World's Best Scientists 2026 revealed!
Geert Janssens

Geert Janssens

D-Index & Metrics

Animal Science and Veterinary

D-Index
37
Citations
5251
World Ranking
1507
National Ranking
36

Overview

Geert Janssens is affiliated with Ghent University in Belgium. Their research spans multiple disciplines within agricultural and biological sciences and environmental science, with a strong focus on animal nutrition, physiology, and ecology.

The scientist's main fields of study include:

  • Agricultural and Biological Sciences
  • Environmental Science

Their subfields of study cover specialized areas such as:

  • Animal Science and Zoology
  • Ecology
  • Small Animals
  • Aquatic Science
  • Agronomy and Crop Science

Geert Janssens' work addresses a variety of topics, including:

  • Animal Nutrition and Physiology
  • Animal Behavior and Welfare Studies
  • Aquaculture Nutrition and Growth
  • Wildlife Ecology and Conservation
  • Rabbits: Nutrition, Reproduction, Health
  • Ruminant Nutrition and Digestive Physiology
  • Veterinary Medicine and Surgery

The scientist has contributed to notable publication venues, frequently appearing in:

  • Journal of Animal Physiology and Animal Nutrition
  • Animals
  • Sustainability
  • Animal nutrition
  • Veterinary Sciences

Among their recent papers are studies on feed resources, dietary impacts in broilers, and aquatic species biology:

  • Assessment of Livestock Feed Resources and Coping Strategies with Dry Season Feed Scarcity in Mixed Crop-Livestock Farming Systems around the Gilgel Gibe Catchment, Southwest Ethiopia (2021), Sustainability
  • Reduction of dietary crude protein and feed form: Impact on broiler litter quality, ammonia concentrations, excreta composition, performance, welfare, and meat quality (2022), Animal nutrition
  • Chestnut tannins in broiler diets: performance, nutrient digestibility, and meat quality (2021), Poultry Science
  • Food and Feeding Biology of Nile Tilapia (Oreochromis niloticus) in Lake Langeno, Ethiopia (2022), Sustainability
  • Nutrient fertilization by dogs in peri-urban ecosystems (2022), Ecological Solutions and Evidence

Collaborations feature several frequent co-authors, indicating ongoing partnerships within their research network. These include:

  • Annelies De Cuyper
  • Dominiek Maes
  • Marcus Clauß
  • Evelyne Delezie
  • An Cools

Best Publications

  • Food Allergy in Dogs and Cats: A Review

    A Verlinden;Myriam Hesta;Sam Millet;Geert Janssens

  • Journal of Animal Physiology and Animal Nutrition

    Michel Goldberg;Manfred Kirchgessner;Klaus Eder;Nadia Everaert

  • New insights in insect prey choice by chimpanzees and gorillas in Southeast Cameroon: The role of nutritional value

    Isra Deblauwe;Geert P.J. Janssens

  • Piglets׳ colostrum intake associates with daily weight gain and survival until weaning

    Ruben Decaluwe;Dominiek Maes;Brigitte Wuyts;An Cools

  • The effects of dietary fibre type on satiety-related hormones and voluntary food intake in dogs.

    Guido Bosch;Adronie Verbrugghe;Myriam Hesta;Jens J. Holst

  • Selected trace and ultratrace elements: Biological role, content in feed and requirements in animal nutrition – Elements for risk assessment

    Marleen Van Paemel;Noël Dierick;Geert Janssens;Veerle Fievez

  • Effects of substitution between fat and protein on feed intake and its regulatory mechanisms in broiler chickens: endocrine functioning and intermediary metabolism

    Q Swennen;Geert Janssens;Sam Millet;G Vansant

  • Serum biochemical reference values for gestating and lactating sows

    An J.M. Verheyen;Dominiek G.D. Maes;Bart Mateusen;Piet Deprez

  • Performance, meat and carcass traits of fattening pigs with organic versus conventional housing and nutrition

    S Millet;M Hesta;M Seynaeve;E Ongenae

  • The mycotoxin deoxynivalenol predisposes for the development of Clostridium perfringens-induced necrotic enteritis in broiler chickens.

    Gunther Antonissen;Filip Van Immerseel;Frank Pasmans;Richard Ducatelle

  • Risk factors associated with postpartum dysgalactia syndrome in sows

    Georgios A. Papadopoulos;Caroline Vanderhaeghe;Geert P.J. Janssens;Jeroen Dewulf

  • Broiler ascites syndrome: collateral damage from efficient feed to meat conversion.

    Isabelle D. Kalmar;Daisy Vanrompay;Geert P.J. Janssens

  • Welfare, performance and meat quality of fattening pigs in alternative housing and management systems: a review

    Sam Millet;Christel P. H. Moons;Monique J. Van Oeckel;Geert P. J. Janssens

  • Mycotoxins Deoxynivalenol and Fumonisins Alter the Extrinsic Component of Intestinal Barrier in Broiler Chickens

    Gunther Antonissen;Filip Van Immerseel;Frank Pasmans;Richard Ducatelle

  • Oligofructose and inulin modulate glucose and amino acid metabolism through propionate production in normal-weight and obese cats

    Adronie Verbrugghe;Myriam Hesta;Kris Gommeren;Sylvie Daminet

  • Performance and meat quality of organically versus conventionally fed and housed pigs from weaning till slaughtering.

    S. Millet;K. Raes;W. Van den Broeck;S. De Smet

  • Considerations on the performance of immunocastrated male pigs.

    Sam Millet;Kwinten Gielkens;Daniël De Brabander;Geert P. J. Janssens

  • The effects of inulin supplementation of diets with or without hydrolysed protein sources on digestibility, faecal characteristics, haematology and immunoglobulins in dogs

    Ans Verlinden;Myriam Hesta;Joke Hermans;Geert Janssens

  • Dietary macronutrients, endocrine functioning and intermediary metabolism in broiler chickens - Pair wise substitutions between protein, fat and carbohydrate

    Ramon D Malheiros;Ramon D Malheiros;Vera M.B Moraes;Anne Collin;Geert P.J Janssens

  • Phylogenetic analysis of faecal microbiota from captive cheetahs reveals underrepresentation of Bacteroidetes and Bifidobacteriaceae

    Anne A M J Becker;Myriam Hesta;Joke Hollants;Geert P J Janssens

  • Does canine inflammatory bowel disease influence gut microbial profile and host metabolism

    Jia Xu;Adronie Verbrugghe;Adronie Verbrugghe;Marta Ribeiro Alves Lourenço;Geert Janssens

  • Application of gas chromatography-mass spectrometry/combustion/isotope ratio mass spectrometry (GC-MS/C/IRMS) to detect the abuse of 17β-estradiol in cattle.

    Geert Janssens;Sven Mangelinckx;Dirk Courtheyn;Stéphanie Prévost

  • Expression of inflammation-related genes is associated with adipose tissue location in horses.

    Lien Bruynsteen;Tim Erkens;Luc J Peelman;Richard Ducatelle

  • Dietary fibre and the importance of the gut microbiota in feline nutrition: a review.

    Kristel Rochus;Geert P. J. Janssens;Myriam Hesta

  • The effect of vitamin C supplementation in healthy dogs on antioxidative capacity and immune parameters.

    Myriam Hesta;Carla Ottermans;S Krammer-Lukas;Jürgen Zentek

  • Nutritional Modulation of Insulin Resistance in the True Carnivorous Cat: A Review

    Adronie Verbrugghe;Myriam Hesta;Sylvie Daminet;Geert P.J. Janssens

  • Predator size and prey size–gut capacity ratios determine kill frequency and carcass production in terrestrial carnivorous mammals

    Annelies De Cuyper;Marcus Clauss;Chris Carbone;Daryl Codron

  • Intestinal fermentation modulates postprandial acylcarnitine profile and nitrogen metabolism in a true carnivore: the domestic cat (Felis catus)

    Adronie Verbrugghe;Geert P. J. Janssens;Eva Meininger;Sylvie Daminet

  • Predictable food supplies induce plastic shifts in avian scaled body mass

    Noraine Salleh Hudin;Noraine Salleh Hudin;Diederik Strubbe;Aimeric Teyssier;Liesbeth De Neve

  • Use of isotope ratio mass spectrometry to differentiate between endogenous steroids and synthetic homologues in cattle: a review

    Geert Janssens;Dirk Courtheyn;Sven Mangelinckx;Stéphanie Prévost

  • Simultaneous detection of androgen and estrogen abuse in breeding animals by gas chromatography-mass spectrometry/combustion/isotope ratio mass spectrometry (GC-MS/C/IRMS) evaluated against alternative methods

    Geert Janssens;Sven Mangelinckx;Dirk Courtheyn;Norbert De Kimpe

  • Immunocompetence of fattening pigs fed organic versus conventional diets in organic versus conventional housing.

    Sam Millet;Eric Cox;J Buyse;Bruno Goddeeris

  • The glucose and insulin response to isoenergetic reduction of dietary energy sources in a true carnivore: the domestic cat ( Felis catus).

    Adronie Verbrugghe;Myriam Hesta;Stephanie Van Weyenberg;Georgios A. Papadopoulos

  • Changes in oxidative stress in response to different levels of energy restriction in obese ponies

    Lien Bruynsteen;Geert P. J. Janssens;Patricia A. Harris;Luc Duchateau

Frequent Co-Authors

Sam Millet
Sam Millet Ghent University
Dominiek Maes
Dominiek Maes Ghent University
Johan Buyse
Johan Buyse KU Leuven
Gijs Du Laing
Gijs Du Laing Ghent University
Marcus Clauss
Marcus Clauss University of Zurich
Wouter H. Hendriks
Wouter H. Hendriks Wageningen University & Research
Jean-Michel Hatt
Jean-Michel Hatt University of Zurich
An Martel
An Martel Ghent University
Jürgen Zentek
Jürgen Zentek Freie Universität Berlin
Eric Cox
Eric Cox Ghent University

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

For those studying Animal Science and Veterinary fields, expanding your education through related online degrees can open diverse career opportunities. Many students pursue advanced degrees in counseling and therapy, which complement animal care careers by developing stronger communication and leadership skills.

If you’re interested in psychology but want to avoid test stress, consider exploring online psyd programs accredited that do not require the GRE. These programs emphasize clinical practice and research in psychology, which can enhance your understanding of animal behavior and human-animal interactions.

For those focused on wellness and rehabilitation, an addiction counseling online degree offers valuable skills in supporting individuals and communities, potentially benefiting roles in veterinary social work or animal-assisted therapy.

Additionally, degrees such as an online masters in marriage and family therapy allow students to specialize in family dynamics, an important aspect when considering the human-animal bond.

For advanced professionals, obtaining a doctorate in counseling online can pave the way for leadership roles in research, training, or clinical practice, further expanding career pathways beyond traditional veterinary science.

Best Scientists Citing Geert Janssens

Trending Scientists