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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 40 1181 1092 351 301 133 5921

R.W. Hemken publications per year

The chart shows the history of publications by R.W. Hemken between 1962 and 2024, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. R.W. Hemken published across 63 years, from 1962 to 2024, averaging 2.4 papers a year. Output peaked at 14 publications in 1991. 1 of the 153 publications appeared in the last two years.

No. of publications
5 10
Bar chart. Horizontal axis: year, 1962 to 2024. Vertical axis: number of publications, 0 to 14. Peak 14 publications in 1991. 1962: 1 publication 1963: 0 publications 1964: 1 publication 1965: 3 publications 1966: 2 publications 1967: 2 publications 1968: 1 publication 1969: 4 publications 1970: 5 publications 1971: 5 publications 1972: 3 publications 1973: 4 publications 1974: 1 publication 1975: 3 publications 1976: 2 publications 1977: 0 publications 1978: 2 publications 1979: 8 publications 1980: 10 publications 1981: 9 publications 1982: 6 publications 1983: 3 publications 1984: 5 publications 1985: 3 publications 1986: 7 publications 1987: 5 publications 1988: 13 publications 1989: 3 publications 1990: 3 publications 1991: 14 publications 1992: 3 publications 1993: 5 publications 1994: 2 publications 1995: 3 publications 1996: 6 publications 1997: 1 publication 1998: 0 publications 1999: 0 publications 2000: 0 publications 2001: 0 publications 2002: 2 publications 2003: 0 publications 2004: 0 publications 2005: 0 publications 2006: 0 publications 2007: 0 publications 2008: 2 publications 2009: 0 publications 2010: 0 publications 2011: 0 publications 2012: 0 publications 2013: 0 publications 2014: 0 publications 2015: 0 publications 2016: 0 publications 2017: 0 publications 2018: 0 publications 2019: 0 publications 2020: 0 publications 2021: 0 publications 2022: 0 publications 2023: 0 publications 2024: 1 publication
1962 2024

153 publications in total across all disciplines

View publications per year as a table
R.W. Hemken: publications per year, 1962 to 2024
Year Publications
1962 1
1963 0
1964 1
1965 3
1966 2
1967 2
1968 1
1969 4
1970 5
1971 5
1972 3
1973 4
1974 1
1975 3
1976 2
1977 0
1978 2
1979 8
1980 10
1981 9
1982 6
1983 3
1984 5
1985 3
1986 7
1987 5
1988 13
1989 3
1990 3
1991 14
1992 3
1993 5
1994 2
1995 3
1996 6
1997 1
1998 0
1999 0
2000 0
2001 0
2002 2
2003 0
2004 0
2005 0
2006 0
2007 0
2008 2
2009 0
2010 0
2011 0
2012 0
2013 0
2014 0
2015 0
2016 0
2017 0
2018 0
2019 0
2020 0
2021 0
2022 0
2023 0
2024 1
Total 153
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R.W. Hemken 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 R.W. Hemken 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, 129–133 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: 133 publications — 47th percentile

47% 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 89 133
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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R.W. Hemken 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 R.W. Hemken 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, 40 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: 40 D-Index — 64th percentile

64% 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 40
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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Research.com Recognitions

  • 1964 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

R.W. Hemken is affiliated with the University of Kentucky in the United States. Their professional profile is defined by a career in scientific research, although specific details on their fields of study, topics of work, and publication record are limited in available data.

The scientist has been recognized as a Fellow of the American Association for the Advancement of Science (AAAS), an honor received in 1964. This fellowship indicates a level of professional acknowledgment within the scientific community during that period.

Due to limited information on published works, coauthors, and research topics, an in-depth analysis of research contributions or areas of expertise cannot be provided. There are no listed recent papers, frequent coauthors, publication venues, or main topics of study documented in the data available.

The absence of data on book publications and subfields of study further restricts detailed insight into the breadth of their academic involvement. However, their affiliation with a major research university suggests participation in academic activities and research programs associated with that institution.

The available record indicates that R.W. Hemken remains living. No additional information regarding recent research or ongoing projects is present, limiting the current scope of their academic profile.

Best Publications

  • Influence of addition of yeast culture supplement to diets of lactating cows on ruminal fermentation and microbial populations.

    G.A. Harrison;R.W. Hemken;K.A. Dawson;R.J. Harmon

  • Influence of Dietary Cation-Anion Balance on Milk, Blood, Urine, and Rumen Fluid in Lactating Dairy Cattle

    W.B. Tucker;G.A. Harrison;R.W. Hemken

  • Analytical Estimates of Nitrogen Digestibility in Heat Damaged Forages

    H.K. Goering;H.K. Goering;C.H. Gordon;C.H. Gordon;R.W. Hemken;R.W. Hemken;D.R. Waldo;D.R. Waldo

  • Dietary Sodium Bicarbonate and Magnesium Oxide for Early Postpartum Lactating Dairy Cows: Effects of Production, Acid-Based Metabolism, and Digestion

    R.A. Erdman;R.W. Hemken;L.S. Bull

  • Interaction of environmental temperature and anti-quality factors on the severity of summer fescue toxicosis.

    R. W. Hemken;J. A. Boling;L. S. Bull;R. H. Hatton

  • Effects of copper status on neutrophil function, superoxide dismutase, and copper distribution in steers.

    Z. Xin;D.F. Waterman;R.W. Hemken;R.J. Harmon

  • Suppression of milk production during endotoxin-induced mastitis.

    D.E. Shuster;R.J. Harmon;J.A. Jackson;R.W. Hemken

  • Protein Reserves in the Lactating Dairy Cow

    R.L. Botts;R.W. Hemken;L.S. Bull

  • Effect of dietary sodium bicarbonate and magnesium oxide on production and physiology in early lactation.

    R.A. Erdman;R.L. Botts;R.W. Hemken;L.S. Bull

  • Role of sulfur and chloride in the dietary cation-anion balance equation for lactating dairy cattle.

    W B Tucker;W B Tucker;J F Hogue;J F Hogue;D F Waterman;D F Waterman;T S Swenson;T S Swenson

  • Bovine prolactin, TSH, T and T concentrations as affected by tall fescue summer toxicosis and temperature.

    W. L. Hurley;E. M. Convey;K. Leung;L. A. Edgerton

  • Relative susceptibility of forages to heat damage as affected by moisture, temperature, and pH

    H.K. Goering;P.J. Van Soest;R.W. Hemken

  • Toxic Factors in Tall Fescue

    R. W. Hemken;J. A. Jackson;J. A. Boling

  • Copper metabolism of holstein and jersey cows and heifers fed diets high in cupric sulfate or copper proteinate.

    Z. Du;R.W. Hemken;R.J. Harmon

  • Degradation of Supplemental Proteins in the Rumen

    R. A. Zinn;L. S. Bull;R. W. Hemken

  • Summer fescue toxicosis in lactating dairy cows and sheep fed experimental strains of ryegrass-tall fescue hybrids.

    Hemken Rw;Bull Ls;Boling Ja;Kane E

  • Utilization of copper in copper proteinate, copper lysine, and cupric sulfate using the rat as an experimental model.

    Z Du;R W Hemken;J A Jackson;D S Trammell

  • Prevalence of minor udder pathogens after intramammary dry treatment.

    R.J. Harmon;W.L. Crist;R.W. Hemken;B.E. Langlois

  • Reducing Heat Stress in Dairy Cows Through Sprinkler and Fan Cooling

    Unknown

  • Performance of lactating dairy cows fed tall fescue forage.

    S.R. Strahan;R.W. Hemken;J.A. Jackson;R.C. Buckner

  • Summer Fescue Toxicity in Dairy Steers Fed Tall Fescue Seed

    James A. Jackson;R. W. Hemken;J. A. Boling;R. J. Harmon

  • Possible role of beta-carotene in improving fertility in dairy cattle.

    R.W. Hemken;D.H. Bremel

  • Three protein percentages on nitrogen balance, body weight change, milk production and composition of lactating cows during early lactation

    R. C. Sparrow;R. W. Hemken;D. R. Jacobson;F. S. Button

  • Mineral Nutrition, Calcium, Phosphorus, Magnesium, and Potassium Interrelationships

    D.R. Jacobson;R.W. Hemken;F.S. Button;R.H. Hatton

Frequent Co-Authors

Robert J. Harmon
Robert J. Harmon University of Kentucky
Lowell P. Bush
Lowell P. Bush University of Kentucky
Malcolm R. Siegel
Malcolm R. Siegel University of Kentucky
Richard A. Erdman
Richard A. Erdman University of Maryland, College Park
Karl A. Dawson
Karl A. Dawson University of Kentucky
James D. Ferguson
James D. Ferguson University of Pennsylvania
J.G. Linn
J.G. Linn University of Minnesota
William Chalupa
William Chalupa University of Pennsylvania
D.E. Otterby
D.E. Otterby University of Minnesota

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