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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 33 2074 1892 40 39 116 2895

Bernadette O'Brien publications per year

The chart shows the history of publications by Bernadette O'Brien between 1996 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Bernadette O'Brien published across 30 years, from 1996 to 2025, averaging 4.5 papers a year. Output peaked at 11 publications in 2019. 9 of the 135 publications appeared in the last two years.

No. of publications
2 4 6 8 10
Bar chart. Horizontal axis: year, 1996 to 2025. Vertical axis: number of publications, 0 to 11. Peak 11 publications in 2019. 1996: 1 publication 1997: 3 publications 1998: 2 publications 1999: 7 publications 2000: 3 publications 2001: 2 publications 2002: 5 publications 2003: 1 publication 2004: 4 publications 2005: 3 publications 2006: 5 publications 2007: 6 publications 2008: 3 publications 2009: 5 publications 2010: 8 publications 2011: 2 publications 2012: 8 publications 2013: 8 publications 2014: 2 publications 2015: 2 publications 2016: 5 publications 2017: 4 publications 2018: 5 publications 2019: 11 publications 2020: 3 publications 2021: 4 publications 2022: 8 publications 2023: 6 publications 2024: 5 publications 2025: 4 publications
1996 2025

135 publications in total across all disciplines

View publications per year as a table
Bernadette O'Brien: publications per year, 1996 to 2025
Year Publications
1996 1
1997 3
1998 2
1999 7
2000 3
2001 2
2002 5
2003 1
2004 4
2005 3
2006 5
2007 6
2008 3
2009 5
2010 8
2011 2
2012 8
2013 8
2014 2
2015 2
2016 5
2017 4
2018 5
2019 11
2020 3
2021 4
2022 8
2023 6
2024 5
2025 4
Total 135
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Bernadette O'Brien 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 Bernadette O'Brien 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, 114–118 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: 116 publications — 36th percentile

36% 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 88 116
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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Bernadette O'Brien 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 Bernadette O'Brien 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, 33 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: 33 D-Index — 39th percentile

39% 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 33
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

Bernadette O'Brien is affiliated with Teagasc - The Irish Agriculture and Food Development Authority in Ireland. Their research focuses primarily on agricultural and biological sciences as well as environmental science. Their work encompasses a range of subfields including agronomy and crop science, health, toxicology and mutagenesis, food science, ecology, and small animal studies.

The main topics that Bernadette O'Brien addresses in their research include:

  • Milk Quality and Mastitis in Dairy Cows
  • Agriculture Sustainability and Environmental Impact
  • Animal Behavior and Welfare Studies
  • Chemical Analysis and Environmental Impact
  • Water Treatment and Disinfection
  • Probiotics and Fermented Foods
  • Agriculture and Farm Safety

They have contributed to multiple publications, often appearing in key journals such as the Journal of Dairy Science, animal, Irish Journal of Agricultural and Food Research, Computers and Electronics in Agriculture, and International Journal of Dairy Technology.

Some of the recent research papers by Bernadette O'Brien include:

  • A Review of Precision Technologies for Optimising Pasture Measurement on Irish Grassland, 2021, Agriculture
  • Virtual fencing without visual cues: Design, difficulties of implementation, and associated dairy cow behaviour, 2020, Computers and Electronics in Agriculture
  • Validation of an ear tag-based accelerometer system for detecting grazing behavior of dairy cows, 2020, Journal of Dairy Science
  • Estimating the effect of different work practices and technologies on labor efficiency within pasture-based dairy systems, 2022, Journal of Dairy Science
  • The effect of disinfectant ingredients on teat skin bacteria associated with mastitis in Irish dairy herds, 2021, Irish Veterinary Journal

Frequent collaborators in Bernadette O'Brien's research include David Gleeson, Tom Beresford, Lorna Twomey, C. Hogan, and Jim Kinsella. These coauthors have contributed to multiple joint publications across topics related to dairy science and agricultural research.

Best Publications

  • Temporal Trends in Bulk Tank Somatic Cell Count and Total Bacterial Count in Irish Dairy Herds During the Past Decade

    D.P. Berry;B. O’Brien;E.J. O’Callaghan;K.O. Sullivan

  • Estimating the effect of mastitis on the profitability of Irish dairy farms.

    U. Geary;N. Lopez-Villalobos;N. Begley;F. McCoy

  • The effect of storage temperature and duration on the microbial quality of bulk tank milk.

    A. O’Connell;P.L. Ruegg;K. Jordan;B. O’Brien

  • The effect of forage type and level of concentrate supplementation on the performance of spring‐calving dairy cows in early lactation

    P. Dillon;S. Crosse;B. O'Brien;R. W. Mayes

  • Evaluation of the RumiWatchSystem for measuring grazing behaviour of cows.

    J. Werner;J. Werner;L. Leso;C. Umstatter;J. Niederhauser

  • Lipid and Cholesterol Oxidation in Whole Milk Powder during Processing and Storage

    S. Mc Cluskey;J.F. Connolly;R. Devery;B. O'brien

  • Heterogeneity of proteolytic enzyme activities in milk samples of different somatic cell count

    Joanne M Somers;Bernadette O'Brien;William J Meaney;Alan L Kelly

  • Effect of pre-milking teat preparation procedures on the microbial count on teats prior to cluster application

    David E Gleeson;Bernadette O'Brien;James Flynn;Edmond J O'Callaghan

  • Seasonal variation in the composition of Irish manufacturing and retail milks. 1. Chemical composition and renneting properties.

    B. O'brien;R. Mchra;J. F. Connolly;D. Harrington

  • Effect of milking frequency and nutritional level on aspects of the health and welfare of dairy cows.

    D. E. Gleeson;B. O'Brien;L. Boyle;B. Earley

  • Measuring labor input on pasture-based dairy farms using a smartphone.

    J. Deming;J. Deming;D. Gleeson;T. O'Dwyer;J. Kinsella

  • Effect of frequency of milking on yield, composition and processing quality of milk

    Bernadette O'brien;Gerard Ryan;William J. Meaney;David McDONAGH

  • Effects of stocking density and concentrate supplementation of grazing dairy cows on milk production, composition and processing characteristics

    Bernadette O'brien;Patrick Dillon;John J. Murphy;Raj K. Mehra

  • Effect of cow breed on milk coagulation properties

    M. Auldist;C. Mullins;B. O'brien;B. T. O'kennedy

  • Evaluation and application potential of an accelerometer-based collar device for measuring grazing behavior of dairy cows.

    J. Werner;J. Werner;C. Umstatter;L. Leso;E. Kennedy

  • Effect of altering the daily herbage allowance to cows in mid lactation on the composition, ripening and functionality of low-moisture, part-skim Mozzarella cheese.

    Timothy P. Guinee;Edward O. Mulholland;Catherine Mullins;Michael O. Corcoran

  • Farm management factors associated with bulk tank somatic cell count in Irish dairy herds

    PT Kelly;K O'Sullivan;Donagh P. Berry;Simon J More

  • Development and adoption of new technologies to increase the efficiency and sustainability of pasture-based systems

    P. French;B. O'Brien;L. Shalloo

  • Seasonal trends in milk quality in Ireland between 2007 and 2011

    A. O’Connell;A. O’Connell;S. McParland;P.L. Ruegg;B. O’Brien

  • Effect of milking frequency and nutritional level on hoof health, locomotion score and lying behaviour of dairy cows

    Keelin O'Driscoll;Keelin O'Driscoll;David Gleeson;Bernadette O'Brien;Laura Boyle

  • Does omission of a regular milking event affect cow comfort

    Keelin O'Driscoll;Keelin O'Driscoll;David Gleeson;Bernadette O'Brien;Laura Boyle

  • Farm management factors associated with bulk tank total bacterial count in Irish dairy herds during 2006/07

    P.T. Kelly;Kathleen O'Sullivan;Donagh Berry;Simon J More

  • Effect of altering the daily herbage allowance in mid lactation on the composition and processing characteristics of bovine milk.

    Bernadette O'brien;John J. Murphy;James F. Connolly;Raj Mehra

  • The labour input associated with calf care on Irish dairy farms

    D. Gleeson;B. O'Brien;K. O'Donovan

  • Seasonal variation in the composition of Irish manufacturing and retail milks 4. Minerals and trace elements

    B. O'brien;R. Mehra;J. F. Connolly;D. Harrington

Frequent Co-Authors

Alan L. Kelly
Alan L. Kelly University College Cork
Timothy P. Guinee
Timothy P. Guinee Teagasc - The Irish Agriculture and Food Development Authority
Laurence Shalloo
Laurence Shalloo Teagasc - The Irish Agriculture and Food Development Authority
Ambrose Furey
Ambrose Furey Munster Technological University
John F. Mee
John F. Mee Teagasc - The Irish Agriculture and Food Development Authority
Roy D. Sleator
Roy D. Sleator Munster Technological University
Nicolas Lopez-Villalobos
Nicolas Lopez-Villalobos Massey University
Emer Kennedy
Emer Kennedy Teagasc - The Irish Agriculture and Food Development Authority
J.J. Murphy
J.J. Murphy Teagasc - The Irish Agriculture and Food Development Authority
Donagh P. Berry
Donagh P. Berry Teagasc - The Irish Agriculture and Food Development Authority

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