World's Best Scientists 2026 revealed!

D-Index & Metrics

Animal Science and Veterinary

D-Index
34
Citations
6767
World Ranking
1819
National Ranking
522

James D. Ferguson 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 James D. Ferguson 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: 91 publications — 21st percentile

21% of scientists in this discipline score the same or lower.

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

James D. Ferguson 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 James D. Ferguson 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: 34 D-Index — 43rd percentile

43% of scientists in this discipline score the same or lower.

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

Overview

James D. Ferguson is affiliated with the University of Pennsylvania in the United States. Their research focuses on several interconnected areas within agricultural and environmental sciences, emphasizing sustainability and resource management.

The main fields of study for Ferguson include Agricultural and Biological Sciences and Environmental Science. Their work also spans subfields such as Food Science, Ecology, and Plant Science. These areas reflect an integrative approach to understanding the environmental impacts and sustainability practices relevant to agriculture and food systems.

Ferguson's research topics primarily address themes around Food Waste Reduction and Sustainability, Agriculture Sustainability and Environmental Impact, and Organic Food and Agriculture. These topics indicate a focus on mitigating negative environmental effects while promoting sustainable agricultural practices.

Their recent publication titled "Leveraging dairy cattle to upcycle culled citrus fruit for emission mitigation and resource co-benefits: A case study" was published in 2024 in the journal Resources Conservation and Recycling. This work exemplifies the intersection of agricultural sustainability and environmental impact by exploring innovative methods to reduce waste and emissions in agro-industrial contexts.

Ferguson collaborates frequently with several coauthors, including:

  • Linda D. Baker
  • Joseph S. Bender
  • Sarah Rassler
  • Dipti Pitta
  • Sabrina Chann

Their publications have appeared predominantly in the venue Resources Conservation and Recycling, reinforcing the focus on sustainable resource management within agricultural systems.

Best Publications

  • Principal descriptors of body condition score in Holstein cows.

    James D. Ferguson;David T. Galligan;Neal Thomsen

  • Nonprotein Nitrogen and Protein Distribution in the Milk of Cows

    E.J. DePeters;J.D. Ferguson

  • Laboratory Procedures for Characterizing Manure Phosphorus

    Z. Dou;J. D. Toth;D. T. Galligan;C. F. Ramberg

  • Responses in urea and true protein of milk to different protein feeding schemes for dairy cows.

    L.D. Baker;J.D. Ferguson;W. Chalupa

  • Impact of Protein Nutrition on Reproduction in Dairy Cows

    James D. Ferguson;William Chalupa

  • A Sensitivity Analysis of Nitrogen Losses from Dairy Farms

    R.A. Kohn;Z. Dou;J.D. Ferguson;R.C. Boston

  • Serum Urea Nitrogen and Conception Rate: The Usefulness of Test Information

    Unknown

  • Phosphorus characteristics of dairy feces affected by diets.

    Zhengxia Dou;Katharine F. Knowlton;Richard A. Kohn;Zhiguo Wu

  • Temporal dynamics in the ruminal microbiome of dairy cows during the transition period

    D. W. Pitta;S. Kumar;B. Vecchiarelli;D. J. Shirley

  • Nutrition and Reproduction in Dairy Herds

    James D. Ferguson

  • Relationship Between Body Condition Score and Composition of Ninth to Eleventh Rib Tissue in Holstein Dairy Cows

    K.L. Otto;J.D. Ferguson;D.G. Fox;C.J. Sniffen

  • Objective estimation of body condition score by modeling cow body shape from digital images.

    G. Azzaro;M. Caccamo;J. D. Ferguson;S. Battiato

  • Metagenomic assessment of the functional potential of the rumen microbiome in Holstein dairy cows.

    Dipti W. Pitta;Nagaraju Indugu;Sanjay Kumar;Bonnie Vecchiarelli

  • Efficacy of Alum and Coal Combustion By-Products in Stabilizing Manure Phosphorus

    Z. Dou;G. Y. Zhang;W. L. Stout;J. D. Toth

  • Effect of Disease on Days Open Assessed by Survival Analysis

    Lisa A. Lee;James D. Ferguson;David T. Galligan

  • Effects of hard fats on in vitro and in vivo rumen fermentation, milk production and reproduction in dairy cows.

    J.D. Ferguson;D. Sklan;W.V. Chalupa;D.S. Kronfeld

  • Phosphorus Feeding Levels and Critical Control Points on Dairy Farms

    Z. Dou;J.D. Ferguson;J. Fiorini;J.D. Toth

  • Nitrogen- vs. phosphorus-based dairy manure applications to field crops: nitrate and phosphorus leaching and soil phosphorus accumulation.

    John D. Toth;Zhengxia Dou;James D. Ferguson;David T. Galligan

  • Economic Evaluation of Pregnancy Diagnosis in Dairy Cattle: A Decision Analysis Approach

    P.A. Oltenacu;J.D. Ferguson;A.J. Lednor

  • Diet, production and reproduction in dairy cows

    James D. Ferguson

  • Managing Nitrogen on Dairy Farms: An Integrated Approach I. Model Description

    Z. Dou;R.A. Kohn;J.D. Ferguson;R.C. Boston

  • A survey of dairy farming in Pennsylvania: nutrient management practices and implications.

    Z. Dou;D.T. Galligan;C.F. Ramberg;C. Meadows

  • Effects of rumen-protected γ-aminobutyric acid on feed intake, lactation performance, and antioxidative status in early lactating dairy cows

    D.M. Wang;C. Wang;H.Y. Liu;J.X. Liu

  • Reproductive performance in a select sample of dairy herds.

    James D. Ferguson;Andrew Skidmore

  • Manure sampling for nutrient analysis: variability and sampling efficacy.

    Z. Dou;D.T. Galligan;R.D. Allshouse;J.D. Toth

  • Positive end expiratory pressure: effects on lung mechanics of premature lambs.

    Thomas H. Shaffer;Peter A. Koen;Gordon D. Moskowitz;James D. Ferguson

Frequent Co-Authors

Zhengxia Dou
Zhengxia Dou University of Pennsylvania
William Chalupa
William Chalupa University of Pennsylvania
Richard A. Kohn
Richard A. Kohn University of Maryland, College Park
Raymond C. Boston
Raymond C. Boston St Vincent's Hospital
Giovanni Maria Farinella
Giovanni Maria Farinella University of Catania
Sebastiano Battiato
Sebastiano Battiato University of Catania
Giovanni Puglisi
Giovanni Puglisi University of Catania
C.E. Polan
C.E. Polan Virginia Tech
Roel F. Veerkamp
Roel F. Veerkamp Wageningen University & Research

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Related Online Degrees & Career Pathways

Exploring studies in Animal Science and Veterinary fields can open doors to various interdisciplinary career pathways. For those interested in combining health and management, understanding how to become a high school athletic director offers insight into leadership roles that involve overseeing athlete well-being, which parallels animal care in many ways.

Students aiming to merge biology with physical health might consider an online sports science degree. This path supports knowledge in physiology and rehabilitation, skills that complement veterinary practices focusing on animal mobility and therapy.

For those interested in behavioral studies, a behavioral analysis degree helps develop expertise in understanding and modifying behavior—an essential skill in training and caring for animals.

Additionally, combining foundational psychology with education through cheapest online school psychology programs can support careers in animal-assisted therapy and welfare, bridging human and animal health fields effectively.

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