World's Best Scientists 2026 revealed!
Isaac S. Kosgey

Isaac S. Kosgey

D-Index & Metrics

Animal Science and Veterinary

D-Index
22
Citations
2406
World Ranking
3101
National Ranking
8

Isaac S. Kosgey 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 Isaac S. Kosgey 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.

Isaac S. Kosgey 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 Isaac S. Kosgey 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: 22 D-Index — 2nd percentile

2% 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:

  • Agriculture
  • Ecology
  • Marketing

Isaac S. Kosgey focuses on Agroforestry, Livestock, Agriculture, Pastoral society and Tropics. His Agroforestry study combines topics in areas such as Breed, Traditional knowledge and Pastoralism. His work carried out in the field of Breed brings together such families of science as Indigenous, Biotechnology, Crossbreed and Subsistence agriculture.

Isaac S. Kosgey combines subjects such as Productivity and Animal breeding with his study of Traditional knowledge. Isaac S. Kosgey has included themes like Socioeconomics, Purebred, Flock and Red Maasai in his Pastoralism study. His Tropics research is multidisciplinary, relying on both Litter, Domestic sheep reproduction and Manure.

His most cited work include:

  • Successes and failures of small ruminant breeding programmes in the tropics: a review (192 citations)
  • Successes and failures of small ruminant breeding programmes in the tropics: a review (192 citations)
  • Successes and failures of small ruminant breeding programmes in the tropics: a review (192 citations)

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

Isaac S. Kosgey mainly investigates Livestock, Animal breeding, Animal science, Agroforestry and Biotechnology. His research integrates issues of Breed, Purebred, Tropics, Environmental resource management and Flock in his study of Livestock. His studies in Purebred integrate themes in fields like Socioeconomics and Red Maasai.

In his study, Quantitative trait locus is strongly linked to Domestic sheep reproduction, which falls under the umbrella field of Tropics. His Agroforestry study combines topics from a wide range of disciplines, such as Animal husbandry, Agriculture, Indigenous, Pastoralism and Milk production. A large part of his Agriculture studies is devoted to Pastoral society.

He most often published in these fields:

  • Livestock (65.15%)
  • Animal breeding (31.82%)
  • Animal science (33.33%)

What were the highlights of his more recent work (between 2012-2017)?

  • Livestock (65.15%)
  • Animal science (33.33%)
  • Agricultural science (18.18%)

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

His scientific interests lie mostly in Livestock, Animal science, Agricultural science, Profit and Marketing. His Livestock research includes themes of Stratified sampling, Environmental protection and Sire. His Animal science study is mostly concerned with Purebred, Crossbreed, Breed, Boer goat and Animal breeding.

His Agricultural science study integrates concerns from other disciplines, such as Probit model, Descriptive statistics and Snowball sampling. His studies in Descriptive statistics integrate themes in fields like Agriculture, Grazing and Manure. Flock is a subfield of Ecology that he investigates.

Between 2012 and 2017, his most popular works were:

  • Optimum crossbreeding systems for goats in low-input livestock production system in Kenya (6 citations)
  • Optimum crossbreeding systems for goats in low-input livestock production system in Kenya (6 citations)
  • Consumers’ Perceptions towards Goat’s Milk: Exploring the Attitude Amongst Consumers and Its Implication for a Dairy Goat Breeding Programme in Siaya County, Kenya (4 citations)

Best Publications

  • Successes and failures of small ruminant breeding programmes in the tropics: a review

    I.S. Kosgey;I.S. Kosgey;I.S. Kosgey;R.L. Baker;H.M.J. Udo;J.A.M. Van Arendonk

  • GENETIC IMPROVEMENT OF SMALL RUMINANTS IN LOW-INPUT, SMALLHOLDER PRODUCTION SYSTEMS: TECHNICAL AND INFRASTRUCTURAL ISSUES

    I.S. Kosgey;A.M. Okeyo

  • Small ruminant production in smallholder and pastoral/extensive farming systems in Kenya

    I.S. Kosgey;I.S. Kosgey;I.S. Kosgey;G.J. Rowlands;J.A.M. van Arendonk;R.L. Baker

  • Breeding objectives and breeding strategies for small ruminants in the tropics

    I.S. Kosgey

  • Economic values for traits of meat sheep in medium to high production potential areas of the tropics

    I.S Kosgey;I.S Kosgey;J.A.M van Arendonk;R.L Baker

  • Sustainable Community-Based Organizations for the Genetic Improvement of Livestock in Developing Countries:

    A.K. Kahi;T.O. Rewe;I.S. Kosgey

  • Economic values for traits in breeding objectives for sheep in the tropics: impact of tangible and intangible benefits

    Isaac S Kosgey;Isaac S Kosgey;Isaac S Kosgey;Johan A.M Van Arendonk;R.Leyden Baker

  • Bio-economic model to support breeding of indigenous chicken in different production systems

    E. O. Menge;I. S. Kosgey;A. K. Kahi

  • Direct and maternal (co)variance components, genetic parameters and annual trends for growth traits of Dorper sheep in semi-arid Kenya.

    C. M. Kariuki;Evans D. Ilatsia;Isaac S. Kosgey;Alexander K. Kahi

  • Institutional and organizational frameworks for dairy and beef cattle recording in Kenya: a review and opportunities for improvement

    I S Kosgey;S M Mbuku;A M Okeyo;Joshua O Amimo

  • Analysis of production objectives and breeding practices of dairy goats in Kenya

    R. C. Bett;I. S. Kosgey;A. K. Kahi;K. J. Peters

  • Definition of breeding objectives and optimum crossbreeding levels for goats in the smallholder production systems

    R.C. Bett;R.C. Bett;R.C. Bett;I.S. Kosgey;A.K. Kahi;Kurt J. Peters

  • Role of Camels (Camelus Dromedarius) in the Traditional Lifestyle of Somali Pastoralists in Northern Kenya

    A.Y. Guliye;I.M. Noor;B.O. Bebe;I.S. Kosgey

  • Breeding goals for the Kenya dual purpose goat. II. Estimation of economic values for production and functional traits.

    R. C. Bett;I. S. Kosgey;B. O. Bebe;A. K. Kahi

  • Influence of production circumstances and economic evaluation criteria on economic comparison of breeds and breed crosses.

    A.K. Kahi;I.S. Kosgey;V.L. Cardoso;J.A.M. Van Arendonk

  • Realities in breed improvement programmes for dairy goats in East and Central Africa

    R.C. Bett;I.S. Kosgey;A.K. Kahi;K.J. Peters

  • Genetic evaluation of growth of Dorper sheep in semi-arid Kenya using random regression models.

    C.M. Kariuki;E.D. Ilatsia;C.B. Wasike;C.B. Wasike;I.S. Kosgey

  • Breeding goals for the Kenya dual purpose goat. I. Model development and application to smallholder production systems.

    R. C. Bett;I. S. Kosgey;B. O. Bebe;A. K. Kahi;A. K. Kahi

  • Evaluation of the efficiency of alternative two‐tier nucleus breeding systems designed to improve meat sheep in Kenya

    M.G. Gicheha;I.S. Kosgey;B.O. Bebe;A.K. Kahi;A.K. Kahi

  • Genetic Improvement of Livestock for Milk Production

    Sammy K. Kiplagat;Moses K. Limo;Isaac S. Kosgey

  • Dairy goat production practices in Kenya: implications for a breeding programme.

    T. D. O. Ogola;W. K. Nguyo;I. S. Kosgey

  • Genetic polymorphism of kappa-casein gene in indigenous Eastern Africa goat populations

    S. K. Kiplagat;M. Agaba;I. S. Kosgey;M. Okeyo

  • Socio-economic factors influencing small ruminant breeding in Kenya

    E. Verbeek;E. Kanis;R.C. Bett;I.S. Kosgey

Frequent Co-Authors

Alexander K. Kahi
Alexander K. Kahi Egerton University
J.A.M. van Arendonk
J.A.M. van Arendonk Wageningen University & Research
Olivier Hanotte
Olivier Hanotte University of Nottingham
Jan Philipsson
Jan Philipsson Swedish University of Agricultural Sciences
J. H. J. van der Werf
J. H. J. van der Werf University of New England

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