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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 37 1537 1419 34 33 139 4649

S.T. Butler publications per year

The chart shows the history of publications by S.T. Butler between 1974 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. S.T. Butler published across 52 years, from 1974 to 2025, averaging 2.9 papers a year. Output peaked at 23 publications in 2016. 11 of the 151 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1974 to 2025. Vertical axis: number of publications, 0 to 23. Peak 23 publications in 2016. 1974: 1 publication 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: 0 publications 2002: 1 publication 2003: 3 publications 2004: 3 publications 2005: 0 publications 2006: 2 publications 2007: 3 publications 2008: 5 publications 2009: 4 publications 2010: 8 publications 2011: 3 publications 2012: 9 publications 2013: 3 publications 2014: 11 publications 2015: 1 publication 2016: 23 publications 2017: 13 publications 2018: 9 publications 2019: 10 publications 2020: 8 publications 2021: 6 publications 2022: 0 publications 2023: 14 publications 2024: 2 publications 2025: 9 publications
1974 2025

151 publications in total across all disciplines

View publications per year as a table
S.T. Butler: publications per year, 1974 to 2025
Year Publications
1974 1
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 0
2002 1
2003 3
2004 3
2005 0
2006 2
2007 3
2008 5
2009 4
2010 8
2011 3
2012 9
2013 3
2014 11
2015 1
2016 23
2017 13
2018 9
2019 10
2020 8
2021 6
2022 0
2023 14
2024 2
2025 9
Total 151
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S.T. Butler 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 S.T. Butler 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: 139 publications — 50th percentile

50% 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 92 139
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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S.T. Butler 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 S.T. Butler 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, 37 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: 37 D-Index — 54th percentile

54% 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 37
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

S.T. Butler is affiliated with Teagasc - The Irish Agriculture and Food Development Authority in Ireland. Their research primarily focuses on agricultural and biological sciences, with significant contributions to medicine as well. Butler's work spans several key subfields, including agronomy and crop science, genetics, public health, environmental and occupational health, animal science and zoology, and studies related to small animals.

The scientist's main topics of research include reproductive physiology in livestock, genetic and phenotypic traits in livestock, reproductive biology and fertility, rumen nutrition and digestive physiology, effects of environmental stressors on livestock, animal health and immunology, and circadian rhythm and melatonin.

Their frequent coauthors reflect collaboration within fields related to livestock and reproduction. Notable collaborators include P. Lonergan, S.G. Moore, A. D. Crowe, F. Randi, and R.C. Doyle.

Butler has published extensively in the following venues, evidencing a concentration in dairy science and reproductive biology:

  • Journal of Dairy Science
  • Reproduction Fertility and Development
  • Animal - science proceedings
  • animal
  • Theriogenology

Some recent representative publications demonstrate the scope of Butler's work and research themes:

  • Invited review: Use of assisted reproduction techniques to accelerate genetic gain and increase value of beef production in dairy herds, 2021, Journal of Dairy Science
  • Evaluation of delayed timing of artificial insemination with sex-sorted sperm on pregnancy per artificial insemination in seasonal-calving, pasture-based lactating dairy cows, 2020, Journal of Dairy Science
  • Fertility in seasonal-calving pasture-based lactating dairy cows following timed artificial insemination or timed embryo transfer with fresh or frozen in vitro-produced embryos, 2023, Journal of Dairy Science
  • Identification of the blue light intensity administered to one eye required to suppress bovine plasma melatonin and investigation into effects on milk production in grazing dairy cows, 2021, Journal of Dairy Science
  • Monitoring estrous activity in pasture-based dairy cows, 2020, Theriogenology

Best Publications

  • Low numbers of ovarian follicles ≥3 mm in diameter are associated with low fertility in dairy cows

    F. Mossa;S.W. Walsh;S.T. Butler;D.P. Berry

  • Energy balance, metabolic status, and the first postpartum ovarian follicle wave in cows administered propylene glycol.

    Stephen T. Butler;Susanne H. Pelton;W.R. Butler

  • Insulin increases 17β-estradiol production by the dominant follicle of the first postpartum follicle wave in dairy cows

    Stephen T. Butler;S.H. Pelton;W.R. Butler

  • Review: Applications and benefits of sexed semen in dairy and beef herds.

    Unknown

  • Relationship of pre-ovulatory follicle size, estradiol concentrations and season to pregnancy outcome in dairy cows

    A.S. Lopes;S.T. Butler;R.O. Gilbert;W.R. Butler

  • Presynchronization with Double-Ovsynch improves fertility at first postpartum artificial insemination in lactating dairy cows

    M.M. Herlihy;J.O. Giordano;A.H. Souza;H. Ayres

  • Mid-infrared spectrometry of milk as a predictor of energy intake and efficiency in lactating dairy cows

    Sinead McParland;Eva Lewis;Emer Kennedy;Stephen Moore

  • A 100-Year Review: A century of change in temperate grazing dairy systems.

    J.R. Roche;D.P. Berry;A.M. Bryant;C.R. Burke

  • Association of bovine leptin polymorphisms with energy output and energy storage traits in progeny tested Holstein-Friesian dairy cattle sires

    Linda Giblin;Stephen T Butler;Breda M Kearney;Breda M Kearney;Sinead M Waters

  • Genetic merit for fertility traits in Holstein cows: II. Ovarian follicular and corpus luteum dynamics, reproductive hormones, and estrus behavior

    Sean B Cummins;P. Lonergan;A.C.O. Evans;Stephen T. Butler

  • Endocrine and metabolic mechanisms linking postpartum glucose with early embryonic and foetal development in dairy cows.

    M. C. Lucy;S. T. Butler;H. A. Garverick

  • Effect of offering rumen-protected fat supplements on fertility and performance in spring-calving Holstein–Friesian cows

    S McNamara;T Butler;D.P Ryan;J.F Mee

  • Negative influence of high maternal milk production before and after conception on offspring survival and milk production in dairy cattle.

    D.P. Berry;P. Lonergan;S.T. Butler;A.R. Cromie

  • Genetic merit for fertility traits in Holstein cows: I. Production characteristics and reproductive efficiency in a pasture-based system

    S.B. Cummins;P. Lonergan;A.C.O. Evans;Donagh P. Berry

  • Short communication: insulin alters hepatic progesterone catabolic enzymes cytochrome P450 2C and 3A in dairy cows.

    C.O. Lemley;S.T. Butler;W.R. Butler;M.E. Wilson

  • The effect of dry period duration and dietary energy density on milk production, bioenergetic status, and postpartum ovarian function in Holstein-Friesian dairy cows.

    de Feu;A.C.O. Evans;P. Lonergan;Stephen T. Butler

  • Heritability and impact of environmental effects during pregnancy on antral follicle count in cattle.

    S.W. Walsh;F. Mossa;S.T. Butler;D.P. Berry

  • Applications and cost benefits of sexed semen in pasture-based dairy production systems

    S. T. Butler;I. A. Hutchinson;A. R. Cromie;L. Shalloo

  • Nutritional management to optimize fertility of dairy cows in pasture-based systems.

    S. T. Butler

  • Genetic merit for fertility traits in Holstein cows: IV. Transition period, uterine health, and resumption of cyclicity

    S.G. Moore;T. Fair;P. Lonergan;S.T. Butler

  • The integration of 'omic' disciplines and systems biology in cattle breeding

    Donagh Berry;Kieran G Meade;Michael P. Mullen;Stephen T. Butler

  • Effects of synchronization treatments on ovarian follicular dynamics, corpus luteum growth, and circulating steroid hormone concentrations in lactating dairy cows.

    Mary M. Herlihy;Mark A Crowe;Michael G. Diskin;Stephen T. Butler

  • The effect of strategic supplementation with trans-10,cis-12 conjugated linoleic acid on the milk production, estrous cycle characteristics, and reproductive performance of lactating dairy cattle.

    Ian A. Hutchinson;Alan A. Hennessy;Richard J. Dewhurst;A.C.O. Evans

  • Follicle-stimulating hormone isoforms and plasma concentrations of estradiol and inhibin A in dairy cows with ovulatory and non-ovulatory follicles during the first postpartum follicle wave.

    Stephen T. Butler;Susanne H. Pelton;Phillip G. Knight;W.R. Butler

  • Responses of North American and New Zealand strains of Holstein-Friesian dairy cattle to homeostatic challenges during early and mid-lactation.

    Joe Patton;Joe Patton;J.J. Murphy;Frank P. O'Mara;Stephen T. Butler

  • Influence of transition diets on the performance and metabolic profile of dairy cows both pre- and post-calving

    S. T. Butler;J. J. Murphy;G. K. Stakelum;F. P. O'mara

Frequent Co-Authors

Patrick Lonergan
Patrick Lonergan University College Dublin
Donagh P. Berry
Donagh P. Berry Teagasc - The Irish Agriculture and Food Development Authority
W.R. Butler
W.R. Butler Cornell University
Trudee Fair
Trudee Fair University College Dublin
James J. Ireland
James J. Ireland Michigan State University
J.J. Murphy
J.J. Murphy Teagasc - The Irish Agriculture and Food Development Authority
Frank P. O'Mara
Frank P. O'Mara Teagasc - The Irish Agriculture and Food Development Authority
Pat Dillon
Pat Dillon Teagasc - The Irish Agriculture and Food Development Authority
John F. Mee
John F. Mee Teagasc - The Irish Agriculture and Food Development Authority
John R. Roche
John R. Roche University of Auckland

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Related Online Degrees & Career Pathways

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For those who aim to expand their clinical expertise, online psyd programs accredited present a flexible option to advance in psychology without the GRE barrier, useful for designing comprehensive behavioral health programs involving animals.

Additionally, careers addressing behavioral health challenges can benefit from a substance abuse counselor degree online, supporting both human and animal welfare through rehabilitation and therapy focused work. This interdisciplinary approach enriches career pathways beyond traditional veterinary roles.

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