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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 30 2388 2173 673 556 295 4711

George A. Perry publications per year

The chart shows the history of publications by George A. Perry between 1960 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. George A. Perry published across 66 years, from 1960 to 2025, averaging 5 papers a year. Output peaked at 29 publications in 2016. 36 of the 329 publications appeared in the last two years.

No. of publications
5 10 15 20 25
Bar chart. Horizontal axis: year, 1960 to 2025. Vertical axis: number of publications, 0 to 29. Peak 29 publications in 2016. 1960: 1 publication 1961: 0 publications 1962: 0 publications 1963: 0 publications 1964: 0 publications 1965: 0 publications 1966: 0 publications 1967: 0 publications 1968: 0 publications 1969: 0 publications 1970: 0 publications 1971: 0 publications 1972: 0 publications 1973: 1 publication 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: 0 publications 1991: 0 publications 1992: 0 publications 1993: 0 publications 1994: 0 publications 1995: 0 publications 1996: 0 publications 1997: 1 publication 1998: 0 publications 1999: 0 publications 2000: 0 publications 2001: 3 publications 2002: 3 publications 2003: 2 publications 2004: 6 publications 2005: 13 publications 2006: 5 publications 2007: 7 publications 2008: 8 publications 2009: 8 publications 2010: 4 publications 2011: 3 publications 2012: 10 publications 2013: 13 publications 2014: 10 publications 2015: 17 publications 2016: 29 publications 2017: 21 publications 2018: 17 publications 2019: 13 publications 2020: 22 publications 2021: 25 publications 2022: 22 publications 2023: 29 publications 2024: 19 publications 2025: 17 publications
1960 2025

329 publications in total across all disciplines

View publications per year as a table
George A. Perry: publications per year, 1960 to 2025
Year Publications
1960 1
1961 0
1962 0
1963 0
1964 0
1965 0
1966 0
1967 0
1968 0
1969 0
1970 0
1971 0
1972 0
1973 1
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 0
1991 0
1992 0
1993 0
1994 0
1995 0
1996 0
1997 1
1998 0
1999 0
2000 0
2001 3
2002 3
2003 2
2004 6
2005 13
2006 5
2007 7
2008 8
2009 8
2010 4
2011 3
2012 10
2013 13
2014 10
2015 17
2016 29
2017 21
2018 17
2019 13
2020 22
2021 25
2022 22
2023 29
2024 19
2025 17
Total 329
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George A. Perry 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 George A. Perry 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, 294–298 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: 295 publications — 89th percentile

89% 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
264–268 25
269–273 11
274–278 18
279–283 13
284–288 18
289–293 10
294–298 12 295
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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George A. Perry 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 George A. Perry 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, 30 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: 30 D-Index — 25th percentile

25% 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 30
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
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

George A. Perry is affiliated with Texas A&M University in the United States and has contributed extensively to the field of agricultural and biological sciences. Their work primarily focuses on reproductive physiology and related areas within livestock science.

The central fields of study associated with Perry's research include:

  • Agricultural and Biological Sciences

Within this broader field, key subfields of study explored by Perry are:

  • Agronomy and Crop Science
  • Genetics
  • Public Health, Environmental and Occupational Health
  • Animal Science and Zoology
  • Reproductive Medicine

Major research topics covered in their publications involve:

  • Reproductive Physiology in Livestock
  • Genetic and phenotypic traits in livestock
  • Reproductive Biology and Fertility
  • Sperm and Testicular Function
  • Effects of Environmental Stressors on Livestock
  • Animal Genetics and Reproduction
  • Animal Disease Management and Epidemiology

Perry has authored numerous papers, some of which include:

  • "Vaginal bacterial community composition and concentrations of estradiol at the time of artificial insemination in Brangus heifers," Journal of Animal Science, 2020
  • "Effect of estradiol preceding and progesterone subsequent to ovulation on proportion of postpartum beef cows pregnant," Animal Reproduction Science, 2021
  • "Importance of preovulatory estradiol on uterine receptivity and luteal function," Animal Reproduction, 2023
  • "Effect of calfhood nutrition on metabolic hormones, gonadotropins, and estradiol concentrations and on reproductive organ development in beef heifer calves," Journal of Animal Science, 2020
  • "Developmental programming of the ovarian reserve in livestock," Animal Reproduction Science, 2024

Several frequent co-authors have collaborated with Perry on multiple occasions, including:

  • Jerica J J Rich
  • Kaitlin M Epperson
  • Saulo Menegatti Zoca
  • Lacey K Quail
  • Robert A. Cushman

Regarding publication venues, Perry's research predominantly appears in:

  • Journal of Animal Science
  • Animal Reproduction Science
  • Theriogenology
  • Animal - Science Proceedings
  • Data in Brief

Best Publications

  • Relationship between follicle size at insemination and pregnancy success.

    George A. Perry;Michael F. Smith;Matthew C. Lucy;Jonathan A. Green

  • Relationship between size of the ovulatory follicle and pregnancy success in beef heifers.

    G. A. Perry;M. F. Smith;A. J. Roberts;M. D. MacNeil

  • Ovarian follicle diameter at timed insemination and estrous response influence likelihood of ovulation and pregnancy after estrous synchronization with progesterone or progestin-based protocols in suckled Bos indicus cows.

    M.F. Sá Filho;A.M. Crespilho;J.E.P. Santos;G.A. Perry

  • Heifer calving date positively influences calf weaning weights through six parturitions

    R. A. Cushman;L. K. Kill;Richard N. Funston;E. M. Mousel

  • Preovulatory estradiol and the establishment and maintenance of pregnancy in suckled beef cows.

    E. M. Jinks;M. F. Smith;J. A. Atkins;K. G. Pohler

  • Effect of preovulatory concentrations of estradiol and initiation of standing estrus on uterine pH in beef cows

    G.A. Perry;B.L. Perry

  • Effect of dried corn distillers grains plus solubles compared with soybean hulls, in late gestation heifer diets, on animal and reproductive performance

    C. L. Engel;H. H. Patterson;G. A. Perry

  • Expression of estrus before fixed-time AI affects conception rates and factors that impact expression of estrus and the repeatability of expression of estrus in sequential breeding seasons.

    Brittany N. Richardson;Scott L. Hill;Jeffery S. Stevenson;Gemechis D. Djira

  • Follicular determinants of pregnancy establishment and maintenance

    Ky G. Pohler;Thomas W. Geary;Jacqueline A. Atkins;George A. Perry

  • Ability of intravaginal progesterone inserts and melengestrol acetate to induce estrous cycles in postpartum beef cows.

    G. A. Perry;M. F. Smith;T. W. Geary

  • Interaction of Endophyte-Infected Fescue and Heat Stress on Ovarian Function in the Beef Heifer

    J.M. Burke;D.E. Spiers;F.N. Kojima;G.A. Perry

  • Effects of preovulatory estradiol on embryo survival and pregnancy establishment in beef cows

    Crystal A. Madsen;Crystal A. Madsen;George A. Perry;Christina L. Mogck;Russell F. Daly

  • Relationship of follicle size and concentrations of estradiol among cows exhibiting or not exhibiting estrus during a fixed-time AI protocol.

    G.A. Perry;O.L. Swanson;E.L. Larimore;B.L. Perry

  • Evaluation of a fixed-time artificial insemination protocol for postpartum suckled beef cows.

    G A Perry;M F Smith;D J Patterson

  • Bovine herpesvirus 1 modified live virus vaccines for cattle reproduction: Balancing protection with undesired effects.

    Christopher C.L. Chase;Robert W. Fulton;Donal O’Toole;Benjamin Gillette

  • Effects of standing estrus and supplemental estradiol on changes in uterine pH during a fixed-time artificial insemination protocol.

    G A Perry;B L Perry

  • Factors affecting puberty in replacement beef heifers

    G.A. Perry

  • Vaginal bacterial community composition and concentrations of estradiol at the time of artificial insemination in Brangus heifers

    Riley D Messman;Zully E Contreras-Correa;Henry A Paz;George Perry

  • Physiology and Endocrinology Symposium: Harnessing basic knowledge of factors controlling puberty to improve synchronization of estrus and fertility in heifers.

    G. A. Perry

  • Effect of Age at Puberty/Conception Date on Cow Longevity

    George A. Perry;Robert Cushman

  • GnRH treatment at artificial insemination in beef cattle fails to increase plasma progesterone concentrations or pregnancy rates.

    G.A. Perry;B.L. Perry

  • Triennial Reproduction Symposium: influence of follicular characteristics at ovulation on early embryonic survival.

    T W Geary;M F Smith;M D MacNeil;M L Day

  • Development of the ovary and ontongeny of mRNA and protein for P450 aromatase (arom) and estrogen receptors (ER) α and β during early fetal life in cattle

    H.A. Garverick;J.L. Juengel;P. Smith;D.A. Heath

  • Effects of supplementing calcium salts of polyunsaturated fatty acids to late-gestating beef cows on performance and physiological responses of the offspring.

    R. S. Marques;R. F. Cooke;M. C. Rodrigues;A. P. Brandão

  • Morphological development and characterization of aromatase and estrogen receptors alpha and beta in fetal ovaries of cattle from days 110 to 250.

    M.N. Burkhart;J.L. Juengel;P.R. Smith;D.A. Heath

  • Influence of inducing luteal regression before a modified controlled internal drug-releasing device treatment on control of follicular development.

    J K Grant;F M Abreu;N L Hojer;S D Fields

  • Influence of estrus at fixed-time artificial insemination on early embryonic development in beef cattle

    E. L. Larimore;O. L. Amundson;S. L. Bird;B. J. Funnell

Frequent Co-Authors

Thomas W. Geary
Thomas W. Geary Agricultural Research Service
Andrea S. Cupp
Andrea S. Cupp University of Nebraska–Lincoln
D. J. Patterson
D. J. Patterson University of Missouri
Harvey C. Freetly
Harvey C. Freetly Agricultural Research Service
Ky G. Pohler
Ky G. Pohler Texas A&M University
Michael D. MacNeil
Michael D. MacNeil University of the Free State
Duane H. Keisler
Duane H. Keisler University of Missouri
Reinaldo F Cooke
Reinaldo F Cooke Texas A&M University
Jeffrey S. Stevenson
Jeffrey S. Stevenson Kansas State University
Dale A. Redmer
Dale A. Redmer North Dakota State University

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