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P. Landis Keyes

D-Index & Metrics

Discipline name D-Index World Ranking National Ranking Publications Citations
Animal Science and Veterinary 25 2968 845 57 2297

P. Landis Keyes publications per year

The chart shows the history of publications by P. Landis Keyes between 1967 and 2001, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. P. Landis Keyes published across 35 years, from 1967 to 2001, averaging 2.2 papers a year. Output peaked at 5 publications in 1978. 5 of the 76 publications appeared in the last two years.

No. of publications
1 2 3 4 5
Bar chart. Horizontal axis: year, 1967 to 2001. Vertical axis: number of publications, 0 to 5. Peak 5 publications in 1978. 1967: 2 publications 1968: 3 publications 1969: 4 publications 1970: 1 publication 1971: 1 publication 1972: 1 publication 1973: 1 publication 1974: 2 publications 1975: 3 publications 1976: 3 publications 1977: 3 publications 1978: 5 publications 1979: 4 publications 1980: 3 publications 1981: 1 publication 1982: 3 publications 1983: 3 publications 1984: 3 publications 1985: 2 publications 1986: 2 publications 1987: 2 publications 1988: 2 publications 1989: 2 publications 1990: 2 publications 1991: 3 publications 1992: 1 publication 1993: 0 publications 1994: 1 publication 1995: 1 publication 1996: 3 publications 1997: 1 publication 1998: 0 publications 1999: 3 publications 2000: 4 publications 2001: 1 publication
1967 2001

76 publications in total across all disciplines

View publications per year as a table
P. Landis Keyes: publications per year, 1967 to 2001
Year Publications
1967 2
1968 3
1969 4
1970 1
1971 1
1972 1
1973 1
1974 2
1975 3
1976 3
1977 3
1978 5
1979 4
1980 3
1981 1
1982 3
1983 3
1984 3
1985 2
1986 2
1987 2
1988 2
1989 2
1990 2
1991 3
1992 1
1993 0
1994 1
1995 1
1996 3
1997 1
1998 0
1999 3
2000 4
2001 1
Total 76
Download as CSV

P. Landis Keyes publications per year - data summary

  • P. Landis Keyes, a Animal Science and Veterinary scholar from The Ohio State University, has 76 publications recorded across 35 years, from 1967 to 2001.
  • The oldest publication on record dates to 1967 and the most recent to 2001.
  • The most productive year is 1978, with 5 publications.
  • The least productive years with any output are 1970, 1971, 1972, 1973 and others, with 1 publication each.
  • 2 of the 35 years in the span carry no publications at all (1993 and 1998).
  • The rate of publication averages 2.2 papers per year over the whole span, or 2.3 per year counting only the 33 years with at least one publication.
  • The last 5 years on the chart (1997-2001) hold 9 publications, 12% of the career total.
  • Split into equal eras - 1967-1978: 29 publications (2.4 per year); 1979-1990: 29 publications (2.4 per year); 1991-2001: 18 publications (1.6 per year).
  • Comparing the opening and closing eras, the overall trend of publication is declining.

P. Landis Keyes 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 P. Landis Keyes 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, 54–58 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: 57 publications — 3rd percentile

3% 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 57
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
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
Download as CSV

P. Landis Keyes publication distribution in Animal Science and Veterinary in 2026 - data summary

  • The chart plots the publication count of all 3,155 Animal Science and Veterinary scientists ranked by Research.com in 2026, grouped into 84 ranges running from 29–33 to 442+ publications.
  • P. Landis Keyes, a Animal Science and Veterinary scholar from The Ohio State University, records 57 publications - the 3rd percentile of the discipline.
  • 3% of ranked Animal Science and Veterinary scientists score the same or lower than P. Landis Keyes, and about 97% score higher.
  • The median of the discipline falls in the 139–143 publications range, and P. Landis Keyes ranks below the median.
  • The most crowded range is 119–123 publications, holding 109 scientists (3% of the field).
  • 47% of the field sits in the lowest quarter of the value range (up to 129–133 publications), so the distribution leans towards the lower end of the scale.
  • The final bar has no upper bound: it groups every scientist with 442 publications or more, 99 scientists in all (3% of the field).

P. Landis Keyes 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 P. Landis Keyes 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, 25 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: 25 D-Index — 7th percentile

7% 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 25
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
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
Download as CSV

P. Landis Keyes D-index placement in Animal Science and Veterinary in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 3,155 Animal Science and Veterinary scientists ranked by Research.com in 2026, grouped into 58 ranges running from 20 to 77+ D-Index.
  • P. Landis Keyes, a Animal Science and Veterinary scholar from The Ohio State University, records 25 D-Index - the 7th percentile of the discipline.
  • 7% of ranked Animal Science and Veterinary scientists score the same or lower than P. Landis Keyes, and about 93% score higher.
  • The median of the discipline falls in the 36 D-Index range, and P. Landis Keyes ranks below the median.
  • The most crowded range is 31 D-Index, holding 158 scientists (5% of the field).
  • 43% of the field sits in the lowest quarter of the value range (up to 34 D-Index), so the distribution leans towards the lower end of the scale.
  • The final bar has no upper bound: it groups every scientist with 77 D-Index or more, 100 scientists in all (3% of the field).

Best Publications

  • Immune cells in the corpus luteum: friends or foes?

    Unknown

  • Tumor necrosis factor production and accumulation of inflammatory cells in the corpus luteum of pseudopregnancy and pregnancy in rabbits.

    P Bagavandoss;R C Wiggins;S L Kunkel;D G Remick

  • Role of Intraluteal Estrogen in the Regulation of the Rat Corpus Luteum during Pregnancy

    Geula Gibori;P. Landis Keyes

  • Maintenance and Function of Corpora Lutea in Rabbits Depend on Estrogen

    Unknown

  • A Role for Intraluteal Estrogen in the Mediation of Luteinizing Hormone Action on the Rat Corpus Luteum during Pregnancy

    Geula Gibori;P. Landis Keyes;Joann E S. Richards

  • Luteal Regression in the Normally Cycling Rat: Apoptosis, Monocyte Chemoattractant Protein-1, and Inflammatory Cell Involvement

    Jennifer M. Bowen;Roberto Towns;Jeffrey S. Warren;P. Landis Keyes

  • Comparison of Serum Progesterone, 20α-Dihydroprogesterone, and Estradiol-17β in Pregnant and Pseudopregnant Rabbits: Evidence for Postimplantation Recognition of Pregnancy1

    Unknown

  • Expression of the steroidogenic acute regulatory protein in the corpus luteum of the rabbit: dependence upon the luteotropic hormone, estradiol-17 beta.

    David H. Townson;Xing Jia Wang;P. Landis Keyes;Jack L. Kostyo

  • Size distribution and hormonal responsiveness of dispersed rabbit luteal cells during pseudopregnancy.

    P B Hoyer;P L Keyes;G D Niswender

  • Expression of Monocyte Chemoattractant Protein-1 in the Corpus Luteum of the Rat1

    Unknown

  • Physiological and Immunocytochemical Evidence for a New Concept of Blood Flow Regulation in the Corpus Luteum1

    Unknown

  • Premature Regression of Corpora Lutea in Pseudopregnant Rabbits Following the Removal of Polydimethylsiloxane Capsules Containing 17β-Estradiol<sup>1</sup>

    Unknown

  • Estrogen Receptor in the Rabbit Corpus Luteum

    Unknown

  • 17β-Estradiol Maintains Normal Function of Corpora Lutea Throughout Pseudopregnancy in Hypophysectomized Rabbits1

    Unknown

  • Transition of the Rabbit Corpus Luteum to Estrogen Dependence during Early Luteal Development*

    Unknown

  • Serum Progesterone in Pregnant Rats with Ectopic or in situ Corpora Lutea: Correlation Between Amount of Luteal Tissue and Progesterone Concentration1, 2

    Unknown

  • Steroidogenic Effect of 170-Estradiol in the Rabbit: Stimulation of Progesterone Synthesis in Prematurely Regressing Corpora Lutea*

    Unknown

  • Endocrine role of follicles in the regulation of corpus luteum function in the rabbit.

    Unknown

  • Insulin-Like Growth Factor-I Stimulates Steroidogenesis in Rabbit Luteal Cells*

    Unknown

  • A Mechanism for Regression of the Rabbit Corpus Luteum: Uterine-Induced Loss of Luteal Responsiveness to 17β-Estradiol12

    Unknown

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Related Online Degrees & Career Pathways

Exploring a career in Animal Science and Veterinary studies opens doors to diverse allied fields that can also be pursued online. For instance, students interested in the broader scope of health and physical well-being might consider programs where you can study exercise science online. Such degrees complement animal care by focusing on anatomy and physiology, skills that are vital in veterinary health.

Another related path is behavior analysis, which plays a crucial role in animal training and therapy. Those intrigued can explore bcba masters programs that offer certification both in-person and online. This specialization can be directly applied to improving animal behavior as well as human-animal interactions.

For graduates interested in psychological health aspects, pursuing studies through nasp accredited online school psychology programs can provide valuable insights into behavior and mental health applicable in educational and therapeutic settings with animals and humans alike.

Additionally, advancing clinical expertise is possible through apa accredited psyd programs online. These programs offer doctoral training that emphasizes practical skills without GRE requirements, suitable for those seeking advanced roles in behavioral and health sciences relevant to veterinary fields.

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