World's Best Scientists 2026 revealed!

D-Index & Metrics

Animal Science and Veterinary

D-Index
39
Citations
4868
World Ranking
1323
National Ranking
26

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

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