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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 38 1447 1336 425 362 142 4301

Roy D. Berghaus publications per year

The chart shows the history of publications by Roy D. Berghaus between 1968 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Roy D. Berghaus published across 58 years, from 1968 to 2025, averaging 2.7 papers a year. Output peaked at 13 publications in 2012. 11 of the 159 publications appeared in the last two years.

No. of publications
5 10
Bar chart. Horizontal axis: year, 1968 to 2025. Vertical axis: number of publications, 0 to 13. Peak 13 publications in 2012. 1968: 1 publication 1969: 0 publications 1970: 0 publications 1971: 0 publications 1972: 0 publications 1973: 0 publications 1974: 0 publications 1975: 0 publications 1976: 0 publications 1977: 0 publications 1978: 0 publications 1979: 0 publications 1980: 0 publications 1981: 0 publications 1982: 0 publications 1983: 0 publications 1984: 0 publications 1985: 0 publications 1986: 0 publications 1987: 0 publications 1988: 0 publications 1989: 0 publications 1990: 0 publications 1991: 0 publications 1992: 0 publications 1993: 0 publications 1994: 0 publications 1995: 0 publications 1996: 0 publications 1997: 0 publications 1998: 0 publications 1999: 0 publications 2000: 0 publications 2001: 1 publication 2002: 1 publication 2003: 3 publications 2004: 2 publications 2005: 3 publications 2006: 6 publications 2007: 4 publications 2008: 2 publications 2009: 5 publications 2010: 9 publications 2011: 7 publications 2012: 13 publications 2013: 7 publications 2014: 10 publications 2015: 6 publications 2016: 3 publications 2017: 9 publications 2018: 7 publications 2019: 11 publications 2020: 11 publications 2021: 8 publications 2022: 9 publications 2023: 10 publications 2024: 5 publications 2025: 6 publications
1968 2025

159 publications in total across all disciplines

View publications per year as a table
Roy D. Berghaus: publications per year, 1968 to 2025
Year Publications
1968 1
1969 0
1970 0
1971 0
1972 0
1973 0
1974 0
1975 0
1976 0
1977 0
1978 0
1979 0
1980 0
1981 0
1982 0
1983 0
1984 0
1985 0
1986 0
1987 0
1988 0
1989 0
1990 0
1991 0
1992 0
1993 0
1994 0
1995 0
1996 0
1997 0
1998 0
1999 0
2000 0
2001 1
2002 1
2003 3
2004 2
2005 3
2006 6
2007 4
2008 2
2009 5
2010 9
2011 7
2012 13
2013 7
2014 10
2015 6
2016 3
2017 9
2018 7
2019 11
2020 11
2021 8
2022 9
2023 10
2024 5
2025 6
Total 159
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Roy D. Berghaus 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 Roy D. Berghaus 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, 139–143 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: 142 publications — 52nd percentile

52% 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
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 92 142
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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Roy D. Berghaus 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 Roy D. Berghaus 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, 38 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: 38 D-Index — 57th percentile

57% 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
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 38
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

Roy D. Berghaus is affiliated with the University of Georgia in the United States. Their research spans primarily the fields of Medicine and Agricultural and Biological Sciences, with a strong focus on Animal Science and Zoology, Infectious Diseases, Food Science, Epidemiology, and Public Health, Environmental and Occupational Health.

The main topics covered in their work include Animal Nutrition and Physiology, Salmonella and Campylobacter epidemiology, Viral gastroenteritis research and epidemiology, Viral Infections and Vectors, Reproductive Physiology in Livestock, Mosquito-borne diseases and control, and Microbial infections and disease research.

Frequent publication venues for their research are:

  • The Journal of Applied Poultry Research
  • Journal of Veterinary Internal Medicine
  • Avian Diseases
  • The Bovine Practitioner
  • Poultry Science

Notable recent papers authored or co-authored by Roy D. Berghaus include:

  • Salmonella Enteritidis reduction in layer ceca with a Bacillus probiotic (2020, Veterinary World)
  • Epidemiology and Molecular Basis of Multidrug Resistance in Rhodococcus equi (2021, Microbiology and Molecular Biology Reviews)
  • Tick Species Composition, Collection Rates, and Phenology Provide Insights into Tick-Borne Disease Ecology in Virginia (2022, Journal of Medical Entomology)
  • The Effect of Different Species of Eimeria with Clostridium perfringens on Performance Parameters and Induction of Clinical Necrotic Enteritis in Broiler Chickens (2020, Avian Diseases)
  • Evidence for anti-inflammatory effects of firocoxib administered to mares with experimentally induced placentitis (2021, American Journal of Reproductive Immunology)

Roy D. Berghaus has collaborated frequently with several co-authors, including:

  • Charles L. Hofacre
  • Steeve Giguère
  • J.A. Baxter
  • Mark G. Ruder
  • Nicole M. Nemeth

Best Publications

  • Enumeration of Salmonella and Campylobacter spp. in Environmental Farm Samples and Processing Plant Carcass Rinses from Commercial Broiler Chicken Flocks

    Roy D. Berghaus;Stephan G. Thayer;Bibiana F. Law;Rita M. Mild

  • Prevalence and Distribution of Salmonella in Organic and Conventional Broiler Poultry Farms

    Walid Q. Alali;Siddhartha Thakur;Roy D. Berghaus;Michael P. Martin

  • An experimental model of allergic asthma in cats sensitized to house dust mite or bermuda grass allergen.

    Carol R. Norris Reinero;Kendra C. Decile;Roy D. Berghaus;Kurt J. Williams

  • Influenza-A viruses in ducks in northwestern Minnesota: fine scale spatial and temporal variation in prevalence and subtype diversity.

    Benjamin R. Wilcox;Gregory A. Knutsen;James Berdeen;Virginia Goekjian

  • The effect of injectable butaphosphan and cyanocobalamin on postpartum serum β-hydroxybutyrate, calcium, and phosphorus concentrations in dairy cattle

    E. Rollin;R. D. Berghaus;P. Rapnicki;Sandra M Godden

  • Infectious and lethal doses of H5N1 highly pathogenic Avian influenza virus for house sparrows (Passer domesticus) and rock pigeons (Columbia livia)

    Justin D. Brown;David E. Stallknecht;Roy D. Berghaus;David E. Swayne

  • Evaluation of a Commercial Blocking Enzyme-Linked Immunosorbent Assay To Detect Avian Influenza Virus Antibodies in Multiple Experimentally Infected Avian Species

    Justin D. Brown;David E. Stallknecht;Roy D. Berghaus;M. Page Luttrell

  • Clinical characterization of a familial degenerative myelopathy in Pembroke Welsh Corgi dogs.

    Joan R. Coates;Joan R. Coates;Philip A. March;Philip A. March;Michael Oglesbee;Craig G. Ruaux

  • PREVALENCE OF ANTIBODIES TO TYPE A INFLUENZA VIRUS IN WILD AVIAN SPECIES USING TWO SEROLOGIC ASSAYS

    Justin D. Brown;M. Page Luttrell;Roy D. Berghaus;Whitney Kistler

  • Effect of vaccinating breeder chickens with a killed Salmonella vaccine on Salmonella prevalences and loads in breeder and broiler chicken flocks.

    R. D. Berghaus;S. G. Thayer;J. J. Maurer;C. L. Hofacre

  • Environmental Sampling for Detection of Mycobacterium avium ssp. paratuberculosis on Large California Dairies

    R. D. Berghaus;Thomas B Farver;R. J. Anderson;C. C. Jaravata

  • Formalin-inactivated bovine RSV vaccine enhances a Th2 mediated immune response in infected cattle.

    Warren V. Kalina;Amelia R. Woolums;Roy D. Berghaus;Laurel J. Gershwin

  • Rapid screening of Salmonella enterica serovars Enteritidis, Hadar, Heidelberg and Typhimurium using a serologically-correlative allelotyping PCR targeting the O and H antigen alleles.

    Yang Hong;Tongrui Liu;Tongrui Liu;Margie D Lee;Charles L Hofacre

  • Small animal deworming protocols, client education, and veterinarian perception of zoonotic parasites in western Canada.

    Jason W. Stull;Anthony P. Carr;Bruno B. Chomel;Roy D. Berghaus

  • Effects of drug treatment on inflammation and hyperreactivity of airways and on immune variables in cats with experimentally induced asthma.

    Carol R. Reinero;Kendra C. Decile;Jenni R. Byerly;Roy D. Berghaus

  • The phenology of ticks and the effects of long-term prescribed burning on tick population dynamics in southwestern Georgia and northwestern Florida

    Elizabeth R. Gleim;L. Mike Conner;Roy D. Berghaus;Michael L. Levin

  • Rush immunotherapy in an experimental model of feline allergic asthma

    Carol R. Reinero;Jenni R. Byerly;Roy D. Berghaus;Londa J. Berghaus

  • Canine infectious respiratory disease: New insights into the etiology and epidemiology of associated pathogens

    Grazieli Maboni;Mauricio Seguel;Ana Lorton;Roy Berghaus

  • Factor analysis of a Johne's disease risk assessment questionnaire with evaluation of factor scores and a subset of original questions as predictors of observed clinical paratuberculosis

    Roy D. Berghaus;Jason E. Lombard;Ian A. Gardner;Thomas B. Farver

  • Serum free cortisol fraction in healthy and septic neonatal foals.

    K.A. Hart;M.H. Barton;D.C. Ferguson;R. Berghaus

  • Agreement Among 4 Sampling Methods to Identify Respiratory Pathogens in Dairy Calves with Acute Bovine Respiratory Disease

    D. Doyle;B. Credille;T.W. Lehenbauer;R. Berghaus

  • Genetic variability of Cytauxzoon felis from 88 infected domestic cats in Arkansas and Georgia.

    Holly M. Brown;Roy D. Berghaus;Kenneth S. Latimer;James O. Britt

  • Principles of Disease Prevention, Diagnosis, and Control

    Stephen R. Collett;John A. Smith;Martine Boulianne;Robert L. Owen

  • Prevalence of multi drug antimicrobial resistance in isolated from high-risk stocker cattle at arrival and two weeks after processing.

    E. Snyder;B. Credille;R. Berghaus;S. Giguère

  • Survey of Biosecurity Protocols and Practices Adopted by Growers on Commercial Poultry Farms in Georgia, U. S. A.

    F. C. Dorea;R. Berghaus;C. Hofacre;D. J. Cole

Frequent Co-Authors

Charles L. Hofacre
Charles L. Hofacre University of Georgia
John J. Maurer
John J. Maurer Virginia Tech
Michael J. Yabsley
Michael J. Yabsley University of Georgia
David R. Smith
David R. Smith Mississippi State University
David G. White
David G. White United States Food and Drug Administration
David E. Swayne
David E. Swayne United States Department of Agriculture
M.W. Overton
M.W. Overton University of Georgia
Ian A. Gardner
Ian A. Gardner University of Prince Edward Island
Sharif S Aly
Sharif S Aly University of California, Davis
Randall S. Singer
Randall S. Singer University of Minnesota

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