World's Best Scientists 2026 revealed!

D-Index & Metrics

Animal Science and Veterinary

D-Index
34
Citations
4645
World Ranking
1859
National Ranking
536

Anne M. Zajac 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 Anne M. Zajac 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: 127 publications — 44th percentile

44% of scientists in this discipline score the same or lower.

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

Anne M. Zajac 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 Anne M. Zajac 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

Anne M. Zajac is affiliated with Virginia Tech in the United States, contributing extensively to the fields of veterinary science, agricultural and biological sciences, and medicine. Their research focuses notably on parasitology, small animal health, animal science and zoology, ecology, and infectious diseases.

The scientist's work covers a range of topics including helminth infection and control, coccidia and coccidiosis research, parasitic infections and diagnostics, parasite biology and host interactions, parasitic infections in both humans and animals, congenital anomalies and fetal surgery, as well as ruminant nutrition and digestive physiology.

Recent significant publications by Anne M. Zajac include:

  • Biology, Epidemiology, and Control of Gastrointestinal Nematodes of Small Ruminants, 2020, Veterinary Clinics of North America Food Animal Practice
  • Alveolar echinococcosis in a dog in the eastern United States, 2020, Journal of Veterinary Diagnostic Investigation

Among the sources wherein they have published frequently are:

  • International Journal for Parasitology Drugs and Drug Resistance
  • Veterinary Clinics of North America Food Animal Practice
  • Parasites & Vectors
  • Journal of Veterinary Diagnostic Investigation
  • Veterinary Microbiology

Anne M. Zajac has collaborated repeatedly with several coauthors, including Yue Xie, Yan Hu, Katherine H. Petersson, Robert W. Li, and Joseph F. Urban.

Their research is primarily centered on veterinary parasitology and the control and diagnosis of parasitic infections in small animals and ruminants, with involvement in studies addressing gastrointestinal nematodes in livestock as well as parasitic diseases affecting companion animals.

Best Publications

  • Hookworms of dogs and cats as agents of cutaneous larva migrans

    Dwight D. Bowman;Susan P. Montgomery;Anne M. Zajac;Mark L. Eberhard

  • Prevalence of anthelmintic resistance on sheep and goat farms in the southeastern United States.

    Sue B Howell;Joan M Burke;James E Miller;Thomas H Terrill

  • Transplacental transmission of a North American isolate of Leishmania infantum in an experimentally infected beagle.

    Alexa C. Rosypal;Gregory C. Troy;Anne M. Zajac;Glenn Frank

  • Gastrointestinal nematodes of small ruminants: life cycle, anthelmintics, and diagnosis.

    Anne M. Zajac

  • Resistance of St. Croix lambs to Haemonchuscontortus in experimentally and naturally acquired infections

    H.Ray Gamble;Anne M. Zajac

  • SURVIVAL OF TOXOPLASMA GONDII OOCYSTS IN EASTERN OYSTERS (CRASSOSTREA VIRGINICA)

    David S. Lindsay;Marina V. Collins;Sheila M. Mitchell;Carly N. Wetch

  • Multiple anthelmintic resistance in a goat herd.

    Anne M Zajac;Terry A Gipson

  • Inheritance of fecal egg count and packed cell volume and their relationship with production traits in sheep infected with Haemonchus contortus.

    H. B. Vanimisetti;S. L. Andrew;A. M. Zajac;D. R. Notter

  • Performance of hair sheep composite breeds: Resistance of lambs to Haemonchus contortus

    H. B. Vanimisetti;S. P. Greiner;A. M. Zajac;D. R. Notter

  • Evaluation of the Importance of Centrifugation as a Component of Zinc Sulfate Fecal Flotation Examinations

    Anne M Zajac;Jamil Johnson;Susan E King

  • Caenorhabditis elegans as a model to screen plant extracts and compounds as natural anthelmintics for veterinary use

    Luciana M. Katiki;Jorge F. S. Ferreira;Anne M. Zajac;Carol Masler

  • Anthelmintic effect of plant extracts containing condensed and hydrolyzable tannins on Caenorhabditis elegans, and their antioxidant capacity.

    Luciana M. Katiki;Jorge F.S. Ferreira;Javier M. Gonzalez;Anne M. Zajac

  • Biology, Epidemiology, and Control of Gastrointestinal Nematodes of Small Ruminants.

    Anne M. Zajac;Javier Garza

  • Efficacy of an orange oil emulsion as an anthelmintic against Haemonchus contortus in gerbils (Meriones unguiculatus) and in sheep.

    Jill M. Squires;Joyce G. Foster;David S. Lindsay;David L. Caudell

  • Emergence of zoonotic canine leishmaniasis in the United States: isolation and immunohistochemical detection of Leishmania infantum from foxhounds from Virginia.

    Alexa C. Rosypal;Gregory C. Troy;Anne M. Zajac;Robert B. Duncan

  • Microarray analysis reveals difference in gene expression profiles of hair and wool sheep infected with Haemonchus contortus.

    K.M. MacKinnon;J.L. Burton;A.M. Zajac;D.R. Notter

  • Effects of artemisinin and Artemisia extracts on Haemonchus contortus in gerbils (Meriones unguiculatus).

    Jill M. Squires;Jorge F.S. Ferreira;David S. Lindsay;Anne M. Zajac

  • Responses of hair and wool sheep to a single fixed dose of infective larvae of Haemonchus contortus

    D.R Notter;S.A Andrew;A.M Zajac

  • Experimental Haemonchus contortus infection in three breeds of sheep.

    A.M. Zajac;S. Krakowka;R.P. Herd;K.E. McClure

  • Canine visceral leishmaniasis and its emergence in the United States.

    Alexa C. Rosypal;Anne M. Zajac;David S. Lindsay

  • Neospora hughesi: experimental infections in mice, gerbils, and dogs.

    Catherine P Walsh;Robert B Duncan;Anne M Zajac;Byron L Blagburn

  • St. Croix sheep produce a rapid and greater cellular immune response contributing to reduced establishment of Haemonchus contortus.

    Scott A. Bowdridge;Anne M. Zajac;David R. Notter

  • Prevalence of Antibodies to Toxoplasma gondii in Raccoons (Procyon lotor) From an Urban Area of Northern Virginia

    Katie Hancock;Lori A. Thiele;Anne M. Zajac;Francois Elvinger

Frequent Co-Authors

David S. Lindsay
David S. Lindsay Virginia Tech
Jitender P. Dubey
Jitender P. Dubey Agricultural Research Service
David R. Notter
David R. Notter Virginia Tech
Solange Maria Gennari
Solange Maria Gennari Universidade de São Paulo
Jess D. Reed
Jess D. Reed University of Wisconsin–Madison
Ana Carolina de Souza Chagas
Ana Carolina de Souza Chagas Brazilian Agricultural Research Corporation
Byron L. Blagburn
Byron L. Blagburn Auburn University
Michael J. Yabsley
Michael J. Yabsley University of Georgia
Dwight D. Bowman
Dwight D. Bowman Cornell University

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Related Online Degrees & Career Pathways

For students interested in expanding their expertise beyond Animal Science and Veterinary studies, several related online degrees offer promising career pathways. Understanding behavioral health and counseling can complement animal care professions, especially in roles involving animal-assisted therapy or managing human-animal interactions.

Programs like online school psychology programs nasp approved provide a strong foundation in psychology, helping professionals address mental health challenges in educational settings. Similarly, pursuing psyd programs online apa accredited can prepare students for advanced clinical practice, merging animal and human behavioral health knowledge.

For those focused on addiction and recovery, obtaining an online addiction counseling degree opens doors to support individuals facing substance abuse, a critical area often linked with mental health and emotional wellbeing. Additionally, mft master's programs online equip students with skills to work in family dynamics and relationships, which can intersect with animal-assisted interventions.

Exploring these online degrees alongside Animal Science and Veterinary education can broaden career opportunities and enhance the impact one can have in both human and animal wellness.

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