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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 51 594 544 14 14 263 7481

Luc Delaby publications per year

The chart shows the history of publications by Luc Delaby between 1967 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Luc Delaby published across 59 years, from 1967 to 2025, averaging 6 papers a year. Output peaked at 28 publications in 2014. 24 of the 352 publications appeared in the last two years.

No. of publications
5 10 15 20 25
Bar chart. Horizontal axis: year, 1967 to 2025. Vertical axis: number of publications, 0 to 28. Peak 28 publications in 2014. 1967: 1 publication 1968: 0 publications 1969: 0 publications 1970: 0 publications 1971: 0 publications 1972: 0 publications 1973: 0 publications 1974: 0 publications 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: 1 publication 1991: 1 publication 1992: 0 publications 1993: 1 publication 1994: 6 publications 1995: 3 publications 1996: 1 publication 1997: 3 publications 1998: 2 publications 1999: 1 publication 2000: 3 publications 2001: 4 publications 2002: 3 publications 2003: 6 publications 2004: 7 publications 2005: 6 publications 2006: 7 publications 2007: 7 publications 2008: 12 publications 2009: 17 publications 2010: 17 publications 2011: 9 publications 2012: 22 publications 2013: 25 publications 2014: 28 publications 2015: 19 publications 2016: 17 publications 2017: 15 publications 2018: 24 publications 2019: 12 publications 2020: 13 publications 2021: 17 publications 2022: 8 publications 2023: 10 publications 2024: 9 publications 2025: 15 publications
1967 2025

352 publications in total across all disciplines

View publications per year as a table
Luc Delaby: publications per year, 1967 to 2025
Year Publications
1967 1
1968 0
1969 0
1970 0
1971 0
1972 0
1973 0
1974 0
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 1
1991 1
1992 0
1993 1
1994 6
1995 3
1996 1
1997 3
1998 2
1999 1
2000 3
2001 4
2002 3
2003 6
2004 7
2005 6
2006 7
2007 7
2008 12
2009 17
2010 17
2011 9
2012 22
2013 25
2014 28
2015 19
2016 17
2017 15
2018 24
2019 12
2020 13
2021 17
2022 8
2023 10
2024 9
2025 15
Total 352
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Luc Delaby 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 Luc Delaby 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, 259–263 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: 263 publications — 86th percentile

86% 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
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 21 263
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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Luc Delaby 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 Luc Delaby 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, 51 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: 51 D-Index — 82nd percentile

82% 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 51
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

Luc Delaby is a researcher affiliated with Institut Agro, France, whose work focuses primarily on Agricultural and Biological Sciences. Their research encompasses several subfields including Agronomy and Crop Science, Genetics, Ecology, Environmental Chemistry, and Ecology, Evolution, Behavior and Systematics.

The main topics covered in Luc Delaby's research include:

  • Ruminant Nutrition and Digestive Physiology
  • Genetic and phenotypic traits in livestock
  • Reproductive Physiology in Livestock
  • Agriculture Sustainability and Environmental Impact
  • Agronomic Practices and Intercropping Systems
  • Soil Carbon and Nitrogen Dynamics
  • Agriculture and Rural Development Research

Delaby has contributed notably to the understanding of pasture-based dairy systems, production traits, and sustainable agricultural practices. Among their recent papers are:

  • "Pasture-Based Dairy Systems in Temperate Lowlands: Challenges and Opportunities for the Future", 2020, Frontiers in Sustainable Food Systems
  • "Increasing Grazing in Dairy Cow Milk Production Systems in Europe", 2020, Sustainability
  • "Review: Why and how to regulate animal production and consumption: The case of the European Union", 2021, animal
  • "How the Green Architecture of the 2023-2027 Common Agricultural Policy could have been greener", 2023, AMBIO
  • "An assessment of the production, reproduction, and functional traits of Holstein-Friesian, Jersey × Holstein-Friesian, and Norwegian Red × (Jersey × Holstein-Friesian) cows in pasture-based systems", 2020, Journal of Dairy Science

Delaby's frequent co-authors include:

  • B. Horan
  • T. J. Gilliland
  • Z.C. McKay
  • B. McCarthy
  • M. O'Donovan

Their work is often published in scientific venues such as:

  • Journal of Dairy Science
  • Livestock Science
  • INRAE Productions Animales
  • The Journal of Agricultural Science
  • Grass and Forage Science

Luc Delaby's research contributes to multiple dimensions of agricultural science, emphasizing ruminant nutrition, reproductive physiology, genetic traits, sustainability, and environmental impact within livestock production systems.

Best Publications

  • The linear relationship between the proportion of fresh grass in the cow diet, milk fatty acid composition, and butter properties.

    Sébastien Couvreur;Catherine Hurtaud;Christelle Lopez;Luc Delaby

  • The Interaction of Strain of Holstein-Friesian Cows and Pasture-Based Feed Systems on Milk Yield, Body Weight, and Body Condition Score

    B. Horan;B. Horan;P. Dillon;P. Faverdin;L. Delaby

  • Vertical distribution of biomass, chemical composition and pepsin––cellulase digestibility in a perennial ryegrass sward: interaction with month of year, regrowth age and time of day

    R Delagarde;J.L Peyraud;L Delaby;P Faverdin

  • Nutritive value of forage legumes used for grazing and silage

    Richard J. Dewhurst;Luc Delaby;Aidan P Moloney;T. M. Boland

  • Integrated crop and livestock systems in Western Europe and South America: A review

    Jean-Louis Peyraud;Miguel Taboada;Miguel Taboada;Luc Delaby

  • INRA feeding system for ruminants.

    Daniel Sauvant;Luc Delaby;Pierre Nozière

  • Effect of genetic merit and concentrate supplementation on grass intake and milk production with Holstein Friesian dairy cows.

    J. Kennedy;J. Kennedy;P. Dillon;L. Delaby;P. Faverdin

  • The Effect of Herbage Allowance and Concentrate Supplementation on Milk Production Performance and Dry Matter Intake of Spring-Calving Dairy Cows in Early Lactation

    M. McEvoy;M. McEvoy;E. Kennedy;J.P. Murphy;T.M. Boland

  • Effect of pregrazing herbage mass on methane production, dry matter intake, and milk production of grazing dairy cows during the mid-season period.

    C.M. Wims;M.H. Deighton;E. Lewis;B. O’Loughlin

  • Effects of grass pasture and concentrate-based feeding systems for spring-calving dairy cows in early spring on performance during lactation

    E. Kennedy;M. O'Donovan;J.-P. Murphy;L. Delaby

  • Effect of different feeding strategies on lactation performance of Holstein and Normande dairy cows.

    L. Delaby;P. Faverdin;G. Michel;C. Disenhaus

  • Review: Associations among goods, impacts and ecosystem services provided by livestock farming.

    B. Dumont;J. Ryschawy;M. Duru;M. Benoit

  • Effect of the level of concentrate supplementation, herbage allowance and milk yield at turn-out on the performance of dairy cows in mid lactation at grazing

    L. Delaby;J. L. Peyraud;R. Delagarde

  • Meta-analysis of the impact of stocking rate on the productivity of pasture-based milk production systems

    B McCarthy;L Delaby;K M Pierce;F Journot

  • Sward characteristics, grass dry matter intake and milk production performance are affected by pre-grazing herbage mass and pasture allowance

    J. Curran;J. Curran;L. Delaby;E. Kennedy;J.P. Murphy

  • Effects of the Energy Balance of Dairy Cows on Lactational Responses to Rumen-Protected Methionine

    H. Rulquin;L. Delaby

  • The effect of nitrogen fertilization level and protein supplementation on herbage intake, feeding behaviour and digestion in grazing dairy cows

    Remy Delagarde;Jean-Louis Peyraud;Luc Delaby

  • Effet d'une réduction simultanée de la fertilisation azotée et du chargement sur les performances des vaches laitières et la valorisation du pâturage

    Luc Delaby;Jean-Louis Peyraud;Alain Bouttier;Jean-Rémi Peccatte

  • Simplified rotational grazing management of dairy cows: effects of rates of stocking and concentrate

    A. Hoden;J. L. Peyraud;A. Muller;L. Delaby

  • Development of the Pasture Simulation Model for assessing livestock production under climate change

    A.-I. Graux;M. Gaurut;J. Agabriel;R. Baumont

  • Effect of pregrazing herbage mass and pasture allowance on the lactation performance of Holstein-Friesian dairy cows.

    M. McEvoy;M. O’Donovan;E. Kennedy;J.P. Murphy

  • Ideal concentrate feeds for grazing dairy cows: responses to supplementation in interaction with grazing management and grass quality

    Jean-Louis Peyraud;Luc Delaby

  • Effect of dairy production system, breed and co-product handling methods on environmental impacts at farm level.

    T.T.H. Nguyen;M. Doreau;M.S. Corson;M. Eugène

  • Hierarchy of factors affecting behavioural signs used for oestrus detection of Holstein and Normande dairy cows in a seasonal calving system.

    Erwan Cutullic;Erwan Cutullic;Luc Delaby;Luc Delaby;David Causeur;Guillaume Michel

  • A comparison of perennial ryegrass cultivars differing in heading date and grass ploidy with spring calving dairy cows grazed at two different stocking rates

    Michael O’Donovan;Luc Delaby

  • Effect of Different Forms of Methionine on Lactational Performance of Dairy Cows

    H. Rulquin;B. Graulet;L. Delaby;J.C. Robert

Frequent Co-Authors

Philippe Faverdin
Philippe Faverdin Institut Agro, France
Michael O'Donovan
Michael O'Donovan Teagasc - The Irish Agriculture and Food Development Authority
Emer Kennedy
Emer Kennedy Teagasc - The Irish Agriculture and Food Development Authority
Jean-Louis Peyraud
Jean-Louis Peyraud INRAE : Institut national de recherche pour l'agriculture, l'alimentation et l'environnement
Patrick Durand
Patrick Durand Institut Agro, France
Brendan Horan
Brendan Horan Teagasc - The Irish Agriculture and Food Development Authority
Laurence Shalloo
Laurence Shalloo Teagasc - The Irish Agriculture and Food Development Authority
Bertrand Dumont
Bertrand Dumont University of Clermont Auvergne
T. M. Boland
T. M. Boland University College Dublin
K.M. Pierce
K.M. Pierce University College Dublin

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