World's Best Scientists 2026 revealed!

D-Index & Metrics

Animal Science and Veterinary

D-Index
39
Citations
4868
World Ranking
1326
National Ranking
26

Per Wallgren 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 Per Wallgren 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: 125 publications — 42nd percentile

42% of scientists in this discipline score the same or lower.

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

Per Wallgren 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 Per Wallgren 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

Per Wallgren is affiliated with the National Veterinary Institute in Sweden. Their research focuses primarily on veterinary and agricultural biological sciences with significant contributions in medicine as well. The scientist's work spans several subfields including small animals, animal science and zoology, parasitology, infectious diseases, and epidemiology.

The main topics of Wallgren's research involve animal behavior and welfare studies, parasitic infections and diagnostics, helminth infection and control, animal nutrition and physiology, meat and animal product quality, microbial infections and disease research, as well as viral gastroenteritis research and epidemiology.

Wallgren has coauthored multiple publications with frequent collaborators such as Emelie Pettersson, Marie Sjölund, Torun Wallgren, Sven-Erik Johansson, and Johan Höglund. These collaborations have contributed to research in veterinary parasitology and related fields.

Recent papers authored or coauthored by Per Wallgren include:

  • Management practices related to the control of gastrointestinal parasites on Swedish pig farms, 2021, Porcine Health Management
  • Gastrointestinal parasites in Swedish pigs: Prevalence and associated risk factors for infection in herds where animal welfare standards are improved, 2021, Veterinary Parasitology
  • Detection and molecular characterisation of Cryptosporidium spp. in Swedish pigs, 2020, Acta veterinaria Scandinavica
  • Lungworms (Metastrongylus spp.) demonstrated in domestic pigs with respiratory disease: was there a clinical relevance?, 2022, Porcine Health Management
  • First report on reduced efficacy of ivermectin on Oesophagostomum spp. on Swedish pig farms, 2021, Veterinary Parasitology Regional Studies and Reports

Wallgren's research has been published frequently in venues including Acta veterinaria Scandinavica, Porcine Health Management, Research Square, Veterinary Parasitology, and Veterinary Parasitology Regional Studies and Reports.

Best Publications

  • The effect of zinc oxide supplementation on the stability of the intestinal flora with special reference to composition of coliforms in weaned pigs.

    M. Katouli;L. Melin;M. Jensen-Waern;P. Wallgren

  • Detection of a novel porcine boca-like virus in the background of porcine circovirus type 2 induced postweaning multisystemic wasting syndrome.

    Anne-Lie Blomström;Sandor Belák;Caroline Fossum;John McKillen

  • Dietary zinc oxide in weaned pigs — effects on performance, tissue concentrations, morphology, neutrophil functions and faecal microflora

    Marianne Jensen-Waern;L. Melin;R. Lindberg;A. Johannisson

  • Detection of Mycoplasma hyopneumoniae in nose swabs from pigs by in vitro amplification of the 16S rRNA gene.

    J G Mattsson;K Bergström;P Wallgren;K E Johansson

  • Studies of porcine circovirus type 2, porcine boca-like virus and torque teno virus indicate the presence of multiple viral infections in postweaning multisystemic wasting syndrome pigs.

    Anne-Lie Blomström;Sándor Belák;Caroline Fossum;Lisbeth Fuxler

  • The influence of tail biting on performance of fattening pigs.

    P. Wallgren;E. Lindahl

  • Detection of Individual Microbial Pathogens by Proximity Ligation

    Sigrun M. Gustafsdottir;Ann Nordengrahn;Simon Fredriksson;Per Wallgren

  • Phylogenetic analysis of porcine circovirus type 2 (PCV2) pre- and post-epizootic postweaning multisystemic wasting syndrome (PMWS).

    Sirje Timmusk;Per Wallgren;Per Wallgren;Inger Marit Brunborg;Frida Hasslung Wikström

  • Diarrhoea in the growing pig - a comparison of clinical, morphological and microbial findings between animals from good and poor performance herds.

    M Jacobson;C Hård af Segerstad;A Gunnarsson;C Fellström

  • Development of Post‐weaning Diarrhoea in Piglets. Relation to Presence of Escherichia coli Strains and Rotavirus

    L Melin;L Melin;S Mattsson;M Katouli;M Katouli;P Wallgren;P Wallgren

  • Evaluation of various cytokines (IL-6, IFN-α, IFN-γ, TNF-α) as markers for acute bacterial infection in swine - a possible role for serum interleukin-6

    Caroline Fossum;Eva Wattrang;Lisbeth Fuxler;Klaus Thorleif Jensen

  • Phenotypic characterization of intestinal Escherichia coli of pigs during suckling, postweaning, and fattening periods.

    M Katouli;A Lund;P Wallgren;I Kühn

  • Detection and genetic characterisation of porcine circovirus 3 from pigs in Sweden.

    Xingyu Ye;Mikael Berg;Caroline Fossum;Per Wallgren

  • Molecular investigations on the prevalence and viral load of enteric viruses in pigs from five European countries.

    Weiguang Zhou;Weiguang Zhou;Karin Ullman;Vinay Chowdry;Márta Reining

  • Experimental swine dysentery: comparison between infection models.

    Magdalena Jacobson;Claes Fellström;Ronny Lindberg;Per Wallgren

  • Experimental reproduction of postweaning multisystemic wasting syndrome (PMWS) in pigs in Sweden and Denmark with a Swedish isolate of porcine circovirus type 2.

    F. Hasslung;P. Wallgren;A.-S. Ladekjær-Hansen;A. Bøtner

  • Interleukin 6, serum amyloid A and haptoglobin as markers of treatment efficacy in pigs experimentally infected with Actinobacillus pleuropneumoniae.

    C. Hultén;E. Johansson;C. Fossum;P. Wallgren;P. Wallgren

  • Appearance of interferon-α in serum and signs of reduced immune function in pigs after transport and installation in a fattening farm

    Karin Artursson;Per Wallgren;Gunnar V. Alm

  • Incidence of Infections in Pigs Bred For Slaughter Revealed by Elevated Serum Levels of Interferon and Development of Antibodies to Mycoplasma hyopneumoniae and Actinobacillus pleuropneumoniae

    Per Wallgren;Per Wallgren;Karin Artursson;Karin Artursson;Caroline Fossum;Caroline Fossum;Gunnar V. Alm;Gunnar V. Alm

  • Emergence of porcine reproductive and respiratory syndrome in Sweden: detection, response and eradication.

    U. Carlsson;P. Wallgren;L. H. M. Renström;A. Lindberg

  • Serodiagnosis of sarcoptic mange in pigs

    S Bornstein;P Wallgren

  • Routine diagnostics of Lawsonia intracellularis performed by PCR, serological and post mortem examination, with special emphasis on sample preparation methods for PCR.

    M. Jacobson;A. Aspan;M. Heldtander Königsson;C. Hård af Segerstad

Frequent Co-Authors

Gordon Allan
Gordon Allan Queen's University Belfast
Sándor Belák
Sándor Belák Swedish University of Agricultural Sciences
Jan Erik Lindberg
Jan Erik Lindberg Swedish University of Agricultural Sciences
Nils Lundeheim
Nils Lundeheim Swedish University of Agricultural Sciences
Roland Möllby
Roland Möllby Karolinska Institute
Anna-Maria Andersson
Anna-Maria Andersson University of Copenhagen
John A. Ellis
John A. Ellis Western University of Health Sciences
Leif Andersson
Leif Andersson Texas A&M University
Susanna Sternberg Lewerin
Susanna Sternberg Lewerin Swedish University of Agricultural Sciences
Gunnar V. Alm
Gunnar V. Alm Swedish University of Agricultural Sciences

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Pursuing a degree in Animal Science or Veterinary studies opens diverse career possibilities beyond traditional roles. For those interested in counseling professions, exploring an online addiction counseling degree can provide a flexible pathway into mental health support fields, complementing animal-focused careers.

Additionally, areas like family dynamics and relationship support intersect with animal care in therapeutic settings. Programs offering online marriage and family therapy programs equip students with skills to address human-animal bonds and family wellbeing.

For those aiming for advanced credentials, affordable options such as online counseling phd programs provide an opportunity to engage in research or specialized clinical work that may incorporate animal-assisted therapy or interdisciplinary approaches.

Finally, understanding the scope of high paying jobs with animal science degree gives insight into lucrative career pathways where expertise in animal health, management, and welfare is in strong demand.

Best Scientists Citing Per Wallgren

Trending Scientists

Recently Published Articles