World's Best Scientists 2026 revealed!

D-Index & Metrics

Animal Science and Veterinary

D-Index
34
Citations
5437
World Ranking
1831
National Ranking
529

H. D. Chapman 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 H. D. Chapman 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: 110 publications — 33rd percentile

33% of scientists in this discipline score the same or lower.

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

H. D. Chapman 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 H. D. Chapman 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: 34 D-Index — 43rd percentile

43% of scientists in this discipline score the same or lower.

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

Overview

H. D. Chapman is affiliated with the University of Arkansas at Fayetteville in the United States. Their research work primarily spans the fields of Agricultural and Biological Sciences and Veterinary science, with a focus on Animal Science and Zoology as well as Small Animals within these disciplines.

The scientist's main research topics include:

  • Coccidia and coccidiosis research
  • Veterinary medicine and infectious diseases
  • Animal Nutrition and Physiology

Chapman has contributed to the study of coccidiosis, a parasitic disease affecting poultry, which aligns with their work in veterinary medicine and animal nutrition. A notable publication from 2021 is titled "Restoration of the sensitivity of Eimeria acervulina to anticoccidial drugs in the chicken following use of a live coccidiosis vaccine", which appeared in the journal Veterinary Parasitology. This paper reflects Chapman's involvement in research addressing parasitic resistance and vaccine interventions in animal health.

Frequent co-authors collaborating with Chapman include:

  • M. Vereecken
  • Ben Dehaeck
  • T. Rathinam
  • Wim Schelstraete
  • K. De Gussem

The scientist has published in venues that focus on parasitology and veterinary studies, with Veterinary Parasitology being a notable platform for their work. This suggests an emphasis on infectious diseases and parasite management in domestic animals.

H. D. Chapman's research contributes to the understanding of veterinary infectious diseases and the biological mechanisms underpinning animal health, particularly through studies of parasite-host interactions and the development of vaccine strategies targeting coccidiosis.

Best Publications

  • Biochemical, genetic and applied aspects of drug resistance in Eimeria parasites of the fowl.

    Chapman Hd

  • Milestones in avian coccidiosis research: A review

    H. D. Chapman

  • Forty years of monensin for the control of coccidiosis in poultry

    H. D. Chapman;T. K. Jeffers;R. B. Williams

  • A selective review of advances in coccidiosis research.

    H David Chapman;John R Barta;Damer Blake;Arthur Gruber

  • Sustainable coccidiosis control in poultry production: the role of live vaccines

    Unknown

  • Anticoccidial drugs of the livestock industry

    Unknown

  • World Association for the Advancement of Veterinary Parasitology (WAAVP) guidelines for evaluating the efficacy of anticoccidial drugs in chickens and turkeys.

    P.A Holdsworth;D.P Conway;M.E McKenzie;A.D Dayton

  • Practical use of vaccines for the control of coccidiosis in the chicken

    H.D. Chapman

  • In vitro cultivation of Cryptosporidium parvum and screening for anticryptosporidial drugs.

    V. Mcdonald;R. Stables;D. C. Warhurst;M. R. Barer

  • World Association for the Advancement of Veterinary Parasitology (WAAVP) guidelines for evaluating the effectiveness of anthelmintics in chickens and turkeys

    TA Yazwinski;HD Chapman;RB Davis;T Letonja

  • Anticoccidial drugs and their effects upon the development of immunity to Eimeria infections in poultry

    Chapman Hd

  • Coccidiosis in the turkey

    Chapman Hd

  • Guidelines for evaluating the efficacy and safety of live anticoccidial vaccines, and obtaining approval for their use in chickens and turkeys.

    H D Chapman;B Roberts;M W Shirley;R B Williams

  • A landmark contribution to poultry science—Prophylactic control of coccidiosis in poultry

    H. D. Chapman

  • The Houghton strain of Eimeria tenella: a review of the type strain selected for genome sequencing.

    Chapman Hd;Shirley Mw

  • Resistance to anticoccidial drugs in fowl

    H.D. Chapman

  • Serum ovotransferrin as a biomarker of inflammatory diseases in chickens

    N. C. Rath;N. B. Anthony;L. Kannan;L. Kannan;W. E. Huff

  • Resistance to antiparasitic drugs: the role of molecular diagnosis.

    Nicholas Sangster;Phillip Batterham;H.David Chapman;Manoj Duraisingh

  • Drug resistance in avian coccidia (a review)

    H.D. Chapman

  • Use of anticoccidial drugs in broiler chickens in the USA: analysis for the years 1995 to 1999.

    H. D. Chapman

  • SENSITIVITY OF FIELD ISOLATES OF EIMERIA TO MONENSIN FOLLOWING THE USE OF A COCCIDIOSIS VACCINE IN BROILER CHICKENS

    H. D. Chapman

  • Sensitivity of Field Isolates of Eimeria from Two Broiler Complexes to Anticoccidial Drugs in the Chicken

    H. D. Chapman;A. B. Hacker

  • The epizootiology of Eimeria infections in commercial broiler chickens where anticoccidial drug programs were employed in six successive flocks to control coccidiosis

    H. D. Chapman;J. R. Barta;M. A. Hafeez;P. Matsler

  • Acquisition of Immunity to Eimeria maxima in Newly Hatched Chickens Given 100 Oocysts

    H. D. Chapman;P. L. Matsler;V. K. Muthavarapu;M. E. Chapman

  • The development of immunity to Eimeria species in broilers given anticoccidial drugs.

    Chapman Hd

  • Oocysts of Eimeria in the litter of broilers reared to eight weeks of age before and after withdrawal of lasalocid or salinomycin.

    H. D. Chapman;Z. B. Johnson

Frequent Co-Authors

Narayan C. Rath
Narayan C. Rath University of Arkansas at Fayetteville
Jozef Vercruysse
Jozef Vercruysse Ghent University
W. E. Huff
W. E. Huff University of Arkansas at Fayetteville
John R. Barta
John R. Barta University of Guelph
Nicholas B. Anthony
Nicholas B. Anthony University of Arkansas at Fayetteville
P. W. Waldroup
P. W. Waldroup University of Arkansas at Fayetteville
Louis Maes
Louis Maes University of Antwerp

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

For those interested in the broader field of animal science and veterinary studies, exploring related online degrees can open diverse career opportunities. Programs like online exercise science programs offer valuable insights into animal physiology and health management, complementing veterinary knowledge.

Additionally, pursuing advanced certifications such as bcba masters programs can prepare students for careers in behavioral analysis, an essential skill in animal training and welfare.

For those interested in the psychological aspects of animal care or human-animal interaction, accredited programs like the nasp accredited programs provide a strong foundation in developmental and educational psychology.

Furthermore, pursuing online apa accredited psyd programs offers an accessible route to clinical psychology, a field often intertwined with veterinary behavioral health and animal-assisted therapies. These pathways enhance both knowledge and career flexibility.

Best Scientists Citing H. D. Chapman

Trending Scientists

Recently Published Articles