World's Best Scientists 2026 revealed!

D-Index & Metrics

Animal Science and Veterinary

D-Index
25
Citations
2536
World Ranking
2958
National Ranking
32

J.B. van Wyk 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 J.B. van Wyk 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: 95 publications — 24th percentile

24% of scientists in this discipline score the same or lower.

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

J.B. van Wyk 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 J.B. van Wyk 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: 25 D-Index — 7th percentile

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

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

Overview

What is he best known for?

The fields of study he is best known for:

  • Genetics
  • Ecology
  • Animal science

His primary scientific interests are in Animal science, Heritability, Genetic correlation, Reproduction and Weaning. In general Animal science study, his work on Breed often relates to the realm of Weaning weight, thereby connecting several areas of interest. His Heritability study incorporates themes from Litter, Statistics, Variance components and Flock.

His Flock research is multidisciplinary, relying on both Body weight, Dorper sheep and Additive genetic effects. J.B. van Wyk has researched Reproduction in several fields, including Domestic sheep reproduction and Sire. J.B. van Wyk works mostly in the field of Weaning, limiting it down to topics relating to Biotechnology and, in certain cases, Standard error, as a part of the same area of interest.

His most cited work include:

  • GENETIC PARAMETER ESTIMATES IN SABI SHEEP (136 citations)
  • Direct and maternal (co) variance components and heritability estimates for body weight at different ages and fleece traits in Afrino sheep (127 citations)
  • Genetic parameter estimates for pre-weaning weight traits in Dorper sheep. (90 citations)

What are the main themes of his work throughout his whole career to date?

His primary areas of investigation include Animal science, Heritability, Breed, Genetic correlation and Reproduction. His research in Animal science tackles topics such as Flock which are related to areas like Indirect selection. His study in Heritability is interdisciplinary in nature, drawing from both Statistics, Variance components, Biotechnology and Animal breeding.

His Breed study integrates concerns from other disciplines, such as Dairy cattle and Inbreeding, Inbreeding depression. The concepts of his Reproduction study are interwoven with issues in Base population and Domestic sheep reproduction. His work focuses on many connections between Weaning and other disciplines, such as Fertility, that overlap with his field of interest in Litter.

He most often published in these fields:

  • Animal science (82.11%)
  • Heritability (49.47%)
  • Breed (27.37%)

What were the highlights of his more recent work (between 2009-2021)?

  • Animal science (82.11%)
  • Heritability (49.47%)
  • Genetic correlation (26.32%)

In recent papers he was focusing on the following fields of study:

J.B. van Wyk mainly investigates Animal science, Heritability, Genetic correlation, Breed and Sire. The Animal science study combines topics in areas such as Ecology, Flock and Reproduction. His Heritability research includes themes of Statistics, Threshold model, Animal breeding and Beef cattle.

His Genetic correlation research incorporates elements of Body weight and Genetic diversity. His work is dedicated to discovering how Breed, Herd are connected with Rump and Dohne Merino and other disciplines. Inbreeding is closely connected to Genetics in his research, which is encompassed under the umbrella topic of Sire.

Between 2009 and 2021, his most popular works were:

  • South African sheep breeds: Population genetic structure and conservation implications (30 citations)
  • Estimation of genetic and phenotypic parameters of growth curve and their relationship with early growth and productivity in Horro sheep (21 citations)
  • Genetic (co)variances between wrinkle score and absence of breech strike in mulesed and unmulesed Merino sheep, using a threshold model (19 citations)

In his most recent research, the most cited papers focused on:

  • Genetics
  • Ecology
  • Animal science

The scientist’s investigation covers issues in Animal science, Genetic correlation, Heritability, Ecology and Reproduction. His work blends Animal science and Soil indicators studies together. His Genetic correlation research includes elements of Breed and Likelihood-ratio test.

J.B. van Wyk performs integrative study on Heritability and Weaning weight. His Ecology research is multidisciplinary, incorporating perspectives in Genetic distance and Genetic structure. The various areas that J.B. van Wyk examines in his Reproduction study include Base population, Seasonal breeder, Flock, Sire and Additive genetic effects.

Best Publications

  • GENETIC PARAMETER ESTIMATES IN SABI SHEEP

    Oswald Matika;JB van Wyk;GJ Erasmus;RL Baker

  • Direct and maternal (co) variance components and heritability estimates for body weight at different ages and fleece traits in Afrino sheep

    M.A. Snyman;G.J. Erasmus;J.B. van Wyk;J.J. Olivier

  • Genetic parameter estimates for pre-weaning weight traits in Dorper sheep.

    F.W.C. Neser;G.J. Erasmus;J.B. van Wyk

  • Case study: The effect of inbreeding on the production and reproduction traits in the Elsenburg Dormer sheep stud

    J.B. van Wyk;M.D. Fair;S.W.P. Cloete

  • Model comparisons and genetic and environmental parameter estimates of growth and the Kleiber ratio in Horro sheep

    S Abegaz;JB van Wyk;JJ Olivier

  • Genetic and phenotypic trends and parameters in reproduction, greasy fleece weight and liveweight in Merino lines divergently selected for multiple rearing ability

    S. W. P. Cloete;A. R. Gilmour;J. J. Olivier;J. B. van Wyk

  • Characterisation of indigenous African cattle breeds in relation to meat quality traits

    P.E Strydom;R.T Naude;M.F Smith;M.M Scholtz

  • Revised models and genetic parameter estimates for production and reproduction traits in the Elsenburg Dormer sheep stud

    J. B. van Wyk;M. D. Fair;S. W. P. Cloete

  • Genetic parameter estimates for body measurements and growth traits in South African Bonsmara cattle

    A.N Maiwashe;M.J Bradfield;H.E Theron;J.B van Wyk

  • Genetic and environmental trends of early growth traits in the Elsenburg Dormer sheep stud

    J.B. van Wyk;G.J. Erasmus;K.V. Konstantinov

  • Genetic parameter estimates for total weight of lamb weaned in Afrino and Merino sheep

    M.A. Snyman;J.J. Olivier;G.J. Erasmus;J.B. van Wyk

  • Estimation of genetic and phenotypic parameters of growth curve and their relationship with early growth and productivity in Horro sheep

    S. Abegaz;J. B. Van Wyk;J. J. Olivier;J. J. Olivier

  • South African sheep breeds: Population genetic structure and conservation implications

    P. Soma;A. Kotze;J.P. Grobler;J.B. van Wyk

  • Direct and correlated responses to selection for total weight of lamb weaned in Merino sheep

    W.J. Olivier;M.A. Snyman;J.J. Olivier;J.B. Van Wyk

  • Resistance of Sabi and Dorper ewes to gastro-intestinal nematode infections in an African semi-arid environment

    O. Matika;S. Nyoni;J.B. van Wyk;G.J. Erasmus

  • Estimation of genetic parameters for growth traits in Brangus cattle

    F. W. C. Neser;J. B. van Wyk;M. D. Fair;P. Lubout

  • Genetic parameters for growth traits in South African Brahman cattle

    B.A. Pico;F.W.C. Neser;J.B. Van Wyk

  • Heritability estimates derived from threshold analyses for reproduction and stayability traits in a beef cattle herd

    R.R. Van der Westhuizen;S.J. Schoeman;G.F. Jordaan;J.B. Van Wyk

  • Genetic studies on the South African Mutton Merino: growth traits

    F.W.C. Neser;G.J. Erasmus;J.B. Van Wyk

  • Genetic and phenotypic correlations among production and reproduction traits in Africano sheep

    MA Snyman;GJ Erasmus;JB van Wyk;JJ Olivier

Frequent Co-Authors

Vincent Ducrocq
Vincent Ducrocq University of Paris-Saclay
Kennedy Dzama
Kennedy Dzama Stellenbosch University
Oswald Matika
Oswald Matika University of Edinburgh
Ignacy Misztal
Ignacy Misztal University of Georgia

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Related Online Degrees & Career Pathways

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