World's Best Scientists 2026 revealed!
Yuzo Koketsu

Yuzo Koketsu

D-Index & Metrics

Animal Science and Veterinary

D-Index
32
Citations
3534
World Ranking
2169
National Ranking
21

Yuzo Koketsu 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 Yuzo Koketsu 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: 170 publications — 65th percentile

65% of scientists in this discipline score the same or lower.

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

Yuzo Koketsu 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 Yuzo Koketsu 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: 32 D-Index — 34th percentile

34% of scientists in this discipline score the same or lower.

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

Overview

Yuzo Koketsu is a researcher primarily affiliated with Meiji University in Japan. The key focus of their research lies in agricultural and biological sciences, particularly within veterinary disciplines. Their publication record spans topics such as animal behavior and welfare studies, animal nutrition and physiology, disease management and epidemiology in animals, effects of environmental stressors on livestock, agricultural sustainability and environmental impact, meat and animal product quality, as well as sensory analysis and statistical methods.

Their work frequently appears in several journals, with a notable number of publications in Porcine Health Management and the Journal of Animal Science. Other venues include Preventive Veterinary Medicine, Journal of Veterinary Medical Science, and Nihon Yoton Gakkaishi.

Among their recent papers are:

  • Farm data analysis for lifetime performance components of sows and their predictors in breeding herds, 2020, Porcine Health Management
  • A 10-year trend in piglet pre-weaning mortality in breeding herds associated with sow herd size and number of piglets born alive, 2021, Porcine Health Management
  • Increased age at first-mating interacting with herd size or herd productivity decreases longevity and lifetime reproductive efficiency of sows in breeding herds, 2020, Porcine Health Management

Yuzo Koketsu has collaborated with various co-authors, including Carlos Piñeiro, Ryosuke Iida, M. Rodríguez, Gonzalo Díaz-Amor, and J. Morales. The most frequent collaborators are Carlos Piñeiro and Ryosuke Iida.

Their research fields can be divided into two main disciplines:

  • Agricultural and Biological Sciences
  • Veterinary

Within subfields of study, their work mainly addresses:

  • Animal Science and Zoology
  • Small Animals
  • Agronomy and Crop Science
  • Ecology
  • Food Science

Main topics of their research include:

  • Animal Behavior and Welfare Studies
  • Animal Nutrition and Physiology
  • Animal Disease Management and Epidemiology
  • Effects of Environmental Stressors on Livestock
  • Agriculture Sustainability and Environmental Impact
  • Meat and Animal Product Quality
  • Sensory Analysis and Statistical Methods

Best Publications

  • Factors for improving reproductive performance of sows and herd productivity in commercial breeding herds

    Yuzo Koketsu;Satomi Tani;Ryosuke Iida

  • Factors influencing the postweaning reproductive performance of sows on commercial farms

    Y. Koketsu;G.D. Dial

  • Feed intake pattern during lactation and subsequent reproductive performance of sows

    Yuzo Koketsu;Gary D. Dial;James E. Pettigrew;Vickie L. King

  • Longevity, lifetime pig production and productivity, and age at first conception in a cohort of gilts observed over six years on commercial farms.

    Yuzo Koketsu;Hiroshi Takahashi;Katsuyoshi Akachi

  • Characterization of feed intake patterns during lactation in commercial swine herds

    Yuzo Koketsu;Gary D. Dial;James E. Pettigrew;William E. Marsh

  • Effects of dietary lysine intake during lactation on blood metabolites, hormones, and reproductive performance in primiparous sows.

    H. Yang;J. E. Pettigrew;Lee J Johnston;Gerald C Shurson

  • Influence of imposed feed intake patterns during lactation on reproductive performance and on circulating levels of glucose, insulin, and luteinizing hormone in primiparous sows

    Yuzo Koketsu;Gary D. Dial;James E. Pettigrew;William E. Marsh

  • Management factors associated with swine breeding-herd productivity in the United States.

    Vickie L King;Yuzo Koketsu;David Reeves;Jinliang Xue

  • Influence of various factors on farrowing rate on farms using early weaning

    Yuzo Koketsu;Gary D. Dial;Vickie L. King

  • Returns to service after mating and removal of sows for reproductive reasons from commercial swine farms.

    Yuzo Koketsu;G D Dial;V L King

  • Sows having high lifetime efficiency and high longevity associated with herd productivity in commercial herds

    Yosuke Sasaki;Yuzo Koketsu

  • Variability and repeatability in gestation length related to litter performance in female pigs on commercial farms.

    Y. Sasaki;Y. Koketsu

  • Influence of lactation length and feed intake on reproductive performance and blood concentrations of glucose, insulin and luteinizing hormone in primiparous sows

    Yuzo Koketsu;Gary D. Dial;James E. Pettigrew;JinLiang Xue

  • Six component intervals of nonproductive days by breeding-female pigs on commercial farms.

    Y. Koketsu

  • INTERACTIONS BETWEEN THE ASSOCIATIONS OF PARITY, LACTATION LENGTH, AND WEANING-TO-CONCEPTION INTERVAL WITH SUBSEQUENT LITTER SIZE IN SWINE HERDS USING EARLY WEANING

    Yuzo Koketsu;Gary D Dial

  • Within-farm variability in age structure of breeding-female pigs and reproductive performance on commercial swine breeding farms

    Yuzo Koketsu

  • Influence of feed intake during individual weeks of lactation on reproductive performance of sows on commercial farms

    Yuzo Koketsu;Gary D. Dial;James E. Pettigrew;Vickie L. King

  • Big (pig) data and the internet of the swine things: a new paradigm in the industry.

    Carlos Piñeiro;Joaquín Morales;María Rodríguez;María Aparicio

  • Preweaning mortality risks and recorded causes of death associated with production factors in swine breeding herds in Japan.

    Yuzo Koketsu;Shougo Takenobu;Ryoko Nakamura

  • Associations between age of gilts at first mating and lifetime performance or culling risk in commercial herds.

    Hikari Saito;Yosuke Sasaki;Yuzo Koketsu

  • Mortality, death interval, survivals, and herd factors for death in gilts and sows in commercial breeding herds.

    Y. Sasaki;Y. Koketsu

  • Farm data analysis for lifetime performance components of sows and their predictors in breeding herds.

    Yuzo Koketsu;Ryosuke Iida

  • Longevity and efficiency associated with age structures of female pigs and herd management in commercial breeding herds.

    Y. Koketsu

  • Productivity characteristics of high-performing commercial swine breeding farms.

    Yuzo Koketsu

  • A 10-year trend in piglet pre-weaning mortality in breeding herds associated with sow herd size and number of piglets born alive

    Yuzo Koketsu;Ryosuke Iida;Carlos Piñeiro

  • Glucose tolerance, luteinizing hormone release, and reproductive performance of first-litter sows fed two levels of energy during gestation.

    JinLiang Xue;Yuzo Koketsu;Gary D. Dial;James Pettigrew

  • Reproductive profile and lifetime efficiency of female pigs by culling reason in high-performing commercial breeding h erds

    Yosuke Sasaki;Yuzo Koketsu

  • Claw lesions in lactating sows on commercial farms were associated with postural behavior but not with suboptimal reproductive performance or culling risk

    M. Enokida;Y. Sasaki;Y. Hoshino;H. Saito

  • Sows having high lifetime efficiency and high longevity associated with herd productivity

    Y. Sasaki;Y. Koketsu

Frequent Co-Authors

Gary D. Dial
Gary D. Dial University of Minnesota
William E. Marsh
William E. Marsh Virginia Tech
Gerald C Shurson
Gerald C Shurson University of Minnesota
Lee J Johnston
Lee J Johnston University of Minnesota
Michael D. Tokach
Michael D. Tokach Kansas State University
Brian A Crooker
Brian A Crooker University of Minnesota

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Related Online Degrees & Career Pathways

Students interested in Animal Science and Veterinary studies often explore complementary fields that enhance their expertise and career prospects. For those drawn to the behavioral and psychological aspects of animal care, nasp approved online programs offer valuable training in psychology that can translate to improved animal behavior understanding and client communication.

Similarly, mental health plays a crucial role in both human and animal wellness. Many professionals expand their skill set by enrolling in apa accredited online programs, which provide advanced clinical education without requiring GRE scores, appealing to working adults seeking flexible options.

Another relevant pathway includes specializing in addiction and counseling. Online options like an online substance abuse counseling degree prepare graduates for roles supporting individuals and communities affected by addiction, which often intersects with veterinary practice through animal-assisted therapies.

Finally, the human-animal bond is strengthened by professionals trained in family and relationship dynamics. Pursuing marriage and family masters programs offers insight into holistic approaches that support both animals and their families.

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