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Animal Science and Veterinary
Sweden
2026

D-Index & Metrics

Animal Science and Veterinary

D-Index
78
Citations
19961
World Ranking
93
National Ranking
1

Research.com Recognitions

  • 2026 - Research.com Animal Science and Veterinary in Sweden Leader Award
  • 2025 - Research.com Animal Science and Veterinary in Sweden Leader Award
  • 2023 - Research.com Animal Science and Veterinary in Sweden Leader Award
  • 2022 - Research.com Animal Science and Veterinary in Sweden Leader Award

Overview

Per Jensen is affiliated with Linköping University in Sweden and works primarily within the fields of Biochemistry, Genetics and Molecular Biology, as well as Agricultural and Biological Sciences. Their research spans several subfields including Genetics, Animal Science and Zoology, Small Animals, Ecology, Evolution, Behavior and Systematics, and Social Psychology.

Their recent scientific contributions include work published in a variety of journals. Notable papers are:

  • The methylation landscape and its role in domestication and gene regulation in the chicken (2020, Nature Ecology & Evolution)
  • Breed group differences in the unsolvable problem task: herding dogs prefer their owner, while solitary hunting dogs seek stranger proximity (2021, Animal Cognition)
  • Long-term stress in dogs is related to the human-dog relationship and personality traits (2021, Scientific Reports)
  • Incubation and hatching conditions of laying hen chicks explain a large part of the stress effects from commercial large-scale hatcheries (2020, Poultry Science)
  • CREBBP and WDR 24 Identified as Candidate Genes for Quantitative Variation in Red-Brown Plumage Colouration in the Chicken (2020, Scientific Reports)

The frequent publication venues where this researcher has contributed include:

  • Scientific Reports
  • Poultry Science
  • Behavioural Processes
  • Brain Sciences
  • Animal Cognition

Frequent co-authors collaborated with Per Jensen are:

  • Dominic Wright
  • Martin Johnsson
  • Vitor Hugo Bessa Ferreira
  • Ludovic Calandreau
  • Johanna Gjøen

The main research topics covered in their publications include:

  • Animal Nutrition and Physiology
  • Animal Behavior and Welfare Studies
  • Genetic and phenotypic traits in livestock
  • Human-Animal Interaction Studies
  • Genetic Mapping and Diversity in Plants and Animals
  • Primate Behavior and Ecology
  • Animal Behavior and Reproduction

Best Publications

  • Whole-genome resequencing reveals loci under selection during chicken domestication

    Carl-Johan Rubin;Michael C. Zody;Michael C. Zody;Jonas Eriksson;Jennifer R. S. Meadows

  • Gene expression across mammalian organ development

    Margarida Cardoso-Moreira;Margarida Cardoso-Moreira;Jean Halbert;Delphine Valloton;Britta Velten

  • Identification of the Yellow Skin Gene Reveals a Hybrid Origin of the Domestic Chicken

    Jonas K Eriksson;Greger Larson;Ulrika Gunnarsson;Bertrand Bed’hom

  • Observations on the maternal behaviour of free-ranging domestic pigs

    Per Jensen

  • Genetics of adaptation and domestication in livestock

    Sandrine Mignon-Grasteau;Alain Boissy;Jacques Bouix;Jean-Michel Faure

  • Who needs 'behavioural needs'? Motivational aspects of the needs of animals

    P. Jensen;F.M. Toates

  • A global search reveals epistatic interaction between QTL for early growth in the chicken.

    Örjan Carlborg;Susanne Kerje;Karin Schütz;Lina Jacobsson

  • The Dominant white, Dun and Smoky Color Variants in Chicken Are Associated With Insertion/Deletion Polymorphisms in the PMEL17 Gene

    Susanne Kerje;Preety Sharma;Ulrika Gunnarsson;Hyun Kim

  • Melanocortin 1‐receptor (MC1R) mutations are associated with plumage colour in chicken

    Susanne Kerje;Jenny Lind;Karin Schütz;Per Jensen

  • When to wean — Observations from free-ranging domestic pigs

    Per Jensen;Boel Recén

  • The twofold difference in adult size between the red junglefowl and White Leghorn chickens is largely explained by a limited number of QTLs.

    Susanne Kerje;Örjan Carlborg;Lina Jacobsson;Karin Schütz

  • Effects of Resource Allocation on Behavioural Strategies: A Comparison of Red Junglefowl (Gallus gallus) and Two Domesticated Breeds of Poultry

    Karin E. Schutz;Per Jensen

  • Mutations in SLC45A2 Cause Plumage Color Variation in Chicken and Japanese Quail

    Ulrika Gunnarsson;Anders R. Hellström;Michele Tixier-Boichard;Francis Minvielle

  • The Ethology of Domestic Animals: an Introductory Text

    Per Jensen

  • Domestication effects on foraging strategy, social behaviour and different fear responses: a comparison between the red junglefowl (Gallus gallus) and a modern layer strain

    Karin E Schütz;Björn Forkman;Per Jensen

  • Omnivores Going Astray: A Review and New Synthesis of Abnormal Behavior in Pigs and Laying Hens

    Emma Ida Brunberg;T. Bas Rodenburg;Lotta Rydhmer;Joergen B Kjaer

  • Maternal behaviour and mother—Young interactions during lactation in free-ranging domestic pigs

    Per Jensen

  • Personality, coping patterns, and aggression in piglets

    B. Forkman;I.L. Furuhaug;P. Jensen

  • The effects of weight asymmetry and resource distribution on aggression in groups of unacquainted pigs.

    Inger Lise Andersen;Hilde Andenæs;Knut Egil Bøe;Per Jensen

  • An analysis of agonistic interaction patterns in group-housed dry sows — Aggression regulation through an “avoidance order”

    Per Jensen

  • A comparison of brain gene expression levels in domesticated and wild animals

    Frank W. Albert;Mehmet Somel;Miguel Carneiro;Ayinuer Aximu-Petri

  • Heritable genome-wide variation of gene expression and promoter methylation between wild and domesticated chickens

    Daniel Nätt;Carl-Johan Rubin;Dominic Wright;Martin Johnsson

  • Transgenerational effects of early experience on behavioral, hormonal and gene expression responses to acute stress in the precocial chicken.

    Vivian C. Goerlich;Daniel Nätt;Magnus Elfwing;Barry Macdonald

  • QTL analysis of a red junglefowl x White Leghorn intercross reveals trade-off in resource allocation between behavior and production traits.

    Karin Schütz;Susanne Kerje;Örjan Carlborg;Lina Jacobsson

  • Domestication—From behaviour to genes and back again §

    Per Jensen

  • Fearfulness in red junglefowl and domesticated White Leghorn chickens.

    Magnus Campler;Markus Jöngren;Per Jensen

  • Chicken genomics: feather-pecking and victim pigmentation.

    Linda Keeling;Leif Andersson;Leif Andersson;Karin E. Schütz;Karin E. Schütz;Susanne Kerje;Susanne Kerje

  • Transmission of Stress-Induced Learning Impairment and Associated Brain Gene Expression from Parents to Offspring in Chickens

    Christina Lindqvist;Andrew M. Janczak;Daniel Nätt;Izabella Baranowska

  • Feather pecking in chickens is genetically related to behavioural and developmental traits

    Per Jensen;L. Keeling;K. Schutz;L. Andersson;L. Andersson

  • Heritability and genetic correlations of fear-related behaviour in Red Junglefowl--possible implications for early domestication.

    Beatrix Agnvall;Markus Jöngren;Erling Strandberg;Per Jensen

  • Human‐directed social behaviour in dogs shows significant heritability

    Mia Persson;Lina Roth;Martin Johnsson;Dominic Wright

  • Inheritance of acquired behaviour adaptations and brain gene expression in chickens.

    Daniel Nätt;Niclas Lindqvist;Henrik Stranneheim;Joakim Lundeberg

  • Behaviour and experiences of dogs during the first year of life predict the outcome in a later temperament test

    Pernilla Foyer;Pernilla Foyer;Nathalie Bjällerhag;Erik Wilsson;Per Jensen

  • Behavior Genetics and the Domestication of Animals

    Per Jensen

  • Domestication effects on behavioural and hormonal responses to acute stress in chickens

    Maria Ericsson;Amir Fallahsharoudi;Jonas Bergquist;Mark M. Kushnir;Mark M. Kushnir;Mark M. Kushnir

Frequent Co-Authors

Leif Andersson
Leif Andersson Texas A&M University
Bo Algers
Bo Algers Swedish University of Agricultural Sciences
Linda J. Keeling
Linda J. Keeling Swedish University of Agricultural Sciences
Örjan Carlborg
Örjan Carlborg Uppsala University
Tommaso Pizzari
Tommaso Pizzari University of Oxford
Jonas Bergquist
Jonas Bergquist Uppsala University
Kerstin Lindblad-Toh
Kerstin Lindblad-Toh Uppsala University
Michèle Tixier-Boichard
Michèle Tixier-Boichard INRAE : Institut national de recherche pour l'agriculture, l'alimentation et l'environnement
Paul B. Siegel
Paul B. Siegel Virginia Tech

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Related Online Degrees & Career Pathways

For students interested in Animal Science and Veterinary studies, exploring related online degrees can open doors to diverse career opportunities. For instance, those drawn to animal behavior and welfare might consider psychology-related fields. Accredited options like nasp approved online programs offer training that prepares graduates to support animals and humans in educational environments.

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For those who want to offer support beyond physical care, becoming a drug counselor offers a meaningful path. You can find specialized training with programs focused on how to become a drug counselor online, preparing professionals to assist with substance abuse issues that may affect pet owners or communities involved in animal care.

Finally, the importance of family dynamics in pet ownership and animal welfare is gaining recognition. Pursuing marriage and family therapy master's programs online can equip graduates with skills to address these complex relationships, enriching holistic care for animals and their human families.

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