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D-Index & Metrics

Discipline name D-Index World Ranking National Ranking Publications Citations
Animal Science and Veterinary 46 778 240 176 7970

Duane E. Ullrey publications per year

The chart shows the history of publications by Duane E. Ullrey between 1958 and 2018, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Duane E. Ullrey published across 61 years, from 1958 to 2018, averaging 2.9 papers a year. Output peaked at 11 publications in 1965. 5 of the 179 publications appeared in the last two years.

No. of publications
2 4 6 8 10
Bar chart. Horizontal axis: year, 1958 to 2018. Vertical axis: number of publications, 0 to 11. Peak 11 publications in 1965. 1958: 2 publications 1959: 1 publication 1960: 3 publications 1961: 3 publications 1962: 4 publications 1963: 6 publications 1964: 6 publications 1965: 11 publications 1966: 1 publication 1967: 4 publications 1968: 5 publications 1969: 3 publications 1970: 4 publications 1971: 4 publications 1972: 4 publications 1973: 5 publications 1974: 4 publications 1975: 5 publications 1976: 5 publications 1977: 5 publications 1978: 9 publications 1979: 4 publications 1980: 4 publications 1981: 4 publications 1982: 7 publications 1983: 8 publications 1984: 4 publications 1985: 2 publications 1986: 3 publications 1987: 5 publications 1988: 3 publications 1989: 4 publications 1990: 0 publications 1991: 3 publications 1992: 4 publications 1993: 2 publications 1994: 2 publications 1995: 0 publications 1996: 4 publications 1997: 2 publications 1998: 1 publication 1999: 3 publications 2000: 0 publications 2001: 0 publications 2002: 1 publication 2003: 0 publications 2004: 5 publications 2005: 0 publications 2006: 1 publication 2007: 0 publications 2008: 1 publication 2009: 2 publications 2010: 0 publications 2011: 0 publications 2012: 1 publication 2013: 0 publications 2014: 0 publications 2015: 0 publications 2016: 0 publications 2017: 0 publications 2018: 5 publications
1958 2018

179 publications in total across all disciplines

View publications per year as a table
Duane E. Ullrey: publications per year, 1958 to 2018
Year Publications
1958 2
1959 1
1960 3
1961 3
1962 4
1963 6
1964 6
1965 11
1966 1
1967 4
1968 5
1969 3
1970 4
1971 4
1972 4
1973 5
1974 4
1975 5
1976 5
1977 5
1978 9
1979 4
1980 4
1981 4
1982 7
1983 8
1984 4
1985 2
1986 3
1987 5
1988 3
1989 4
1990 0
1991 3
1992 4
1993 2
1994 2
1995 0
1996 4
1997 2
1998 1
1999 3
2000 0
2001 0
2002 1
2003 0
2004 5
2005 0
2006 1
2007 0
2008 1
2009 2
2010 0
2011 0
2012 1
2013 0
2014 0
2015 0
2016 0
2017 0
2018 5
Total 179
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Duane E. Ullrey 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 Duane E. Ullrey 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, 174–178 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: 176 publications — 67th percentile

67% 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 63 176
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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Duane E. Ullrey 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 Duane E. Ullrey 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, 46 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: 46 D-Index — 76th percentile

76% 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 46
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

  • 1988 - The Morrison Award, American Society of Animal Science
  • 1967 - American Feed Industry Association Award in Nutrition Research, American Society of Animal Science

Overview

Duane E. Ullrey was affiliated with Michigan State University in the United States. Their research contributions focused on animal science, specifically nutrition.

One of the documented recent publications is titled Application of the equation of the curve of diminishing increment to swine nutrition, published in 2024 through the Michigan State University Libraries.

  • V. E. Headley
  • E. R. Miller
  • J. A. Hoefer

Throughout their career, Ullrey collaborated frequently with several coauthors:

  • V. E. Headley
  • E. R. Miller
  • J. A. Hoefer

The primary publication venue associated with their work is Michigan State University Libraries.

Ullrey received notable awards during their career, including:

  • The Morrison Award, American Society of Animal Science (1988)
  • American Feed Industry Association Award in Nutrition Research, American Society of Animal Science (1967)

Their research contributed to advancing knowledge in animal nutrition, with a particular focus on swine, as evidenced by the recent publication.

Best Publications

  • Quantifying Nutrient Requirements of Fish

    Ibrahim H. Zeitoun;Duane E. Ullrey;William T. Magee;John L. Gill

  • Supplemental Microbial Phytase Improves Bioavailability of Dietary Zinc to Weanling Pigs

    Xingen Lei;Pao K. Ku;Elwyn R. Miller;Duane E. Ullrey

  • Selenium, vitamin E and the response to swimming stress in the rat.

    Paul S. Brady;Linda J. Brady;Duane E. Ullrey

  • Calcium level affects the efficacy of supplemental microbial phytase in corn-soybean meal diets of weanling pigs.

    X G Lei;P K Ku;E R Miller;M T Yokoyama

  • Biochemical, skeletal and allometric changes due to zinc deficiency in the baby pig.

    E. R. Miller;R. W. Luecke;D. E. Ullrey;B. V. Baltzer

  • Composition of mare's milk.

    D. E. Ullrey;R. D. Struthers;D. G. Hendricks;B. E. Brent

  • SHEEP HEMATOLOGY FROM BIRTH TO MATURITY. I. ERYTHROCYTE POPULATION, SIZE AND HEMOGLOBIN CONCENTRATION.

    D. E. Ullrey;E. R. Miller;C. H. Long;B. H. Vincent

  • Effect of dietary fiber concentration on apparent digestibility and digesta passage in non-human primates. II. Hindgut- and foregut-fermenting folivores

    Mark S. Edwards;Duane E. Ullrey

  • Digestible and metabolizable energy requirements for winter maintenance of Michigan white-tailed does.

    D. E. Ullrey;W. G. Youatt;H. E. Johnson;L. D. Fay

  • A copper deficiency in neonatal pigs induced by a high zinc maternal diet.

    G. M. Hill;P. K. Ku;E. R. Miller;D. E. Ullrey

  • Protein Requirement of White-Tailed Deer Fawns

    D. E. Ullrey;W. G. Youatt;H. E. Johnson;L. D. Fay

  • Trace Elements in Animal Nutrition

    Elwyn R. Miller;Xingen Lei;Duane E. Ullrey

  • Formulated diets versus seed mixtures for psittacines.

    Duane E. Ullrey;Mary E. Allen;David J. Baer

  • Biochemical and physiological indicators of selenium status in animals.

    Duane E. Ullrey

  • GROWTH OF THE SWINE FETUS.

    Unknown

  • Natural dietary selenium, α-tocopherol and effect on tissue selenium.

    P. K. Ku;W. T. Ely;A. W. Groce;D. E. Ullrey

  • Digestibility of Cedar and Balsam Fir browse for the white-tailed deer.

    D. E. Ullrey;W. G. Youatt;H. E. Johnson;L. D. Fay

  • Concentration of minerals in tissues of pigs from dams fed different levels of dietary zinc.

    G. M. Hill;E. R. Miller;P. A. Whetter;D. E. Ullrey

  • Importance of diet of dam and colostrum to the biological antioxidant status and parenteral iron tolerance of the pig.

    M. J. Loudenslager;P. K. Ku;P. A. Whetter;D. E. Ullrey

  • Swine Hematology from Birth to Maturity. III. Blood Volume of the Nursing Pig

    C. G. Ramirez;E. R. Miller;D. E. Ullrey;J. A. Hoefer

  • Vitamin E for swine.

    Duane E. Ullrey

  • Swine Hematology from Birth to Maturity. I. Serum Protein

    E. R. Miller;D. E. Ullrey;Inge Ackerman;D. A. Schmidt

  • Bioavailability of Nutrients for Animals Clarence B. Ammerman, David H. Baker and Austin J. Lewis / Academic Press, San Diego, CA 92101-4495, 1995, 441 pp., $64.95/ISBN 012-056250-2

    Duane E. Ullrey

Frequent Co-Authors

J. A. Hoefer
J. A. Hoefer Michigan State University
Gretchen M. Hill
Gretchen M. Hill Michigan State University
Werner G. Bergen
Werner G. Bergen Auburn University
Olav T. Oftedal
Olav T. Oftedal Smithsonian Environmental Research Center
Michael F. Holick
Michael F. Holick Boston University
Tai C. Chen
Tai C. Chen Boston University

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Related Online Degrees & Career Pathways

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Additionally, certifications like the Board Certified Behavior Analyst (BCBA) credential are increasingly relevant for those focusing on animal behavior and training. Programs offering bcba accredited programs provide accredited pathways for mastering applied behavior analysis, vital in both veterinary and animal care contexts.

For those interested in psychology and behavioral assessment, understanding developmental and educational aspects can complement animal science expertise. Programs such as nasp approved online school psychology programs focus on developmental psychology principles, which can enrich understanding of animal learning and interaction.

Finally, advanced clinical training through apa accredited psyd programs online allows students to gain in-depth expertise in psychological health, which can be adapted for roles in animal-assisted therapy and veterinary mental health services.

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