World's Best Scientists 2026 revealed!
Tetsuo Asai

Tetsuo Asai

D-Index & Metrics

Animal Science and Veterinary

D-Index
33
Citations
3899
World Ranking
2017
National Ranking
18

Tetsuo Asai 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 Tetsuo Asai 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: 165 publications — 63rd percentile

63% of scientists in this discipline score the same or lower.

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

Tetsuo Asai 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 Tetsuo Asai 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: 33 D-Index — 39th percentile

39% of scientists in this discipline score the same or lower.

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

Overview

Tetsuo Asai is affiliated with Gifu University in Japan and has contributed extensively to research in multiple fields related to microbiology, veterinary science, and environmental impacts of antibiotics. Their work spans the areas of biochemistry, genetics, molecular biology, medicine, and agricultural and biological sciences.

The main subfields of their research include molecular medicine, pollution, food science, endocrinology, and infectious diseases. Central topics in Asai's research cover antibiotic resistance in bacteria, pharmaceutical and antibiotic environmental impacts, epidemiology of Salmonella and Campylobacter, Mycobacterium research and diagnosis, studies on Escherichia coli, enterobacteriaceae and Cronobacter research, as well as bacterial identification and susceptibility testing.

They have published numerous papers in journals frequently associated with veterinary and food safety sciences. The primary publication venues include:

  • Journal of Veterinary Medical Science
  • Antibiotics
  • Food Safety
  • Journal of the Japan Veterinary Medical Association
  • Microbiology and Immunology

Among recent publications authored or co-authored by Tetsuo Asai are:

  • Antimicrobial susceptibility of Escherichia coli isolates obtained from wild mammals between 2013 and 2017 in Japan, 2020, Journal of Veterinary Medical Science
  • Manure Compost Is a Potential Source of Tetracycline-Resistant Escherichia coli and Tetracycline Resistance Genes in Japanese Farms, 2020, Antibiotics
  • Antimicrobial Resistance in Salmonella Isolated from Food Workers and Chicken Products in Japan, 2021, Antibiotics
  • Prevalence of Colistin-Resistant Bacteria among Retail Meats in Japan, 2021, Food Safety
  • Isolation of ST398 methicillin-resistant Staphylococcus aureus from pigs at abattoirs in Tohoku region, Japan, 2020, Journal of Veterinary Medical Science

Frequent collaborators in their research efforts include:

  • Michiyo Sugiyama
  • Yoshimasa Sasaki
  • Justice Opare Odoi
  • Masaru Usui
  • Kenji Ohya

Best Publications

  • Extended-Spectrum-β-Lactamase-Producing Escherichia coli Strains Isolated from Farm Animals from 1999 to 2002: Report from the Japanese Veterinary Antimicrobial Resistance Monitoring Program

    Akemi Kojima;Yoshikazu Ishii;Kanako Ishihara;Hidetake Esaki

  • Role of Antimicrobial Selective Pressure and Secondary Factors on Antimicrobial Resistance Prevalence in Escherichia coli from Food-Producing Animals in Japan

    Kazuki Harada;Tetsuo Asai

  • Increased levels of tumor necrosis factor and interleukin 1 in bronchoalveolar lavage fluids from pigs infected with Mycoplasma hyopneumoniae

    Tetsuo Asai;Munenori Okada;Masaaki Ono;Toshio Irisawa

  • Elevated serum haptoglobin in pigs infected with porcine reproductive and respiratory syndrome virus.

    Tetsuo Asai;Masafumi Mori;Munenori Okada;Katsuyoshi Uruno

  • Correlation between the usage volume of veterinary therapeutic antimicrobials and resistance in Escherichia coli isolated from the feces of food-producing animals in Japan.

    Tetsuo Asai;Akemi Kojima;Kazuki Harada;Kanako Ishihara

  • Development of a one-run real-time PCR detection system for pathogens associated with bovine respiratory disease complex

    Mai Kishimoto;Shinobu Tsuchiaka;Shinobu Tsuchiaka;Sayed Samim Rahpaya;Sayed Samim Rahpaya;Ayako Hasebe

  • Phylogenetic groups and cephalosporin resistance genes of Escherichia coli from diseased food-producing animals in Japan

    Tetsuo Asai;Kaori Masani;Chizuru Sato;Mototaka Hiki

  • Role of coresistance in the development of resistance to chloramphenicol in Escherichia coli isolated from sick cattle and pigs.

    Kazuki Harada;Tetsuo Asai;Akemi Kojima;Kanako Ishihara

  • Detection of interleukin-6 and prostaglandin E2 in bronchoalveolar lavage fluids of pigs experimentally infected with Mycoplasma hyopneumoniae

    Tetsuo Asai;Munenori Okada;Masaaki Ono;Yasuyuki Mori

  • High prevalence of mcr-1, mcr-3 and mcr-5 in Escherichia coli derived from diseased pigs in Japan

    Akira Fukuda;Toyotaka Sato;Masaaki Shinagawa;Satoshi Takahashi

  • Association of antimicrobial resistance in Campylobacter isolated from food-producing animals with antimicrobial use on farms.

    Tetsuo Asai;Kazuki Harada;Kanako Ishihara;Akemi Kojima

  • Decreased Resistance to Broad-Spectrum Cephalosporin in Escherichia coli from Healthy Broilers at Farms in Japan After Voluntary Withdrawal of Ceftiofur.

    Mototaka Hiki;Michiko Kawanishi;Hitoshi Abo;Akemi Kojima

  • Continued circulation of reassortant H1N2 influenza viruses in pigs in Japan

    T. Ito;Y. Kawaoka;A. Vines;H. Ishikawa

  • Antimicrobial Susceptibilities, SErogroups, and Molecular Characterization of Avian Pathogenic Escherichia coli Isolates in Japan

    Manao Ozawa;A Kazuki Harada;Akemi Kojima;Tetsuo Asai

  • Isolation of meticillin-resistant Staphylococcus aureus (MRSA) from swine in Japan.

    Kotaro Baba;Kanako Ishihara;Manao Ozawa;Yutaka Tamura

  • National surveillance of Salmonella enterica in food-producing animals in Japan

    Kanako Ishihara;Kanako Ishihara;Toshio Takahashi;Ayako Morioka;Akemi Kojima

  • Antimicrobial resistance in Salmonella isolates from apparently healthy food-producing animal from 2000 to 2003: the first stage of Japanese veterinary antimicrobial resistance monitoring (JVARM).

    Tetsuo Asai;Hidetake Esaki;Akemi Kojima;Kanako Ishihara

  • Shedding of porcine circovirus into colostrum of sows.

    I. Shibata;Y. Okuda;K. Kitajima;T. Asai

  • Antimicrobial Susceptibility of Pathogenic Escherichia coli Isolated from Sick Cattle and Pigs in Japan

    Kazuki Harada;Tetsuo Asai;Akemi Kojima;Chitose Oda

  • National monitoring for antimicrobial resistance among indicator bacteria isolated from food-producing animals in Japan.

    Akemi Kojima;Tetsuo Asai;Kanako Ishihara;Kanako Ishihara;Ayako Morioka

  • Increase in resistance to extended-spectrum cephalosporins in Salmonella isolated from retail chicken products in Japan.

    Tamie Noda;Koichi Murakami;Yoshiki Etoh;Fuyuki Okamoto

  • Comparison of Campylobacter isolated from humans and food-producing animals in Japan

    K. Ishihara;T. Yamamoto;S. Satake;S. Takayama

  • Campylobacter cross-contamination of chicken products at an abattoir.

    Y. Sasaki;N. Maruyama;B. Zou;M. Haruna

  • Diversity of plasmid replicons encoding the bla(CMY-2) gene in broad-spectrum cephalosporin-resistant Escherichia coli from livestock animals in Japan.

    Mototaka Hiki;Masaru Usui;Akemi Kojima;Manao Ozawa

Frequent Co-Authors

Tetsuya Mizutani
Tetsuya Mizutani Tokyo University of Agriculture and Technology
Haruo Watanabe
Haruo Watanabe National Institutes of Health
Hideto Fukushi
Hideto Fukushi Gifu University
Makoto Kuroda
Makoto Kuroda National Institutes of Health
Toshifumi Minamoto
Toshifumi Minamoto Kobe University
Makoto Ohnishi
Makoto Ohnishi National Institutes of Health
Shinji Makino
Shinji Makino The University of Texas Medical Branch at Galveston
Hideshige Takada
Hideshige Takada Tokyo University of Agriculture and Technology
Hirokazu Kimura
Hirokazu Kimura RMIT University
Nariaki Nonaka
Nariaki Nonaka Hokkaido University

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Related Online Degrees & Career Pathways

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Finally, pursuing a phd in counseling online allows professionals to develop expertise in counseling techniques, research, and leadership—skills increasingly valuable in animal science fields that emphasize mental health and behavior.

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