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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 24 3037 2743 867 700 41 1799

D.R. Wolfgang publications per year

The chart shows the history of publications by D.R. Wolfgang between 2000 and 2022, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. D.R. Wolfgang published across 23 years, from 2000 to 2022, averaging 2.1 papers a year. Output peaked at 5 publications in 2011. 1 of the 48 publications appeared in the last two years.

No. of publications
1 2 3 4 5
Bar chart. Horizontal axis: year, 2000 to 2022. Vertical axis: number of publications, 0 to 5. Peak 5 publications in 2011. 2000: 2 publications 2001: 1 publication 2002: 1 publication 2003: 1 publication 2004: 2 publications 2005: 1 publication 2006: 2 publications 2007: 1 publication 2008: 3 publications 2009: 3 publications 2010: 2 publications 2011: 5 publications 2012: 5 publications 2013: 2 publications 2014: 2 publications 2015: 2 publications 2016: 1 publication 2017: 2 publications 2018: 4 publications 2019: 3 publications 2020: 2 publications 2021: 0 publications 2022: 1 publication
2000 2022

48 publications in total across all disciplines

View publications per year as a table
D.R. Wolfgang: publications per year, 2000 to 2022
Year Publications
2000 2
2001 1
2002 1
2003 1
2004 2
2005 1
2006 2
2007 1
2008 3
2009 3
2010 2
2011 5
2012 5
2013 2
2014 2
2015 2
2016 1
2017 2
2018 4
2019 3
2020 2
2021 0
2022 1
Total 48
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D.R. Wolfgang 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 D.R. Wolfgang 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, 39–43 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: 41 publications — 1st percentile

1% 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 41
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
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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D.R. Wolfgang 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 D.R. Wolfgang 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, 24 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: 24 D-Index — 5th percentile

5% 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 24
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
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

D.R. Wolfgang is affiliated with Pennsylvania State University in the United States. Their research primarily centers on the fields of Agricultural and Biological Sciences and Veterinary studies. Within these broad areas, Wolfgang's subfields of concentration include Food Science and Small Animals.

The scientist's main topics of work encompass:

  • Brucella: diagnosis, epidemiology, treatment
  • Salmonella and Campylobacter epidemiology
  • Animal Diversity and Health Studies

Wolfgang has contributed to academic literature with publications appearing in key venues, notably in the MMWR Morbidity and Mortality Weekly Report. One of their recent papers is titled Notes from the Field: Brucella abortus RB51 Infections Associated with Consumption of Raw Milk from Pennsylvania - 2017 and 2018, published in 2020 in the MMWR Morbidity and Mortality Weekly Report. This work has received citations indicating its integration into ongoing scientific discourse.

Frequent collaborators in Wolfgang's research include:

  • Joann F. Gruber
  • Alexandra Newman
  • Christina Egan
  • Colin Campbell
  • Kristin Garafalo

Wolfgang's research contributions offer insights primarily into infectious disease epidemiology related to zoonotic pathogens, with a notable emphasis on the impact of bacterial infections transmitted through animal products. The combination of veterinary and agricultural biology expertise provides a multidisciplinary approach toward understanding and managing health threats within both animal and human populations.

Best Publications

  • Guidelines for monitoring bulk tank milk somatic cell and bacterial counts

    B.M. Jayarao;S.R. Pillai;A.A. Sawant;D.R. Wolfgang

  • Bulk-tank milk analysis. A useful tool for improving milk quality and herd udder health.

    Bhushan M Jayarao;David R Wolfgang

  • Effect of Johne's disease status on reproduction and culling in dairy cattle

    R.L. Smith;R.L. Strawderman;Y.H. Schukken;S.J. Wells

  • Characteristics of veal calves upon arrival, at 28 and 84 days, and at end of the production cycle

    L.L. Wilson;J.L. Smith;D.L. Smith;D.L. Swanson

  • Dynamics of endemic infectious diseases of animal and human importance on three dairy herds in the northeastern United States

    A.K. Pradhan;J.S. Van Kessel;J.S. Karns;D.R. Wolfgang

  • A longitudinal study on the impact of Johne's disease status on milk production in individual cows

    R.L. Smith;Y.T. Grohn;A.K. Pradhan;R.H. Whitlock

  • Prevalence of Clostridium difficile toxin genes in the feces of veal calves and incidence of ground veal contamination.

    Beth A. Houser;Marty K. Soehnlen;David R. Wolfgang;Hannah R. Lysczek

  • Environmental contamination with Mycobacterium avium subsp. paratuberculosis in endemically infected dairy herds.

    R.L. Smith;Y.H. Schukken;A.K. Pradhan;A.K. Pradhan;J.M. Smith

  • A Computerized Mastitis Decision Aid Using Farm-Based Records: An Artificial Neural Network Approach

    C.W. Heald;T. Kim;W.M. Sischo;J.B. Cooper

  • Evaluation of IS900-PCR assay for detection of Mycobacterium avium subspecies Paratuberculosis infection in cattle using quarter milk and bulk tank milk samples.

    B.M. Jayarao;S.R. Pillai;D.R. Wolfgang;D.R. Griswold

  • Longitudinal Study of a Clonal, Subclinical Outbreak of Salmonella enterica subsp. enterica Serovar Cerro in a U.S. Dairy Herd

    J.S. Van Kessel;J.S. Karns;D.R. Wolfgang;E. Hovingh

  • A mathematical model of the dynamics of Salmonella Cerro infection in a US dairy herd

    Prem P. Chapagain;J. S. Van kessel;J. S. Karns;D. R. Wolfgang

  • Environmental sampling to predict fecal prevalence of Salmonella in an intensively monitored dairy herd.

    J. S. Van Kessel;J. S. Karns;D. R. Wolfgang;E. Hovingh

  • Blinded, controlled field trial of two commercially available Mycoplasma bovis bacterin vaccines in veal calves.

    Marty K. Soehnlen;Adnan Aydin;Eugene J. Lengerich;Beth A. Houser

  • Age-Associated Distribution of Antimicrobial-Resistant Salmonella enterica and Escherichia coli Isolated from Dairy Herds in Pennsylvania, 2013–2015

    Huilin Cao;Huilin Cao;Abani K. Pradhan;Jeffrey S. Karns;Ernest Peter Hovingh

  • In vitro antimicrobial inhibition of Mycoplasma bovis isolates submitted to the Pennsylvania Animal Diagnostic Laboratory using flow cytometry and a broth microdilution method

    Marty K. Soehnlen;M. Elaine Kunze;K. Eranda Karunathilake;Brittnee M. Henwood

  • Correlation between Herrold egg yolk medium culture and real-time quantitative polymerase chain reaction results for Mycobacterium avium subspecies paratuberculosis in pooled fecal and environmental samples.

    Sharif S. Aly;Beverly L. Mangold;Robert H. Whitlock;Raymond W. Sweeney

  • The effects of progressing and nonprogressing Mycobacterium avium ssp. paratuberculosis infection on milk production in dairy cows.

    Rebecca L. Smith;Y.T. Gröhn;A.K. Pradhan;R.H. Whitlock

  • Mycobacterium avium subsp. paratuberculosis Antibody Response, Fecal Shedding, and Antibody Cross-Reactivity to Mycobacterium bovis in M. avium subsp. paratuberculosis-Infected Cattle Herds Vaccinated against Johne's Disease

    Deepanker Tewari;Ernest Hovingh;Rick Linscott;Edmond Martel

  • Epidemiology of Mycoplasma bovis in Pennsylvania veal calves

    M.K. Soehnlen;A. Aydin;K.S. Murthy;E.J. Lengerich

  • Dynamics of Salmonella Serotype Shifts in an Endemically Infected Dairy Herd

    Jo Ann S. Van Kessel;Jeffrey S. Karns;David R. Wolfgang;Ernest Hovingh

Frequent Co-Authors

Ynte H. Schukken
Ynte H. Schukken Wageningen University & Research
Yrjö T. Gröhn
Yrjö T. Gröhn Cornell University
J.S. Van Kessel
J.S. Van Kessel Agricultural Research Service
Robert H. Whitlock
Robert H. Whitlock University of Pennsylvania
Ian A. Gardner
Ian A. Gardner University of Prince Edward Island
Sagar M. Goyal
Sagar M. Goyal University of Minnesota
Scott J. Wells
Scott J. Wells University of Minnesota
A.J. Heinrichs
A.J. Heinrichs Pennsylvania State University
William M. Sischo
William M. Sischo Washington State University
Jason E. Lombard
Jason E. Lombard Animal and Plant Health Inspection Service

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