World's Best Scientists 2026 revealed!

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Animal Science and Veterinary 57 407 374 46 41 184 11893

Michael K. Theodorou publications per year

The chart shows the history of publications by Michael K. Theodorou between 1979 and 2024, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Michael K. Theodorou published across 46 years, from 1979 to 2024, averaging 4.6 papers a year. Output peaked at 18 publications in 1998. 3 of the 212 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1979 to 2024. Vertical axis: number of publications, 0 to 18. Peak 18 publications in 1998. 1979: 2 publications 1980: 1 publication 1981: 1 publication 1982: 1 publication 1983: 1 publication 1984: 1 publication 1985: 2 publications 1986: 2 publications 1987: 5 publications 1988: 6 publications 1989: 2 publications 1990: 3 publications 1991: 1 publication 1992: 0 publications 1993: 7 publications 1994: 8 publications 1995: 9 publications 1996: 16 publications 1997: 3 publications 1998: 18 publications 1999: 16 publications 2000: 8 publications 2001: 9 publications 2002: 9 publications 2003: 4 publications 2004: 3 publications 2005: 8 publications 2006: 5 publications 2007: 6 publications 2008: 6 publications 2009: 6 publications 2010: 2 publications 2011: 0 publications 2012: 2 publications 2013: 0 publications 2014: 1 publication 2015: 0 publications 2016: 4 publications 2017: 7 publications 2018: 4 publications 2019: 2 publications 2020: 8 publications 2021: 10 publications 2022: 0 publications 2023: 1 publication 2024: 2 publications
1979 2024

212 publications in total across all disciplines

View publications per year as a table
Michael K. Theodorou: publications per year, 1979 to 2024
Year Publications
1979 2
1980 1
1981 1
1982 1
1983 1
1984 1
1985 2
1986 2
1987 5
1988 6
1989 2
1990 3
1991 1
1992 0
1993 7
1994 8
1995 9
1996 16
1997 3
1998 18
1999 16
2000 8
2001 9
2002 9
2003 4
2004 3
2005 8
2006 5
2007 6
2008 6
2009 6
2010 2
2011 0
2012 2
2013 0
2014 1
2015 0
2016 4
2017 7
2018 4
2019 2
2020 8
2021 10
2022 0
2023 1
2024 2
Total 212
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Michael K. Theodorou 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 Michael K. Theodorou 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, 184–188 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: 184 publications — 70th percentile

70% 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
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 55 184
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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Michael K. Theodorou 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 Michael K. Theodorou 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, 57 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: 57 D-Index — 87th percentile

87% 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
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 57
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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Best Publications

  • A simple gas production method using a pressure transducer to determine the fermentation kinetics of ruminant feeds.

    Michael K. Theodorou;Barbara A. Williams;Mewa S. Dhanoa;Alex B. McAllan

  • A semi-automated in vitro gas production technique for ruminant feedstuff evaluation

    Rogerio M Mauricio;Fergus L Mould;Mewa S Dhanoa;Emyr Owen

  • Increased concentration of water-soluble carbohydrate in perennial ryegrass (Lolium perenne L.) : milk production from late lactation dairy cows

    L. A. Miller;Jon M. Moorby;David R. Davies;Mervyn O. Humphreys

  • Early-branching gut fungi possess a large, comprehensive array of biomass-degrading enzymes

    Kevin V. Solomon;Charles H. Haitjema;John K. Henske;Sean P. Gilmore

  • Growth of anaerobic rumen fungi on defined and semi-defined media lacking rumen fluid

    Susan E. Lowe;Michael K. Theodorou;Anthony P. J. Trinci;Robert B. Hespell

  • Anaerobic fungi in herbivorous animals

    Anthony P.J. Trinci;David R. Davies;Keith Gull;Michelle I. Lawrence

  • Increased concentration of water-soluble carbohydrate in perennial ryegrass (Lolium perenne L.). Evaluation in dairy cows in early lactation

    Jon M. Moorby;Roger T. Evans;Nigel D. Scollan;John C. MacRae

  • An automated system for measuring gas production from forages inoculated with rumen fluid and its use in determining the effect of enzymes on grass silage

    Z.S Davies;D Mason;A.E Brooks;G.W Griffith

  • Effects of high-sugar ryegrass silage and mixtures with red clover silage on ruminant digestion. 1. In vitro and in vivo studies of nitrogen utilization.

    Roger J. Merry;Michael R. F. Lee;David R. Davies;Richard J. Dewhurst

  • Anaerobic gut fungi: Advances in isolation, culture, and cellulolytic enzyme discovery for biofuel production.

    Charles H. Haitjema;Kevin V. Solomon;John K. Henske;Michael K. Theodorou;Michael K. Theodorou

  • Dynamics of initial colonization of nonconserved perennial ryegrass by anaerobic fungi in the bovine rumen

    Joan Elizabeth Edwards;Alison H Kingston-Smith;Hugo R Jimenez;Sharon A Huws

  • Distribution of anaerobic fungi in the digestive tract of cattle and their survival in faeces.

    David R. Davies;Michael K. Theodorou;Michelle I. G. Lawrence;Anthony P. J. Trinci

  • Comparison of bovine rumen liquor and bovine faeces as inoculum for an in vitro gas production technique for evaluating forages.

    Rogerio M. Mauricio;Emyr Owen;Fergus L. Mould;D Ian Givens

  • Effect of increasing availability of water-soluble carbohydrates on in vitro rumen fermentation

    Michael R. F. Lee;Roger J. Merry;David R. Davies;Jon M. Moorby

  • Rumen metabolism and nitrogen flow to the small intestine in steers offered Lolium perenne containing different levels of water-soluble carbohydrate

    Michael R. F. Lee;Lynfa J. Harris;Jon M. Moorby;Mervyn O. Humphreys

  • Diversity and activity of enriched ruminal cultures of anaerobic fungi and methanogens grown together on lignocellulose in consecutive batch culture.

    Yan Fen Cheng;Joan E. Edwards;Gordon G. Allison;Wei-Yun Zhu

  • Production responses from lambs grazed on Lolium perenne selected for an elevated water-soluble carbohydrate concentration

    Michael R. F. Lee;Evan L. Jones;Jonathan M. Moorby;Mervyn O. Humphreys

  • Diversity of anaerobic fungal populations in cattle revealed by selective enrichment culture using different carbon sources

    Gareth Wyn Griffith;Emin Ozkose;Michael Kyriacos Theodorou;David R. Davies

  • Growth and fermentation of an anaerobic rumen fungus on various carbon sources and effect of temperature on development.

    S. E. Lowe;M. K. Theodorou;A. P. J. Trinci

  • Evulation of an in vitro batch culture technique for estimating the in vivo digestibility and digestible energy content of equine feeds using equine faeces as the source of microbial inoculum

    R.S Lowman;R.S Lowman;M.K Theodorou;J.J Hyslop;M.S Dhanoa

Frequent Co-Authors

Alison H. Kingston-Smith
Alison H. Kingston-Smith Aberystwyth University
Igor V. Grigoriev
Igor V. Grigoriev Lawrence Berkeley National Laboratory
Samuel O. Purvine
Samuel O. Purvine Environmental Molecular Sciences Laboratory
Roger J. Merry
Roger J. Merry Aberystwyth University
Kevin D. Hyde
Kevin D. Hyde Mae Fah Luang University
Kerrie Barry
Kerrie Barry United States Department of Energy
Bernhard O. Palsson
Bernhard O. Palsson University of California, San Diego
David L. Valentine
David L. Valentine University of California, Santa Barbara
Aviv Regev
Aviv Regev Genentech
Anna Lipzen
Anna Lipzen United States Department of Energy

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Related Online Degrees & Career Pathways

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Additionally, those passionate about behavioral analysis might consider pursuing accreditation through bcba accredited programs. These programs offer certification in behavior analysis, which is useful for working with both humans and animals in therapeutic and training settings.

Best Scientists Citing Michael K. Theodorou