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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Animal Science and Veterinary 21 3141 2840 80 76 60 1735

R. Molenaar publications per year

The chart shows the history of publications by R. Molenaar between 2005 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. R. Molenaar published across 21 years, from 2005 to 2025, averaging 3.1 papers a year. Output peaked at 9 publications in 2021. 1 of the 66 publications appeared in the last two years.

No. of publications
2 4 6 8
Bar chart. Horizontal axis: year, 2005 to 2025. Vertical axis: number of publications, 0 to 9. Peak 9 publications in 2021. 2005: 1 publication 2006: 1 publication 2007: 2 publications 2008: 2 publications 2009: 0 publications 2010: 5 publications 2011: 4 publications 2012: 2 publications 2013: 4 publications 2014: 5 publications 2015: 2 publications 2016: 0 publications 2017: 0 publications 2018: 7 publications 2019: 4 publications 2020: 5 publications 2021: 9 publications 2022: 5 publications 2023: 7 publications 2024: 0 publications 2025: 1 publication
2005 2025

66 publications in total across all disciplines

View publications per year as a table
R. Molenaar: publications per year, 2005 to 2025
Year Publications
2005 1
2006 1
2007 2
2008 2
2009 0
2010 5
2011 4
2012 2
2013 4
2014 5
2015 2
2016 0
2017 0
2018 7
2019 4
2020 5
2021 9
2022 5
2023 7
2024 0
2025 1
Total 66
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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.

No. of scientists
25 50 75 100
Bar chart with 84 bars. Horizontal axis: publications, 29–33 to 442+. Vertical axis: number of scientists, 0 to 109. Most scientists, 109, have 119–123 publications. The last bar groups every scientist with 442 publications or more. The highlighted bar, 59–63 publications, is where this scientist sits. 29–33 publications: 1 scientist 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
29–33 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.

View publications distribution as a table
Number of Animal Science and Veterinary scientists by publication count, Research.com 2026 ranking edition. Based on 3,155 ranked scientists.
Publications Scientists This scientist
29–33 1
34–38 6
39–43 17
44–48 23
49–53 28
54–58 44
59–63 66 60
64–68 75
69–73 71
74–78 85
79–83 108
84–88 105
89–93 84
94–98 103
99–103 97
104–108 95
109–113 89
114–118 88
119–123 109
124–128 93
129–133 89
134–138 95
139–143 92
144–148 80
149–153 75
154–158 74
159–163 67
164–168 53
169–173 62
174–178 63
179–183 50
184–188 55
189–193 50
194–198 27
199–203 44
204–208 31
209–213 28
214–218 38
219–223 33
224–228 36
229–233 29
234–238 35
239–243 23
244–248 24
249–253 29
254–258 28
259–263 21
264–268 25
269–273 11
274–278 18
279–283 13
284–288 18
289–293 10
294–298 12
299–303 11
304–308 15
309–313 14
314–318 14
319–323 8
324–328 8
329–333 13
334–338 14
339–343 13
344–348 10
349–353 11
354–358 5
359–363 8
364–368 8
369–373 6
374–378 7
379–383 8
384–388 3
389–393 4
394–398 5
399–403 8
404–408 5
409–413 4
414–418 3
419–423 8
424–428 5
429–433 3
434–438 5
439–441 5
442+ 99
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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.

No. of scientists
50 100 150
Bar chart with 58 bars. Horizontal axis: D-Index, 20 to 77+. Vertical axis: number of scientists, 0 to 158. Most scientists, 158, have 31 D-Index. The last bar groups every scientist with 77 D-Index or more. The highlighted bar, 21 D-Index, is where this scientist sits. 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.

View D-Index distribution as a table
Number of Animal Science and Veterinary scientists by D-index, Research.com 2026 ranking edition. Based on 3,155 ranked scientists.
D-Index Scientists This scientist
20 5
21 22 21
22 31
23 44
24 53
25 66
26 80
27 101
28 106
29 116
30 154
31 158
32 143
33 137
34 126
35 134
36 112
37 115
38 105
39 111
40 107
41 87
42 74
43 62
44 61
45 41
46 51
47 43
48 28
49 47
50 40
51 34
52 33
53 43
54 16
55 32
56 21
57 18
58 28
59 33
60 17
61 21
62 18
63 21
64 9
65 20
66 11
67 16
68 12
69 17
70 13
71 15
72 11
73 11
74 14
75 5
76 6
77+ 100
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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

  • 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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