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Wilfried Vahjen

D-Index & Metrics

Biology and Biochemistry

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

Wilfried Vahjen publication distribution in Biology and Biochemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Biology and Biochemistry in 2026. The highlighted bar marks where Wilfried Vahjen sits on this spectrum.

47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 414 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 849 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 950 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 841 scientists 207–216 publications: 735 scientists 217–226 publications: 709 scientists 227–236 publications: 651 scientists 237–246 publications: 605 scientists 247–256 publications: 510 scientists 257–266 publications: 524 scientists 267–276 publications: 434 scientists 277–286 publications: 418 scientists 287–296 publications: 350 scientists 297–306 publications: 363 scientists 307–316 publications: 315 scientists 317–326 publications: 296 scientists 327–336 publications: 261 scientists 337–346 publications: 240 scientists 347–356 publications: 219 scientists 357–366 publications: 197 scientists 367–376 publications: 154 scientists 377–386 publications: 161 scientists 387–396 publications: 155 scientists 397–406 publications: 145 scientists 407–416 publications: 124 scientists 417–426 publications: 112 scientists 427–436 publications: 132 scientists 437–446 publications: 116 scientists 447–456 publications: 99 scientists 457–466 publications: 81 scientists 467–476 publications: 91 scientists 477–486 publications: 80 scientists 487–496 publications: 80 scientists 497–506 publications: 60 scientists 507–516 publications: 36 scientists 517–526 publications: 46 scientists 527–536 publications: 54 scientists 537–546 publications: 44 scientists 547–556 publications: 43 scientists 557–566 publications: 43 scientists 567–576 publications: 42 scientists 577–586 publications: 25 scientists 587–596 publications: 34 scientists 597–606 publications: 23 scientists 607–616 publications: 33 scientists 617–626 publications: 31 scientists 627–636 publications: 27 scientists 637–646 publications: 25 scientists 647–656 publications: 28 scientists 657–666 publications: 34 scientists 667–676 publications: 18 scientists 677–686 publications: 16 scientists 687–696 publications: 10 scientists 697–706 publications: 12 scientists 707–716 publications: 21 scientists 717–726 publications: 12 scientists 727–736 publications: 12 scientists 737–746 publications: 10 scientists 747–756 publications: 7 scientists 757–766 publications: 13 scientists 767–776 publications: 15 scientists 777–786 publications: 13 scientists 787–796 publications: 9 scientists 797–806 publications: 9 scientists 807–816 publications: 7 scientists 817–826 publications: 4 scientists 827–836 publications: 9 scientists 837–846 publications: 7 scientists 847–856 publications: 3 scientists 857–866 publications: 5 scientists 867–876 publications: 5 scientists 877–886 publications: 11 scientists 887–896 publications: 3 scientists 897–906 publications: 4 scientists 907–916 publications: 7 scientists 917–926 publications: 5 scientists 927–936 publications: 6 scientists 937–946 publications: 6 scientists 947–956 publications: 3 scientists 957–966 publications: 7 scientists 967–976 publications: 2 scientists 977–986 publications: 2 scientists 987–996 publications: 1 scientists 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientists 1,028+ publications: 100 scientists
47 publications 1,028+

This scientist: 151 publications — 27th percentile

27% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,028 publications or more.

Wilfried Vahjen D-index placement in Biology and Biochemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Biology and Biochemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Wilfried Vahjen sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 317 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 900 scientists 52–53 D-Index: 1,026 scientists 54–55 D-Index: 1,150 scientists 56–57 D-Index: 1,236 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,163 scientists 62–63 D-Index: 1,131 scientists 64–65 D-Index: 1,032 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 715 scientists 72–73 D-Index: 709 scientists 74–75 D-Index: 596 scientists 76–77 D-Index: 512 scientists 78–79 D-Index: 473 scientists 80–81 D-Index: 412 scientists 82–83 D-Index: 373 scientists 84–85 D-Index: 358 scientists 86–87 D-Index: 285 scientists 88–89 D-Index: 273 scientists 90–91 D-Index: 227 scientists 92–93 D-Index: 208 scientists 94–95 D-Index: 193 scientists 96–97 D-Index: 153 scientists 98–99 D-Index: 157 scientists 100–101 D-Index: 148 scientists 102–103 D-Index: 120 scientists 104–105 D-Index: 113 scientists 106–107 D-Index: 100 scientists 108–109 D-Index: 86 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 72 scientists 114–115 D-Index: 73 scientists 116–117 D-Index: 64 scientists 118–119 D-Index: 53 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 54 scientists 124–125 D-Index: 43 scientists 126–127 D-Index: 38 scientists 128–129 D-Index: 49 scientists 130–131 D-Index: 26 scientists 132–133 D-Index: 18 scientists 134–135 D-Index: 23 scientists 136–137 D-Index: 32 scientists 138–139 D-Index: 32 scientists 140–141 D-Index: 27 scientists 142–143 D-Index: 19 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 12 scientists 148–149 D-Index: 16 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 10 scientists 154–155 D-Index: 13 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 9 scientists 162–163 D-Index: 13 scientists 164–165 D-Index: 4 scientists 166 D-Index: 4 scientists 167+ D-Index: 98 scientists
40 D-Index 167+

This scientist: 48 D-Index — 7th percentile

7% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 167 D-Index or more.

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

External Links

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Best Scientists Citing Wilfried Vahjen

Jürgen Zentek

Jürgen Zentek

Freie Universität Berlin

Publications: 28

Wageha A. Awad

Wageha A. Awad

University of Veterinary Medicine Vienna

Publications: 24

Sven Dänicke

Sven Dänicke

Friedrich-Loeffler-Institut

Publications: 24

Yulong Yin

Yulong Yin

Chinese Academy of Sciences

Publications: 21

Jörg R. Aschenbach

Jörg R. Aschenbach

Freie Universität Berlin

Publications: 20

M. R. Bedford

M. R. Bedford

AmeriCorps VISTA

Publications: 19

Lothar H. Wieler

Lothar H. Wieler

Hasso Plattner Institute

Publications: 18

Christoph C. Tebbe

Christoph C. Tebbe

Johann Heinrich von Thünen-Institut

Publications: 16

Xi Ma

Xi Ma

China Agricultural University

Publications: 16

Rainer Mosenthin

Rainer Mosenthin

University of Hohenheim

Publications: 16

Barbara U. Metzler-Zebeli

Barbara U. Metzler-Zebeli

University of Veterinary Medicine Vienna

Publications: 16

Weiyun Zhu

Weiyun Zhu

Nanjing Agricultural University

Publications: 16

K. Ghareeb

K. Ghareeb

University of Veterinary Medicine Vienna

Publications: 15

Qendrim Zebeli

Qendrim Zebeli

University of Veterinary Medicine Vienna

Publications: 14

John R. Pluske

John R. Pluske

Australasian Pork Research Institute

Publications: 13

Paolo Bosi

Paolo Bosi

University of Bologna

Publications: 12

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