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D-Index & Metrics

Discipline name D-Index World Ranking National Ranking Publications Citations
Animal Science and Veterinary 44 874 269 126 7015

Sidney A. Ewing publications per year

The chart shows the history of publications by Sidney A. Ewing between 1966 and 2016, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Sidney A. Ewing published across 51 years, from 1966 to 2016, averaging 2.5 papers a year. Output peaked at 7 publications in 2005. 3 of the 125 publications appeared in the last two years.

No. of publications
2 4 6
Bar chart. Horizontal axis: year, 1966 to 2016. Vertical axis: number of publications, 0 to 7. Peak 7 publications in 2005. 1966: 2 publications 1967: 0 publications 1968: 1 publication 1969: 0 publications 1970: 0 publications 1971: 1 publication 1972: 1 publication 1973: 0 publications 1974: 0 publications 1975: 0 publications 1976: 0 publications 1977: 0 publications 1978: 0 publications 1979: 0 publications 1980: 2 publications 1981: 2 publications 1982: 5 publications 1983: 5 publications 1984: 3 publications 1985: 2 publications 1986: 4 publications 1987: 3 publications 1988: 2 publications 1989: 3 publications 1990: 6 publications 1991: 3 publications 1992: 3 publications 1993: 4 publications 1994: 1 publication 1995: 2 publications 1996: 4 publications 1997: 6 publications 1998: 5 publications 1999: 4 publications 2000: 6 publications 2001: 4 publications 2002: 4 publications 2003: 4 publications 2004: 2 publications 2005: 7 publications 2006: 1 publication 2007: 4 publications 2008: 3 publications 2009: 4 publications 2010: 4 publications 2011: 2 publications 2012: 1 publication 2013: 0 publications 2014: 2 publications 2015: 2 publications 2016: 1 publication
1966 2016

125 publications in total across all disciplines

View publications per year as a table
Sidney A. Ewing: publications per year, 1966 to 2016
Year Publications
1966 2
1967 0
1968 1
1969 0
1970 0
1971 1
1972 1
1973 0
1974 0
1975 0
1976 0
1977 0
1978 0
1979 0
1980 2
1981 2
1982 5
1983 5
1984 3
1985 2
1986 4
1987 3
1988 2
1989 3
1990 6
1991 3
1992 3
1993 4
1994 1
1995 2
1996 4
1997 6
1998 5
1999 4
2000 6
2001 4
2002 4
2003 4
2004 2
2005 7
2006 1
2007 4
2008 3
2009 4
2010 4
2011 2
2012 1
2013 0
2014 2
2015 2
2016 1
Total 125
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Sidney A. Ewing 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 Sidney A. Ewing 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, 124–128 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: 126 publications — 43rd percentile

43% 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 93 126
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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Sidney A. Ewing 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 Sidney A. Ewing 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, 44 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: 44 D-Index — 73rd percentile

73% 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
39 111
40 107
41 87
42 74
43 62
44 61 44
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

Sidney A. Ewing was affiliated with Oklahoma State University in the United States. Throughout their career, they contributed to academic research and teaching within their institution.

Although there are no records of recent papers, co-authors, publication venues, book publications, or specific fields and subfields of study associated with Sidney A. Ewing in the available data, it is documented that this scientist has concluded their work and is deceased.

The absence of detailed information regarding their research output and collaborations limits the ability to characterize specific areas of expertise or research focus.

There are also no listed awards or recognitions attributed to Sidney A. Ewing in the existing data set.

Due to the lack of detailed records of research topics, publications, and collaborations, a comprehensive profile of Sidney A. Ewing's academic contributions remains limited to their historical affiliation.

Best Publications

  • The natural history of Anaplasma marginale.

    Katherine M. Kocan;José de la Fuente;José de la Fuente;Edmour F. Blouin;Johann F. Coetzee

  • A molecular and serologic survey of Ehrlichia canis, E. chaffeensis, and E. ewingii in dogs and ticks from Oklahoma.

    G L Murphy;S A Ewing;L C Whitworth;J C Fox

  • Experimental transmission of Ehrlichia chaffeensis (Rickettsiales: Ehrlichieae) among white-tailed deer by Amblyomma americanum (Acari: Ixodidae)

    S. A. Ewing;J. E. Dawson;A. A. Kocan;R. W. Barker

  • Canine hepatozoonosis: two disease syndromes caused by separate Hepatozoon spp.

    Gad Baneth;John S Mathew;Varda Shkap;Douglass K Macintire

  • Development of Anaplasma marginale in male Dermacentor andersoni transferred from parasitemic to susceptible cattle.

    K M Kocan;D Stiller;W L Goff;P L Claypool

  • Diagnosis of Hepatozoon spp. in Amblyomma ovale and its experimental transmission in domestic dogs in Brazil.

    M. Forlano;A. Scofield;C. Elisei;K.R. Fernandes

  • Western immunoblot analysis of Ehrlichia chaffeensis, E. canis, or E. ewingii infections in dogs and humans.

    Y Rikihisa;S A Ewing;J C Fox

  • Serologic diagnosis of human ehrlichiosis using two Ehrlichia canis isolates.

    Jacqueline E. Dawson;Yasuko Rikihisa;S. A. Ewing;Daniel B. Fishbein

  • American Canine Hepatozoonosis

    S. A. Ewing;R. J. Panciera

  • Naturally occurring Ehrlichia chaffeensis infection in coyotes from Oklahoma.

    A. A. Kocan;G. C. Levesque;L. C. Whitworth;G. L. Murphy

  • Persistence of Anaplasma marginale (Rickettsiales: Anaplasmataceae) in Male Dermacentor andersoni (Acari: Ixodidae) Transferred Successively from Infected to Susceptible Calves

    Katherine M. Kocan;W. L. Goff;David Stiller;P. L. Claypool

  • Transstadial and intrastadial experimental transmission of Ehrlichia canis by male Rhipicephalus sanguineus.

    William G. Bremer;John J. Schaefer;Elizabeth R. Wagner;S.A. Ewing

  • PHYLOGENETIC RELATIONSHIPS OF HEPATOZOON (APICOMPLEXA: ADELEORINA) BASED ON MOLECULAR, MORPHOLOGIC, AND LIFE-CYCLE CHARACTERS

    J. S. Mathew;R. A. Van Den Bussche;S. A. Ewing;J. R. Malayer

  • Experimental transmission of Hepatozoon americanum Vincent-Johnson et al., 1997 to dogs by the Gulf Coast tick, Amblyomma maculatum Koch

    J.S Mathew;S.A Ewing;R.J Panciera;J.P Woods

  • Experimental transmission of Ehrlichia canis (Rickettsiales: Ehrlichieae) by Dermacentor variabilis (Acari: Ixodidae)

    E.M Johnson;S.A Ewing;R.W Barker;J.C Fox

  • A new strain of Ehrlichia canis.

    Ewing Sa;Roberson Wr;Buckner Rg;Hayat Cs

  • Ehrlichia-like 16S rDNA sequence from wild white-tailed deer (Odocoileus virginianus).

    J. E. Dawson;C. K. Warner;V. Baker;S. A. Ewing

  • Alternate pathway of infection with Hepatozoon americanum and the epidemiologic importance of predation.

    E.M. Johnson;R.J. Panciera;K.E. Allen;M.E. Sheets

  • Efficacy of a Doxycycline Treatment Regimen Initiated during Three Different Phases of Experimental Ehrlichiosis

    Jennifer C. McClure;Michelle L. Crothers;John J. Schaefer;Patrick D. Stanley

  • Infectivity of three Anaplasma marginale isolates for Dermacentor andersoni.

    Wickwire Kb;Kocan Km;Barron Sj;Ewing Sa

  • Novel Hepatozoon in Vertebrates From the Southern United States

    Kelly E. Allen;Michael J. Yabsley;Eileen M. Johnson;Mason V. Reichard

  • Ichthyophthirius multifiliis (Ciliophora) Invasion of Gill Epithelium1

    Margaret S. Ewing;Katherine M. Kocan;S. A. Ewing

  • Detection of Ehrlichia canis in Canine Carrier Blood and in Individual Experimentally Infected Ticks with a p30-Based PCR Assay

    Roger W. Stich;Yasuko Rikihisa;S. A. Ewing;Glen R. Needham

  • New developments in canine hepatozoonosis in North America: a review

    Susan E Little;Kelly E Allen;Eileen M Johnson;Roger J Panciera

  • Transmission of Hepatozoon americanum (Apicomplexa: Adeleorina) by ixodids (Acari: Ixodidae).

    S. A. Ewing;J. S. Mathew;R. J. Panciera

  • Naturally occurring and experimentally transmitted Hepatozoon americanum in coyotes from Oklahoma.

    A. Alan Kocan;Connie A. Cummings;Roger J. Panciera;J. S. Mathew

  • Transmission of Anaplasma marginale Theiler by Dermacentor andersoni Stiles and Dermacentor variabilis (Say).

    Kocan Km;Hair Ja;Ewing Sa;Stratton Lg

  • Canine hepatozoonosis: comparison of lesions and parasites in skeletal muscle of dogs experimentally or naturally infected with Hepatozoon americanum

    R. J. Panciera;S. A. Ewing;J. S. Mathew;Terry W Lehenbauer

  • Characterization of a new isolate of Ehrlichia platys (Order Rickettsiales) using electron microscopy and polymerase chain reaction.

    J.S. Mathew;S.A. Ewing;G.L. Murphy;K.M. Kocan

  • Occurrence of the Gulf Coast Tick (Acari: Ixodidae) on Wild and Domestic Mammals in North-Central Oklahoma

    R. W. Barker;A. Alan Kocan;S. A. Ewing;R. P. Wettemann

  • Observations on tissue stages of Hepatozoon americanum in 19 naturally infected dogs.

    R.J Panciera;S.A Ewing;J.S Mathew;C.A Cummings

  • Skeletal lesions of canine hepatozoonosis caused by Hepatozoon americanum.

    R. J. Panciera;J. S. Mathew;S. A. Ewing;C. A. Cummings

  • Naturally occurring hepatozoonosis in coyotes from Oklahoma.

    A. Alan Kocan;Melanie Breshears;Connie Cummings;Roger J. Panciera

  • Ultrastructure of ANaplasma marginale Theiler in Dermacentor andersoni Stiles and Dermacentor variabilis (Say)

    K M Kocan;J A Hair;S A Ewing

  • WHITE-TAILED DEER (ODOCOILEUS VIRGINIANUS)

    Jacqueline E. Dawson;Cynthia K. Warner;Vanesa Baker;S. A. Ewing

Frequent Co-Authors

Katherine M. Kocan
Katherine M. Kocan Oklahoma State University
Roger J. Panciera
Roger J. Panciera Oklahoma State University
Jakie A. Hair
Jakie A. Hair Oklahoma State University
Susan E. Little
Susan E. Little Oklahoma State University
Yasuko Rikihisa
Yasuko Rikihisa The Ohio State University
Edmour F. Blouin
Edmour F. Blouin Oklahoma State University
Mason V. Reichard
Mason V. Reichard Oklahoma State University
James G. Olson
James G. Olson Naval Medical Research Center
Sam R. Telford
Sam R. Telford Tufts University
José de la Fuente
José de la Fuente University of Castilla-La Mancha

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