World's Best Scientists 2026 revealed!

D-Index & Metrics

Animal Science and Veterinary

D-Index
39
Citations
6837
World Ranking
1252
National Ranking
370

James A. Pfister 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 A. Pfister 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: 433 publications — 97th percentile

97% of scientists in this discipline score the same or lower.

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

James A. Pfister 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 A. Pfister 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: 39 D-Index — 61st percentile

61% of scientists in this discipline score the same or lower.

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

Overview

James A. Pfister is affiliated with the United States Department of Agriculture in the United States. Their research spans several fields, primarily focusing on Agricultural and Biological Sciences as well as Biochemistry, Genetics, and Molecular Biology. Within these broad areas, Pfister's work delves into subfields such as Pharmacology, Molecular Biology, Plant Science, Ecology, Evolution, Behavior and Systematics.

The main topics of Pfister's research include Plant Toxicity and Pharmacological Properties, Plant-based Medicinal Research, Botanical Research and Chemistry, Berberine and alkaloids research, Plant and fungal interactions, Bacteriophages and microbial interactions, and Plant Virus Research Studies.

Pfister has contributed to several peer-reviewed papers, including:

  • Nutrition and Feeding Behavior of Goats and Sheep Grazing Deciduous Shrub-Woodland in Northeastern Brazil, 2021, Utah State Research and Scholarship (Utah State University)

Other recent publications in venues where Pfister is frequently involved include multiple papers in Toxicon and Biochemical Systematics and Ecology. Although some papers from related collaborators appear in these journals, those specific to Pfister concentrate on topics related to the toxic effects and biochemical analysis of various plants and their impact on animal health.

Frequent collaborators in Pfister's research include:

  • Daniel Cook
  • Kevin D. Welch
  • Dale R. Gardner
  • Clinton A. Stonecipher
  • Franklin Riet-Corrêa

These co-authors are engaged in related studies, often jointly exploring areas such as plant toxicity and animal interactions.

Pfister's publications are frequently found in these scientific journals:

  • Toxicon
  • Biochemical Systematics and Ecology
  • Cell Host & Microbe
  • Utah State Research and Scholarship (Utah State University)
  • Rangelands

Best Publications

  • Mechanisms of Learning in Diet Selection with Reference to Phytotoxicosis in Herbivores

    Frederick D. Provenza;James A. Pfister;Carl D. Cheney

  • Sheep and goat preference for and nutritional value of Mediterranean maquis shrubs

    J. Rogosic;J. A. Pfister;Frederick D. Provenza;D. Grbesa

  • Tall Larkspur Ingestion: Can Cattle Regulate Intake Below Toxic Levels

    James A. Pfister;Frederick D. Provenza;Gary D. Manners;Dale R. Gardner

  • Locoweeds: effects on reproduction in livestock.

    Panter Ke;James Lf;Stegelmeier Bl;Ralphs Mh

  • Dietary Selection by Goats and Sheep in a Deciduous Woodland of Northeastern Brazil

    James A. Pfister;John C. Malechek

  • Larkspur (Delphinium spp.) poisoning in livestock.

    J A Pfister;D R Gardner;K E Panter;G D Manners

  • Detection of monofluoroacetate in Palicourea and Amorimia species.

    Stephen T. Lee;Daniel Cook;Franklin Riet-Correa;James A. Pfister

  • Pyrrolizidine alkaloids in Senecio madagascariensis from Australia and Hawaii and assessment of possible livestock poisoning

    Dale R. Gardner;Mark S. Thorne;Russell J. Molyneux;James A. Pfister

  • Toxicity and chemical phenology of norditerpenoid alkaloids in the tall larkspurs (Delphinium species)

    Gary D. Manners;Kip E. Panter;Michael H. Ralphs;James A. Pfister

  • Herbivore response to anti-quality factors in forages.

    K L Launchbaugh;Frederick D Provenza;J A Pfister

  • The Voluntary Forage Intake and Nutrition of Goats and Sheep in the Semi-Arid Tropics of Northeastern Brazil

    James A. Pfister;James A. Pfister;John C. Malechek;John C. Malechek

  • Production of the alkaloid swainsonine by a fungal endosymbiont of the Ascomycete order Chaetothyriales in the host Ipomoea carnea.

    Daniel Cook;Wesley T. Beaulieu;Ivan W. Mott;Franklin Riet-Correa

  • Effects of predator fecal odors on feed selection by sheep and cattle

    James A. Pfister;Dietland Müller-Schwarze;David F. Balph

  • Conditioned Taste Aversion: Potential for Reducing Cattle Loss to Larkspur

    Mark A. Lane;Michael H. Ralphs;John D. Olsen;Frederick D. Provenza

  • Dose response of sheep poisoned with locoweed (Oxytropis sericea).

    Bryan L. Stegelmeier;Lynn F. James;Kip E. Panter;Dale R. Gardner

  • Dietary and fecal concentrations of nitrogen and phosphorus in penned white-tailed deer does

    Larry D. Howery;James A. Pfister

  • Brachiaria spp. poisoning in sheep in Brazil: experimental and epidemiological findings.

    M. B. Castro;H. L. Santos;V. S. Mustafa;C. V. Gracindo

  • Effects of phenology, site, and rumen fill on tall larkspur consumption by cattle.

    James A. Pfister;Gary D. Manners;Michael H. Ralphs;Zhao Xiao Hong

  • Toxic alkaloid concentration in tall larkspur species in the western U.S

    M.H. Ralphs;G.D. Manners;J.A. Pfister;D.R. Gardner

  • Grazing Behaviour of Llamas, Alpacas and Sheep in the Andes of Peru*

    J.A. Pfister;F. San Martin;L. Rosales;D.V. Sisson

  • Management of three toxic Delphinium species based on alkaloid concentrations

    James A Pfister;Michael H Ralphs;Dale R Gardner;Bryan L Stegelmeier

  • Monofluoroacetate-Containing Plants That Are Potentially Toxic to Livestock

    Stephen T. Lee;Daniel Cook;James A. Pfister;Jeremy G. Allen

Frequent Co-Authors

Daniel Cook
Daniel Cook US Department of Agriculture
Franklin Riet-Correa
Franklin Riet-Correa Federal University of Campina Grande
Frederick D. Provenza
Frederick D. Provenza Utah State University
Russell J. Molyneux
Russell J. Molyneux University of Hawaii at Hilo
Don C. Adams
Don C. Adams University of Nebraska–Lincoln
Gary L. Bennett
Gary L. Bennett Agricultural Research Service
Stephen Demarais
Stephen Demarais Mississippi State University
John W. Keele
John W. Keele Agricultural Research Service
Serge Yan Landau
Serge Yan Landau Agricultural Research Organization
Juan J. Villalba
Juan J. Villalba Utah State University

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Related Online Degrees & Career Pathways

For those interested in studying Animal Science and Veterinary fields, numerous related online degrees can complement and expand career opportunities. For example, pursuing an online PhD counselor education and supervision can open doors to specialized roles in animal behavior therapy or veterinary counseling services.

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Additionally, leadership positions like becoming a high school athletic director provide opportunities to manage sports programs and promote wellness, valuable skills that translate well to managing animal care teams. Learn more on how to become an high school athletic director and explore alternative career paths.

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