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Karl Pedersen

Karl Pedersen

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Animal Science and Veterinary
Denmark
2026
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Animal Science and Veterinary
Sweden
2023

D-Index & Metrics

Animal Science and Veterinary

D-Index
59
Citations
11356
World Ranking
354
National Ranking
7

Microbiology

D-Index
58
Citations
11219
World Ranking
3451
National Ranking
54

Research.com Recognitions

  • 2026 - Research.com Animal Science and Veterinary in Denmark Leader Award
  • 2025 - Research.com Animal Science and Veterinary in Denmark Leader Award
  • 2023 - Research.com Animal Science and Veterinary in Sweden Leader Award

Overview

Karl Pedersen is affiliated with Aarhus University in Denmark. Their research primarily spans the fields of Biochemistry, Genetics and Molecular Biology, Immunology and Microbiology, and Medicine. Within these main areas, Pedersen's work focuses on specific subfields including Microbiology, Infectious Diseases, Molecular Biology, Agronomy and Crop Science, and Molecular Medicine.

The scientist's research covers diverse topics related to microbial infections and antimicrobial resistance. Key topics of their work include:

  • Microbial infections and disease research
  • Antimicrobial Resistance in Staphylococcus
  • Antibiotic Resistance in Bacteria
  • Pharmaceutical and Antibiotic Environmental Impacts
  • Milk Quality and Mastitis in Dairy Cows
  • Aquaculture disease management and microbiota
  • Antibiotic Use and Resistance

Pedersen's research is published in several recurring scientific venues. Frequent publication outlets include:

  • Antibiotics
  • Frontiers in Microbiology
  • Animal Microbiome
  • Journal of Dairy Science
  • Veterinary Microbiology

Notable recent papers authored or co-authored by Pedersen include:

  • The potential of using E. coli as an indicator for the surveillance of antimicrobial resistance (AMR) in the environment (2021) published in Current Opinion in Microbiology
  • Building the European Antimicrobial Resistance Surveillance network in veterinary medicine (EARS-Vet) (2021) published in Eurosurveillance
  • Microbial Aetiology, Antibiotic Susceptibility and Pathogen-Specific Risk Factors for Udder Pathogens from Clinical Mastitis in Dairy Cows (2021) published in Animals
  • Evidence for action: a One Health learning platform on interventions to tackle antimicrobial resistance (2020) published in The Lancet Infectious Diseases
  • F4- and F18-Positive Enterotoxigenic Escherichia coli Isolates from Diarrhea of Postweaning Pigs: Genomic Characterization (2020) published in Applied and Environmental Microbiology

Collaborative work features several frequent co-authors, including:

  • Peter Damborg
  • Jean-Philippe Amat
  • Heike Kaspar
  • Madelaine Norström
  • Anne Margrete Urdahl

Best Publications

  • Effect of Abolishment of the Use of Antimicrobial Agents for Growth Promotion on Occurrence of Antimicrobial Resistance in Fecal Enterococci from Food Animals in Denmark

    Frank Møller Aarestrup;Anne Mette Seyfarth;Hanne-Dorthe Emborg;Karl Pedersen

  • Occurrence of Antimicrobial Resistance in Fish-Pathogenic and Environmental Bacteria Associated with Four Danish Rainbow Trout Farms

    Anja S. Schmidt;Morten S. Bruun;Inger Dalsgaard;Karl Pedersen

  • Microbial community composition of the ileum and cecum of broiler chickens as revealed by molecular and culture-based techniques.

    L. Bjerrum;R. M. Engberg;T. D. Leser;B. B. Jensen

  • Prevalence and antimicrobial susceptibility of thermophilic Campylobacter in organic and conventional broiler flocks.

    Ole Eske Heuer;Karl Pedersen;J.S. Andersen;Mogens Madsen

  • Flies and Campylobacter infection of broiler flocks.

    Birthe Hald;Henrik Skovgård;Dang Duong Bang;Karl Pedersen

  • Detection of Campylobacter spp. in Chicken Fecal Samples by Real-Time PCR

    Marianne Lund;Steen Nordentoft;Karl Pedersen;Mogens Madsen

  • PCR detection of seven virulence and toxin genes of Campylobacter jejuni and Campylobacter coli isolates from Danish pigs and cattle and cytolethal distending toxin production of the isolates.

    D.D. Bang;E. Møller Nielsen;F. Scheutz;K. Pedersen

  • The influence of whole wheat feeding on Salmonella infection and gut flora composition in broilers.

    L. Bjerrum;K. Pedersen;R. M. Engberg

  • Occurrence of antimicrobial resistance in bacteria from diagnostic samples from dogs

    Karl Pedersen;Karl Pedersen;Kristina Pedersen;Kristina Pedersen;Helene Jensen;Helene Jensen;Kai Finster

  • Escherichia coli Isolates from Broiler Chicken Meat, Broiler Chickens, Pork, and Pigs Share Phylogroups and Antimicrobial Resistance with Community-Dwelling Humans and Patients with Urinary Tract Infection

    Lotte Jakobsen;Azra Kurbasic;Line Skjøt-Rasmussen;Karen Ejrnæs

  • Quantification of gut lesions in a subclinical necrotic enteritis model

    Ahmad R Gholamiandehkordi;Leen Timbermont;Anouk Lanckriet;Wim Van Den Broeck

  • Broiler chickens, broiler chicken meat, pigs and pork as sources of ExPEC related virulence genes and resistance in Escherichia coli isolates from community-dwelling humans and UTI patients.

    Lotte Jakobsen;Daniel J. Spangholm;Karl Pedersen;Lars B. Jensen

  • Lactobacillus succession in the piglet digestive tract demonstrated by plasmid profiling.

    G W Tannock;R Fuller;K Pedersen

  • Influxed Insects as Vectors for Campylobacter jejuni and Campylobacter coli in Danish Broiler Houses

    Birthe Hald;Henrik Skovgård;Karl Pedersen;H. Bunkenborg

  • Taxonomic evidence that Vibrio carchariae Grimes et al. 1985 is a junior synonym of Vibrio harveyi (Johnson and Shunk 1936) Baumann et al, 1981.

    Karl Pedersen;Linda Verdonck;Brian Austin;Dawn A. Austin

  • Vibrio anguillarum serovars associated with vibriosis in fish

    J. L. Larsen;K. Pedersen;I. Dalsgaard

  • Prevalence of extended-spectrum cephalosporinase (ESC)-producing Escherichia coli in Danish slaughter pigs and retail meat identified by selective enrichment and association with cephalosporin usage

    Yvonne Agersø;Frank Møller Aarestrup;Karl Pedersen;Anne Mette Seyfarth

  • Longitudinal Study of the Excretion Patterns of Thermophilic Campylobacter spp. in Young Pet Dogs in Denmark

    Birthe Hald;Karl Pedersen;Michael Wainø;Jens Christian Jørgensen

  • Colonization of the porcine gastrointestinal tract by lactobacilli

    K Pedersen;G W Tannock

  • Comparison of Pulsed-Field Gel Electrophoresis, Ribotyping, and Plasmid Profiling for Typing of Vibrio anguillarum Serovar O1

    Marianne Skov;Karl Pedersen;Jens Laurits Larsen

  • Vibrio anguillarum Resistance to Rainbow Trout (Oncorhynchus mykiss) Serum: Role of O-Antigen Structure of Lipopolysaccharide

    Henriette T. Boesen;Karl Pedersen;Jens L. Larsen;Claus Koch

  • Extended Serotyping Scheme for Vibrio anguillarum with the Definition and Characterization of Seven Provisional O-Serogroups

    K. Pedersen;L. Grisez;R. van Houdt;T. Tiainen

  • DANMAP 2016 - Use of antimicrobial agents and occurrence of antimicrobial resistance in bacteria from food animals, food and humans in Denmark

    Birgitte Borck Høg;Helle Bisgaard Korsgaard;Ute Wolff Sönksen;Flemming Bager

  • DANMAP 2017 - Use of antimicrobial agents and occurrence of antimicrobial resistance in bacteria from food animals, food and humans in Denmark

    Birgitte Borck Høg;Flemming Bager;Helle Bisgaard Korsgaard;Johanne Ellis-Iversen

Frequent Co-Authors

Mogens Madsen
Mogens Madsen Technical University of Denmark
Inger Dalsgaard
Inger Dalsgaard Technical University of Denmark
Frank Møller Aarestrup
Frank Møller Aarestrup Technical University of Denmark
Marc Stegger
Marc Stegger Statens Serum Institut
Ilka Christine Klaas
Ilka Christine Klaas DeLaval (Sweden)
Yvonne Agersø
Yvonne Agersø University of Copenhagen
Eva Møller Nielsen
Eva Møller Nielsen Statens Serum Institut
Brian Austin
Brian Austin University of Stirling
Lars Bogø Jensen
Lars Bogø Jensen Technical University of Denmark
Anders Rhod Larsen
Anders Rhod Larsen Statens Serum Institut

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