in family dynamics and therapy. Accredited tracks such as online marriage and family therapy graduate programs provide foundational knowledge to support holistic treatment approaches that consider family and animal interactions.

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