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Biology and Biochemistry

D-Index
48
Citations
8067
World Ranking
18425
National Ranking
1263

Overview

Wilfried Vahjen is affiliated with Freie Universität Berlin in Germany and has made significant contributions to the fields of Agricultural and Biological Sciences and Medicine. Their research spans several interconnected domains including Animal Science and Zoology, Molecular Biology, Infectious Diseases, Food Science, and Nutrition and Dietetics.

The main research topics covered in Vahjen's work include:

  • Animal Nutrition and Physiology
  • Gut microbiota and health
  • Clostridium difficile and Clostridium perfringens research
  • Probiotics and Fermented Foods
  • Animal Behavior and Welfare Studies
  • Diet and metabolism studies
  • Moringa oleifera research and applications

Vahjen's publications have appeared frequently in venues such as:

  • Animal - science proceedings
  • Microorganisms
  • Journal of Equine Veterinary Science
  • Journal of Animal Physiology and Animal Nutrition
  • PLoS ONE

Several notable papers authored or co-authored by Vahjen include:

  • Concentration and chemical form of dietary zinc shape the porcine colon microbiome, its functional capacity and antibiotic resistance gene repertoire, 2020, The ISME Journal
  • Dietary fiber and its role in performance, welfare, and health of pigs, 2022, Animal Health Research Reviews
  • Lythrum salicaria L. herb and gut microbiota of healthy post-weaning piglets. Focus on prebiotic properties and formation of postbiotic metabolites in ex vivo cultures., 2020, Journal of Ethnopharmacology
  • Effect of feeding different levels of lignocellulose on performance, nutrient digestibility, excreta dry matter, and intestinal microbiota in slow growing broilers, 2020, Poultry Science
  • Impact of Dietary Cellobiose on the Fecal Microbiota of Horses, 2020, Journal of Equine Veterinary Science

Vahjen has collaborated extensively with several researchers, highlighting a pattern of frequent co-authorship including:

  • Jürgen Zentek
  • Eva-Maria Saliu
  • Łukasz Grześkowiak
  • Beatriz Martínez-Vallespín
  • Johannes Schulze Holthausen

Best Publications

  • Interference of humic acids and DNA extracted directly from soil in detection and transformation of recombinant DNA from bacteria and a yeast

    C C Tebbe;W Vahjen

  • INDIGENOUS BACTERIA AND BACTERIAL METABOLIC PRODUCTS IN THE GASTROINTESTINAL TRACT OF BROILER CHICKENS

    Habib Ur Rehman;Wilfried Vahjen;Wageha A Awad;Jürgen Zentek

  • Performance, diarrhea incidence, and occurrence of Escherichia coli virulence genes during long-term administration of a probiotic Enterococcus faecium strain to sows and piglets.

    D. Taras;W. Vahjen;M. Macha;O. Simon

  • Nutritional and physiological role of medium-chain triglycerides and medium-chain fatty acids in piglets.

    J. Zentek;S. Buchheit-Renko;F. Ferrara;W. Vahjen

  • Fermentable Fiber Ameliorates Fermentable Protein-Induced Changes in Microbial Ecology, but Not the Mucosal Response, in the Colon of Piglets

    Robert Pieper;Susan Kröger;Jan F. Richter;Jing Wang

  • The impact of high dietary zinc oxide on the development of the intestinal microbiota in weaned piglets

    Ingo C. Starke;Robert Pieper;Konrad Neumann;Jürgen Zentek

  • Probiotic feed additives - effectiveness and expected modes of action

    O. Simon;A. Jadamus;W. Vahjen

  • Bacterial responses to different dietary cereal types and xylanase supplementation in the intestine of broiler chicken.

    Katrin Hübener;W. Vahjen;O. Simon

  • Effects of dietary fat type and xylanase supplementation to rye-based broiler diets on selected bacterial groups adhering to the intestinal epithelium. on transit time of feed, and on nutrient digestibility.

    Sven Dänicke;Wilfried Vahjen;Ortwin Simon;Heinz Jeroch

  • Influence of xylanase-supplemented feed on the development of selected bacterial groups in the intestinal tract of broiler chicks

    W. Vahjen;K. Gläser;K. Schäfer;O. Simon

  • Types and prevalence of extended-spectrum beta-lactamase producing Enterobacteriaceae in poultry.

    Eva-Maria Saliu;Wilfried Vahjen;Jürgen Zentek

  • Response of performance characteristics and fecal consistency to long-lasting dietary supplementation with the probiotic strain Bacillus cereus var. toyoi to sows and piglets

    David Taras;Wilfried Vahjen;Moritz Macha;Ortwin Simon

  • Increased dietary zinc oxide changes the bacterial core and enterobacterial composition in the ileum of piglets.

    W. Vahjen;R. Pieper;J. Zentek

  • Progression of mycotoxin and nutrient concentrations in wheat after inoculation with Fusarium culmorum.

    K Matthäus;S Dänicke;W Vahjen;O Simon

  • High dietary zinc supplementation increases the occurrence of tetracycline and sulfonamide resistance genes in the intestine of weaned pigs.

    Wilfried Vahjen;Dominika Pietruszyńska;Ingo C. Starke;Jürgen Zentek

  • Isolation and identification of mixed linked beta -glucan degrading bacteria in the intestine of broiler chickens and partial characterization of respective 1,3-1,4-beta -glucanase activities.

    Lutz Beckmann;Ortwin Simon;Wilfried Vahjen

  • Down-regulation of monocarboxylate transporter 1 ( MCT1 ) gene expression in the colon of piglets is linked to bacterial protein fermentation and pro-inflammatory cytokine-mediated signalling

    Carmen Villodre Tudela;Christelle Boudry;Friederike Stumpff;Jörg R. Aschenbach

  • Effects of dietary combinations of organic acids and medium chain fatty acids on the gastrointestinal microbial ecology and bacterial metabolites in the digestive tract of weaning piglets

    J. Zentek;F. Ferrara;R. Pieper;L. Tedin

  • Probiotics in pigs — modulation of their intestinal distribution and of their impact on health and performance

    D. Taras;W. Vahjen;O. Simon

  • Intestinal concentrations of free and encapsulated dietary medium-chain fatty acids and effects on gastric microbial ecology and bacterial metabolic products in the digestive tract of piglets

    Jürgen Zentek;Susanne Buchheit-Renko;Klaus Männer;Robert Pieper

Frequent Co-Authors

Jürgen Zentek
Jürgen Zentek Freie Universität Berlin
Ortwin Simon
Ortwin Simon Freie Universität Berlin
Jörg R. Aschenbach
Jörg R. Aschenbach Freie Universität Berlin
Rainer Mosenthin
Rainer Mosenthin University of Hohenheim
Christoph C. Tebbe
Christoph C. Tebbe Johann Heinrich von Thünen-Institut
Andre Franke
Andre Franke Kiel University
Markus Rodehutscord
Markus Rodehutscord University of Hohenheim
Wageha A. Awad
Wageha A. Awad University of Veterinary Medicine Vienna
Jean Charles Munch
Jean Charles Munch Technical University of Munich
Simon M. Cutting
Simon M. Cutting Royal Holloway University of London

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