World's Best Scientists 2026 revealed!
Weerachai Saijuntha

Weerachai Saijuntha

D-Index & Metrics

Animal Science and Veterinary

D-Index
22
Citations
1982
World Ranking
3106
National Ranking
11

Weerachai Saijuntha 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 Weerachai Saijuntha 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: 104 publications — 30th percentile

30% of scientists in this discipline score the same or lower.

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

Weerachai Saijuntha 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 Weerachai Saijuntha 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: 22 D-Index — 2nd percentile

2% of scientists in this discipline score the same or lower.

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

Overview

Weerachai Saijuntha is affiliated with Mahasarakham University in Thailand and has contributed extensively to research in environmental science and agricultural and biological sciences. Their work encompasses both broad and specialized areas, notably ecology and parasitology.

Their research spans several subfields, including ecology, parasitology, small animals, insect science, and ecology, evolution, behavior, and systematics. The main topics covered in their publications reflect a focus on parasite biology and host interactions, helminth infection and control, aquatic ecosystems and phytoplankton dynamics, aquatic invertebrate ecology and behavior, and insect symbiosis and bacterial influences.

Weerachai Saijuntha has published in a variety of scientific venues. Frequent publication outlets include:

  • Animals
  • Biology
  • Parasitology Research
  • Parasitology
  • Tropical Medicine and Health

They have collaborated regularly with several researchers, including:

  • Warayutt Pilap
  • Chairat Tantrawatpan
  • Ross H. Andrews
  • Takeshi Agatsuma
  • Trevor N. Petney

Some of their recent notable papers include:

  • Foodborne zoonotic parasites of the family Opisthorchiidae, 2020, Research in Veterinary Science
  • Insights in the Global Genetics and Gut Microbiome of Black Soldier Fly, Hermetia illucens: Implications for Animal Feed Safety Control, 2020, Frontiers in Microbiology
  • Comparative mitogenomics of the zoonotic parasite Echinostoma revolutum resolves taxonomic relationships within the 'E. revolutum' species group and the Echinostomata (Platyhelminthes: Digenea), 2020, Parasitology
  • Distribution of Blastocystis subtypes isolated from various animal hosts in Thailand, 2023, Research in Veterinary Science
  • Neocylindrospermum variakineticum gen. & sp. nov. (Nostocales, Cyanobacteria), a novel genus separated from Cylindrospermum using a polyphasic method, 2022, Phycologia

Best Publications

  • The zoonotic, fish-borne liver flukes Clonorchis sinensis, Opisthorchis felineus and Opisthorchis viverrini.

    Trevor N. Petney;Ross H. Andrews;Ross H. Andrews;Weerachai Saijuntha;Alexandra Wenz-Mücke

  • Evidence of a species complex within the food-borne trematode Opisthorchis viverrini and possible co-evolution with their first intermediate hosts.

    Weerachai Saijuntha;Paiboon Sithithaworn;Sopit Wongkham;Thewarach Laha

  • Exceptionally High Prevalence of Infection of Bithynia siamensis goniomphalos with Opisthorchis viverrini Cercariae in Different Wetlands in Thailand and Lao PDR

    Nadda Kiatsopit;Paiboon Sithithaworn;Weerachai Saijuntha;Thidarut Boonmars

  • Insights in the Global Genetics and Gut Microbiome of Black Soldier Fly, Hermetia illucens: Implications for Animal Feed Safety Control

    Fathiya M. Khamis;Fidelis L. O. Ombura;Komivi S. Akutse;Sevgan Subramanian

  • Ticks (Argasidae, Ixodidae) and tick-borne diseases of continental Southeast Asia.

    Trevor N. Petney;Weerachai Saijuntha;Nathalie Boulanger;Lidia Chitimia-Dobler

  • Evaluation of PCR based coprodiagnosis of human opisthorchiasis.

    C.R. Stensvold;W. Saijuntha;P. Sithithaworn;S. Wongratanacheewin

  • Mitochondrial DNA sequence variation among geographical isolates of Opisthorchis viverrini in Thailand and Lao PDR, and phylogenetic relationships with other trematodes.

    W. Saijuntha;P. Sithithaworn;S. Wongkham;T. Laha

  • Recent Advances in the Diagnosis and Detection of Opisthorchis viverrini Sensu Lato in Human and Intermediate Hosts for Use in Control and Elimination Programs.

    Weerachai Saijuntha;Kanyarat Duenngai;Sirikachorn Tangkawattana;Trevor N Petney

  • Liver Flukes: Clonorchis and Opisthorchis

    Weerachai Saijuntha;Paiboon Sithithaworn;Nadda Kaitsopit;Ross H. Andrews

  • Foodborne zoonotic parasites of the family Opisthorchiidae.

    Weerachai Saijuntha;Paiboon Sithithaworn;Trevor N. Petney;Ross H. Andrews

  • Liver Flukes: Clonorchis and Opisthorchis

    Unknown

  • Genetic variation and relationships of four species of medically important echinostomes (Trematoda: Echinostomatidae) in South-East Asia

    Weerachai Saijuntha;Paiboon Sithithaworn;Kunyarat Duenngai;Nadda Kiatsopit

  • The systematics and population genetics of Opisthorchis viverrini sensu lato: implications in parasite epidemiology and bile duct cancer.

    Paiboon Sithithaworn;Ross H. Andrews;Trevor N. Petney;Weerachai Saijuntha

  • Rodents as a Source of Salmonella Contamination in Wet Markets in Thailand.

    Alexis Ribas;Weerachai Saijuntha;Takeshi Agatsuma;Veronika Prantlová

  • Zoonotic Echinostome Infections in Free-Grazing Ducks in Thailand

    Weerachai Saijuntha;Kunyarat Duenngai;Chairat Tantrawatpan

  • Biological variation within Opisthorchis viverrini sensu lato in Thailand and Lao PDR.

    Nonglak Laoprom;Weerachai Saijuntha;Paiboon Sithithaworn;Sopit Wongkham

  • Opisthorchis viverrini: Implications of the systematics of first intermediate hosts, Bithynia snail species in Thailand and Lao PDR

    Nadda Kiatsopit;Paiboon Sithithaworn;Weerachai Saijuntha;Trevor N. Petney

  • Mitochondrial DNA sequences of 37 collar-spined echinostomes (Digenea: Echinostomatidae) in Thailand and Lao PDR reveals presence of two species: Echinostoma revolutum and E. miyagawai

    Mitsuru Nagataki;Chairat Tantrawatpan;Takeshi Agatsuma;Tetsuro Sugiura

  • Taxonomy, Ecology and Population Genetics of Opisthorchis viverrini and Its Intermediate Hosts.

    Trevor N. Petney;Ross H. Andrews;Weerachai Saijuntha;Smarn Tesana

  • Genetic structure and geographical variation of Bithynia siamensis goniomphalos sensu lato (Gastropoda: Bithyniidae), the snail intermediate host of Opisthorchis viverrini sensu lato (Digenea: Opisthorchiidae) in the Lower Mekong Basin revealed by mitochondrial DNA sequences

    Chairat Tantrawatpan;Weerachai Saijuntha;Naruemon Bunchom;Warong Suksavate

  • Impact of temporal changes and host factors on the genetic structure of a population of Opisthorchis viverrini sensu lato in Khon Kaen Province (Thailand)

    W. Saijuntha;P. Sithithaworn;N. B. Chilton;T. N. Petney

  • Revealing genetic hybridization and DNA recombination of Fasciola hepatica and Fasciola gigantica in nuclear introns of the hybrid Fasciola flukes.

    Weerachai Saijuntha;Chairat Tantrawatpan;Takeshi Agatsuma;Chennan Wang

  • Genetic variation at three enzyme loci within a Thailand population of Opisthorchis viverrini

    Weerachai Saijuntha;Paiboon Sithithaworn;Sopit Wongkham;Thewarach Laha

  • Spatial and temporal genetic variation of Echinostoma revolutum (Trematoda: Echinostomatidae) from Thailand and the Lao PDR

    Weerachai Saijuntha;Chairat Tantrawatpan;Paiboon Sithithaworn;Ross H. Andrews

  • Genetic characterization of Echinostoma revolutum and Echinoparyphium recurvatum (Trematoda: Echinostomatidae) in Thailand and phylogenetic relationships with other isolates inferred by ITS1 sequence.

    Weerachai Saijuntha;Chairat Tantrawatpan;Paiboon Sithithaworn;Ross H. Andrews

  • Genetic relationships within the Opisthorchis viverrini species complex with specific analysis of O. viverrini from Savannakhet, Lao PDR by multilocus enzyme electrophoresis

    Nadda Kiatsopit;Paiboon Sithithaworn;Jiraporn Sithithaworn;Thidarut Boonmars

Frequent Co-Authors

Paiboon Sithithaworn
Paiboon Sithithaworn Khon Kaen University
Trevor N. Petney
Trevor N. Petney Karlsruhe Institute of Technology
Takeshi Agatsuma
Takeshi Agatsuma Kōchi University
Shigehiko Uni
Shigehiko Uni University of Malaya
Joanne P. Webster
Joanne P. Webster Royal Veterinary College
Hiroyuki Takaoka
Hiroyuki Takaoka University of Malaya
Yvonne A. L. Lim
Yvonne A. L. Lim University of Malaya
Wanchai Maleewong
Wanchai Maleewong Khon Kaen University
Alexis Ribas
Alexis Ribas University of Barcelona
Bonnie L. Webster
Bonnie L. Webster Natural History Museum

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Related Online Degrees & Career Pathways

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For those interested in psychological aspects, exploring nasp accredited programs can provide critical knowledge and credentials in school psychology, promoting animal-assisted interventions and educational efforts.

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