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Animal Science and Veterinary
USA
2026

D-Index & Metrics

Animal Science and Veterinary

D-Index
93
Citations
28368
World Ranking
28
National Ranking
10

Peter J. Hansen 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 Peter J. Hansen 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: 511 publications — 98th percentile

98% of scientists in this discipline score the same or lower.

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

Peter J. Hansen 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 Peter J. Hansen 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: 93 D-Index — 99th percentile

99% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2026 - Research.com Animal Science and Veterinary in United States Leader Award
  • 2025 - Research.com Animal Science and Veterinary in United States Leader Award
  • 2023 - Research.com Animal Science and Veterinary in United States Leader Award
  • 2010 - Zinpro Award for Excellence in Dairy Science, American Dairy Science Association
  • 2009 - American Dairy Science Association Fellowship Award
  • 1991 - Cargill Animal Nutrition Young Scientist Award, American Dairy Science Association

Overview

Peter J. Hansen is affiliated with the University of Florida in the United States. Their research focuses broadly on areas related to biochemistry, genetics, and molecular biology, with significant contributions to medicine and agricultural and biological sciences. Within these fields, Hansen's work engages deeply with genetics, agronomy and crop science, public health, environmental and occupational health, molecular biology, and animal science and zoology.

Their main research topics include reproductive biology and fertility, reproductive physiology in livestock, genetic and phenotypic traits in livestock, effects of environmental stressors on livestock, animal genetics and reproduction, reproductive system and pregnancy, and pluripotent stem cells research.

Hansen has published extensively, with notable recent papers including:

  • The incompletely fulfilled promise of embryo transfer in cattle-why aren't pregnancy rates greater and what can we do about it? (2020, Journal of Animal Science)
  • Prospects for gene introgression or gene editing as a strategy for reduction of the impact of heat stress on production and reproduction in cattle (2020, Theriogenology)
  • Implications of Assisted Reproductive Technologies for Pregnancy Outcomes in Mammals (2020, Annual Review of Animal Biosciences)
  • Review: Some challenges and unrealized opportunities toward widespread use of the in vitro-produced embryo in cattle production (2023, animal)

Frequent publication venues for Hansen include:

  • Journal of Animal Science
  • Biology of Reproduction
  • Journal of Dairy Science
  • Theriogenology
  • Reproduction Fertility and Development

Collaborations are a significant aspect of Hansen's work. They have frequently co-authored with researchers such as Eliab Estrada-Cortés, Thiago F Amaral, María Belén Rabaglino, Yao Xiao, and Froylan Sosa.

Throughout their career, Hansen has received several awards including the Zinpro Award for Excellence in Dairy Science (American Dairy Science Association, 2010), the American Dairy Science Association Fellowship Award (2009), and the Cargill Animal Nutrition Young Scientist Award (American Dairy Science Association, 1991).

Best Publications

  • Effects of heat stress on mammalian reproduction.

    Peter J. Hansen

  • Physiological and cellular adaptations of zebu cattle to thermal stress

    P.J Hansen

  • Is the temperature-humidity index the best indicator of heat stress in lactating dairy cows in a subtropical environment?

    S. Dikmen;P.J. Hansen

  • Developmental changes in embryonic resistance to adverse effects of maternal heat stress in cows

    Alan D. Ealy;Maarten Drost;Peter J. Hansen

  • Strategies for managing reproduction in the heat-stressed dairy cow.

    P J Hansen;C F Aréchiga

  • Effect of Season and Exposure to Heat Stress on Oocyte Competence in Holstein Cows

    Y.M. Al-Katanani;F.F. Paula-Lopes;P.J. Hansen

  • Differential responses of bovine oocytes and preimplantation embryos to heat shock

    J. Lannett Edwards;Peter J. Hansen

  • Concepts for regulation of corpus luteum function by the conceptus and ovarian follicles to improve fertility

    W.W. Thatcher;K.L. Macmillan;P.J. Hansen;M. Drost

  • Progesterone During Pregnancy: Endocrine–Immune Cross Talk in Mammalian Species and the Role of Stress

    Petra Arck;Peter J. Hansen;Biserka Mulac Jericevic;Marie Pierre Piccinni

  • Fertilizing capacity of bovine sperm may be maintained by binding of oviductal epithelial cells.

    J W Pollard;C Plante;W A King;P J Hansen

  • Factors affecting seasonal variation in 90-day nonreturn rate to first service in lactating Holstein cows in a hot climate.

    Yaser M. Al-Katanani;D.W. Webb;P.J. Hansen

  • Development of cultured bovine embryos after exposure to high temperatures in the physiological range

    RM Rivera;PJ Hansen

  • Exploitation of genetic and physiological determinants of embryonic resistance to elevated temperature to improve embryonic survival in dairy cattle during heat stress

    P.J. Hansen

  • Adverse impact of heat stress on embryo production: causes and strategies for mitigation

    P.J. Hansen;M. Drost;R.M. Rivera;F.F. Paula-Lopes

  • Mastitis and fertility in cattle - possible involvement of inflammation or immune activation in embryonic mortality.

    Peter J. Hansen;Paolete Soto;Roger P. Natzke

  • Disruption of nuclear maturation and rearrangement of cytoskeletal elements in bovine oocytes exposed to heat shock during maturation

    Z Roth;P J Hansen

  • Involvement of Apoptosis in Disruption of Developmental Competence of Bovine Oocytes by Heat Shock During Maturation

    Z. Roth;P. J. Hansen

  • Heat Shock-Induced Apoptosis in Preimplantation Bovine Embryos Is a Developmentally Regulated Phenomenon

    F. F. Paula-Lopes;P. J. Hansen

  • Effects of Timed Insemination and Supplemental β-Carotene on Reproduction and Milk Yield of Dairy Cows Under Heat Stress

    C.F. Aréchiga;C.R. Staples;L.R. McDowell;P.J. Hansen

  • Elevated temperature increases heat shock protein 70 synthesis in bovine two-cell embryos and compromises function of maturing oocytes.

    J L Edwards;P J Hansen

  • Discovery of single nucleotide polymorphisms in candidate genes associated with fertility and production traits in Holstein cattle

    Sarah D Cochran;John B Cole;Daniel J Null;Peter J Hansen

  • Extension of Corpus Luteum Lifespan and Reduction of Uterine Secretion of Prostaglandin F2α of Cows in Response to Recombinant Interferon-τ

    M.D. Meyer;P.J. Hansen;W.W. Thatcher;M. Drost

  • Identification of Possible Mediators of Embryonic Mortality Caused by Mastitis: Actions of Lipopolysaccharide, Prostaglandin F2α, and the Nitric Oxide Generator, Sodium Nitroprusside Dihydrate, on Oocyte Maturation and Embryonic Development in Cattle

    P. Soto;R. P. Natzke;P. J. Hansen

  • Identification of bovine trophoblast protein-1, a secretory protein immunologically related to ovine trophoblast protein-1

    S. D. Helmer;P. J. Hansen;R. V. Anthony;W. W. Thatcher

  • Characteristics of the Estrous Cycle and Antioxidant Status of Lactating Holstein Cows Exposed to Heat Stress

    Jennifer P. Trout;Lee R. McDowell;Peter J. Hansen

Frequent Co-Authors

Alan D. Ealy
Alan D. Ealy Virginia Tech
William W. Thatcher
William W. Thatcher University of Florida
John B. Cole
John B. Cole United States Department of Agriculture
Fuller W. Bazer
Fuller W. Bazer Texas A&M University
Thomas E. Spencer
Thomas E. Spencer University of Missouri
C.R. Staples
C.R. Staples University of Florida
Wenjun Liu
Wenjun Liu Chinese Academy of Sciences
A. De Vries
A. De Vries University of Florida
Raluca G. Mateescu
Raluca G. Mateescu University of Florida
Ronaldo L.A. Cerri
Ronaldo L.A. Cerri University of British Columbia

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Related Online Degrees & Career Pathways

Exploring online degrees related to Animal Science and Veterinary fields offers diverse opportunities to advance your career. For instance, pursuing an online doctoral programs in counseling can complement your skills, especially if you are interested in animal behavior or therapy involving animals.

If you’re focused on roles directly involving animals, there are several well-paying careers to consider. The guide on jobs with animals that pay well highlights many paths where a background in Animal Science or Veterinary studies can be highly beneficial.

Beyond animal-specific careers, interdisciplinary options such as becoming an athletic director may appeal to those who want to combine their interest in health and animal science. To understand this route, check out how to become an athletic director and the associated career pathways.

Additionally, obtaining an exercise science online degree can open doors in fields related to animal rehabilitation or physical therapy, offering a complementary approach to traditional veterinary or animal science careers.

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