World's Best Scientists 2026 revealed!

D-Index & Metrics

Animal Science and Veterinary

D-Index
21
Citations
1735
World Ranking
3141
National Ranking
80

R. Molenaar publication distribution in Animal Science and Veterinary in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Animal Science and Veterinary in 2026. The highlighted bar marks where R. Molenaar sits on this spectrum.

29–33 publications: 1 scientists 34–38 publications: 6 scientists 39–43 publications: 17 scientists 44–48 publications: 23 scientists 49–53 publications: 28 scientists 54–58 publications: 44 scientists 59–63 publications: 66 scientists 64–68 publications: 75 scientists 69–73 publications: 71 scientists 74–78 publications: 85 scientists 79–83 publications: 108 scientists 84–88 publications: 105 scientists 89–93 publications: 84 scientists 94–98 publications: 103 scientists 99–103 publications: 97 scientists 104–108 publications: 95 scientists 109–113 publications: 89 scientists 114–118 publications: 88 scientists 119–123 publications: 109 scientists 124–128 publications: 93 scientists 129–133 publications: 89 scientists 134–138 publications: 95 scientists 139–143 publications: 92 scientists 144–148 publications: 80 scientists 149–153 publications: 75 scientists 154–158 publications: 74 scientists 159–163 publications: 67 scientists 164–168 publications: 53 scientists 169–173 publications: 62 scientists 174–178 publications: 63 scientists 179–183 publications: 50 scientists 184–188 publications: 55 scientists 189–193 publications: 50 scientists 194–198 publications: 27 scientists 199–203 publications: 44 scientists 204–208 publications: 31 scientists 209–213 publications: 28 scientists 214–218 publications: 38 scientists 219–223 publications: 33 scientists 224–228 publications: 36 scientists 229–233 publications: 29 scientists 234–238 publications: 35 scientists 239–243 publications: 23 scientists 244–248 publications: 24 scientists 249–253 publications: 29 scientists 254–258 publications: 28 scientists 259–263 publications: 21 scientists 264–268 publications: 25 scientists 269–273 publications: 11 scientists 274–278 publications: 18 scientists 279–283 publications: 13 scientists 284–288 publications: 18 scientists 289–293 publications: 10 scientists 294–298 publications: 12 scientists 299–303 publications: 11 scientists 304–308 publications: 15 scientists 309–313 publications: 14 scientists 314–318 publications: 14 scientists 319–323 publications: 8 scientists 324–328 publications: 8 scientists 329–333 publications: 13 scientists 334–338 publications: 14 scientists 339–343 publications: 13 scientists 344–348 publications: 10 scientists 349–353 publications: 11 scientists 354–358 publications: 5 scientists 359–363 publications: 8 scientists 364–368 publications: 8 scientists 369–373 publications: 6 scientists 374–378 publications: 7 scientists 379–383 publications: 8 scientists 384–388 publications: 3 scientists 389–393 publications: 4 scientists 394–398 publications: 5 scientists 399–403 publications: 8 scientists 404–408 publications: 5 scientists 409–413 publications: 4 scientists 414–418 publications: 3 scientists 419–423 publications: 8 scientists 424–428 publications: 5 scientists 429–433 publications: 3 scientists 434–438 publications: 5 scientists 439–441 publications: 5 scientists 442+ publications: 99 scientists
29 publications 442+

This scientist: 60 publications — 5th percentile

5% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 442 publications or more.

R. Molenaar D-index placement in Animal Science and Veterinary in 2026

The chart shows the D-index (discipline H-index) distribution of Animal Science and Veterinary scientists ranked by Research.com in 2026. The highlighted bar marks where R. Molenaar sits on this spectrum.

20 D-Index: 5 scientists 21 D-Index: 22 scientists 22 D-Index: 31 scientists 23 D-Index: 44 scientists 24 D-Index: 53 scientists 25 D-Index: 66 scientists 26 D-Index: 80 scientists 27 D-Index: 101 scientists 28 D-Index: 106 scientists 29 D-Index: 116 scientists 30 D-Index: 154 scientists 31 D-Index: 158 scientists 32 D-Index: 143 scientists 33 D-Index: 137 scientists 34 D-Index: 126 scientists 35 D-Index: 134 scientists 36 D-Index: 112 scientists 37 D-Index: 115 scientists 38 D-Index: 105 scientists 39 D-Index: 111 scientists 40 D-Index: 107 scientists 41 D-Index: 87 scientists 42 D-Index: 74 scientists 43 D-Index: 62 scientists 44 D-Index: 61 scientists 45 D-Index: 41 scientists 46 D-Index: 51 scientists 47 D-Index: 43 scientists 48 D-Index: 28 scientists 49 D-Index: 47 scientists 50 D-Index: 40 scientists 51 D-Index: 34 scientists 52 D-Index: 33 scientists 53 D-Index: 43 scientists 54 D-Index: 16 scientists 55 D-Index: 32 scientists 56 D-Index: 21 scientists 57 D-Index: 18 scientists 58 D-Index: 28 scientists 59 D-Index: 33 scientists 60 D-Index: 17 scientists 61 D-Index: 21 scientists 62 D-Index: 18 scientists 63 D-Index: 21 scientists 64 D-Index: 9 scientists 65 D-Index: 20 scientists 66 D-Index: 11 scientists 67 D-Index: 16 scientists 68 D-Index: 12 scientists 69 D-Index: 17 scientists 70 D-Index: 13 scientists 71 D-Index: 15 scientists 72 D-Index: 11 scientists 73 D-Index: 11 scientists 74 D-Index: 14 scientists 75 D-Index: 5 scientists 76 D-Index: 6 scientists 77+ D-Index: 100 scientists
20 D-Index 77+

This scientist: 21 D-Index — 1st percentile

1% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 77 D-Index or more.

Overview

R. Molenaar is affiliated with Wageningen University & Research in the Netherlands, contributing to research primarily within the fields of Agricultural and Biological Sciences and Veterinary studies. Their scholarly work focuses on various subfields including Animal Science and Zoology, Small Animals, Aquatic Science, Parasitology, and Genetics.

The main areas of research for Molenaar centre around Animal Nutrition and Physiology, Livestock and Poultry Management, and Animal Behavior and Welfare Studies. Additional topics covered include Meat and Animal Product Quality, Rabbits related to Nutrition, Reproduction, and Health, Aquaculture Nutrition and Growth, and Bird parasitology and diseases.

Molenaar has published extensively, with frequent articles appearing in the following venues:

  • Poultry Science
  • animal
  • Applied Animal Behaviour Science
  • PLoS ONE
  • Frontiers in Veterinary Science

Recent publications include:

  • A review on yolk sac utilization in poultry, 2020, Poultry Science
  • Providing environmental enrichments affects activity and performance, but not leg health in fast- and slower-growing broiler chickens, 2021, Applied Animal Behaviour Science
  • Effects of hatching system on the welfare of broiler chickens in early and later life, 2020, Poultry Science
  • Day-old chicken quality and performance of broiler chickens from 3 different hatching systems, 2020, Poultry Science
  • Effects of incubation temperature pattern on broiler performance, 2020, Poultry Science

Molenaar frequently collaborates with several co-authors, including:

  • H. van den Brand
  • B. Kemp
  • I.C. de Jong
  • Mona F. Giersberg
  • Bahadir Guz

Best Publications

  • Effect of Egg Size on Heat Production and the Transition of Energy From Egg to Hatchling

    A. Lourens;R. Molenaar;H. van den Brand;M. J. W. Heetkamp

  • A review on yolk sac utilization in poultry

    Ilonka van der Wagt;Ingrid C. de Jong;Malcolm A. Mitchell;Roos Molenaar

  • High eggshell temperatures during incubation decrease growth performance and increase the incidence of ascites in broiler chickens

    R. Molenaar;R. Hulet;R. Meijerhof;C.M. Maatjens

  • Effects of moment of hatch and feed access on chicken development.

    D.M. Lamot;I.B. van der Linde;R. Molenaar;C.W. van der Pol

  • Meeting embryonic requirements of broilers throughout incubation: a review

    R. Molenaar;I.A.M. Reijrink;R. Meijerhof;H. van den Brand

  • Relationship between hatchling length and weight on later productive performance in broilers

    R. Molenaar;I.A.M. Reijrink;R. Meijerhof;H. Van Den Brand

  • Effect of eggshell temperature and oxygen concentration on survival rate and nutrient utilization in chicken embryos

    R. Molenaar;R. Meijerhof;I. van den Anker;M.J.W. Heetkamp

  • Effect of eggshell temperature and oxygen concentration during incubation on the developmental and physiological status of broiler hatchlings in the perinatal period

    R. Molenaar;I. van den Anker;R. Meijerhof;B. Kemp

  • Early feeding affects resistance against cold exposure in young broiler chickens

    H. van den Brand;R. Molenaar;I. van der Star;R. Meijerhof

  • Effect of relative humidity during incubation at a set eggshell temperature and brooding temperature posthatch on embryonic mortality and chick quality

    C. W. van der Pol;I. A. M. van Roovert-Reijrink;C. M. Maatjens;H. van den Brand

  • Providing environmental enrichments affects activity and performance, but not leg health in fast- and slower-growing broiler chickens

    Ingrid C. de Jong;Xana E. Blaauw;Jerine A.J. van der Eijk;Carol Souza da Silva

  • Temperature and CO2 during the hatching phase. I. Effects on chick quality and organ development

    C. M. Maatjens;I. A. M. Reijrink;R. Molenaar;C. W. van der Pol

  • Effects of dietary organic minerals, fish oil, and hydrolyzed collagen on growth performance and tibia characteristics of broiler chickens.

    Bahadir Guz;R. Molenaar;I.C. de Jong;B. Kemp

  • Effects of hatching system on the welfare of broiler chickens in early and later life.

    Mona F. Giersberg;Roos Molenaar;Ingrid C. de Jong;Carol Souza da Silva

  • Day-old chicken quality and performance of broiler chickens from 3 different hatching systems

    Carol Souza da Silva;Roos Molenaar;Mona F. Giersberg;T. Bas Rodenburg

  • Differences in egg nutrient availability, development, and nutrient metabolism of broiler and layer embryos

    A. Nangsuay;R. Molenaar;R. Meijerhof;I. van den Anker

  • Effects of pen enrichment on leg health of fast and slower-growing broiler chickens

    Unknown

  • Effects of incubation temperature pattern on broiler performance

    H.J. Wijnen;R. Molenaar;I.A.M. van Roovert-Reijrink;C.W. van der Pol

  • High environmental temperature increases glucose requirement in the developing chicken embryo.

    Roos Molenaar;Joost J. G. C. van den Borne;Ewoud Hazejager;Niels B. Kristensen

  • Effect of eggshell temperature and a hole in the air cell on the perinatal development and physiology of layer hatchlings

    R. Molenaar;S. de Vries;I. van den Anker;R. Meijerhof

  • Lighting schedule and dimming period in early life: consequences for broiler chicken leg bone development

    Carla W. van der Pol;Roos Molenaar;Christiaan J. Buitink;Inge A. M. van Roovert-Reijrink

Frequent Co-Authors

H. van den Brand
H. van den Brand Wageningen University & Research
Bas Kemp
Bas Kemp Wageningen University & Research
M.J.W. Heetkamp
M.J.W. Heetkamp Wageningen University & Research
I.C. de Jong
I.C. de Jong Wageningen University & Research
T.B. Rodenburg
T.B. Rodenburg Utrecht University

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Related Online Degrees & Career Pathways

For those interested in studying Animal Science and Veterinary fields in the USA, exploring related online degrees can broaden career opportunities. Programs like mft master's programs online offer flexible options for students seeking to combine animal care with counseling skills, especially in animal-assisted therapy.

Advanced degrees, such as a phd in counseling online, provide avenues for specialization in behavioral studies, which can complement animal science knowledge in roles like veterinary behavioral research or rehabilitation.

Additionally, understanding the diverse animal degrees available online can guide students toward careers in wildlife management, zoology, or veterinary technology, depending on interest and industry demand.

Interestingly, career pathways can also intersect with other fields, such as sports and recreation management. Learning how to become an athletic director introduces leadership skills applicable to managing veterinary clinics, animal care facilities, or conservation programs.

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