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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 41 1061 980 319 275 127 6994

Clarence Alan Rotz publications per year

The chart shows the history of publications by Clarence Alan Rotz between 1978 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Clarence Alan Rotz published across 48 years, from 1978 to 2025, averaging 4.1 papers a year. Output peaked at 11 publications in 2018. 7 of the 199 publications appeared in the last two years.

No. of publications
2 4 6 8 10
Bar chart. Horizontal axis: year, 1978 to 2025. Vertical axis: number of publications, 0 to 11. Peak 11 publications in 2018. 1978: 1 publication 1979: 3 publications 1980: 0 publications 1981: 0 publications 1982: 4 publications 1983: 3 publications 1984: 3 publications 1985: 4 publications 1986: 2 publications 1987: 4 publications 1988: 3 publications 1989: 4 publications 1990: 4 publications 1991: 2 publications 1992: 3 publications 1993: 1 publication 1994: 2 publications 1995: 4 publications 1996: 2 publications 1997: 1 publication 1998: 1 publication 1999: 3 publications 2000: 0 publications 2001: 5 publications 2002: 4 publications 2003: 3 publications 2004: 3 publications 2005: 6 publications 2006: 2 publications 2007: 7 publications 2008: 6 publications 2009: 9 publications 2010: 7 publications 2011: 2 publications 2012: 4 publications 2013: 8 publications 2014: 6 publications 2015: 9 publications 2016: 7 publications 2017: 10 publications 2018: 11 publications 2019: 5 publications 2020: 10 publications 2021: 5 publications 2022: 5 publications 2023: 4 publications 2024: 5 publications 2025: 2 publications
1978 2025

199 publications in total across all disciplines

View publications per year as a table
Clarence Alan Rotz: publications per year, 1978 to 2025
Year Publications
1978 1
1979 3
1980 0
1981 0
1982 4
1983 3
1984 3
1985 4
1986 2
1987 4
1988 3
1989 4
1990 4
1991 2
1992 3
1993 1
1994 2
1995 4
1996 2
1997 1
1998 1
1999 3
2000 0
2001 5
2002 4
2003 3
2004 3
2005 6
2006 2
2007 7
2008 6
2009 9
2010 7
2011 2
2012 4
2013 8
2014 6
2015 9
2016 7
2017 10
2018 11
2019 5
2020 10
2021 5
2022 5
2023 4
2024 5
2025 2
Total 199
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Clarence Alan Rotz 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 Clarence Alan Rotz 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, 124–128 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: 127 publications — 44th percentile

44% 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 93 127
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
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Clarence Alan Rotz 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 Clarence Alan Rotz 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, 41 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: 41 D-Index — 67th percentile

67% 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 41
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

Clarence Alan Rotz is a researcher affiliated with the Agricultural Research Service in the United States. Their research primarily focuses on environmental science and agricultural and biological sciences, with a significant contribution to several subfields including ecology, global and planetary change, environmental chemistry, soil science, and agronomy and crop science.

The scientist's main research topics cover agriculture sustainability and environmental impact, soil and water nutrient dynamics, ruminant nutrition and digestive physiology, soil carbon and nitrogen dynamics, environmental impact and sustainability, odor and emission control technologies, and anaerobic digestion and biogas production.

Their recent publications demonstrate a consistent focus on environmental assessments related to dairy and beef production systems. Notable papers include:

  • Regional environmental assessment of dairy farms, 2020, Journal of Dairy Science
  • Beef Production in the Southwestern United States: Strategies Toward Sustainability, 2020, Frontiers in Sustainable Food Systems
  • Current state of enteric methane and the carbon footprint of beef and dairy cattle in the United States, 2021, Animal Frontiers
  • A comprehensive environmental assessment of beef production and consumption in the United States, 2023, Journal of Cleaner Production
  • An environmental assessment of grass-based dairy production in the northeastern United States, 2020, Agricultural Systems

Collaborations have been a notable aspect of their career, frequently co-authoring with several researchers including Sheri Spiegal, Peter J. A. Kleinman, Greg Thoma, Craig A Gifford, and April B. Leytem.

The scientist has published extensively in several key academic journals, especially the Journal of Dairy Science and Agricultural Systems, which represent the majority of their work. Other frequent publication venues include the Journal of Environmental Quality, Transactions of the ASABE, and SSRN Electronic Journal.

Best Publications

  • Management to reduce nitrogen losses in animal production.

    C. A. Rotz

  • Technical options for the mitigation of direct methane and nitrous oxide emissions from livestock: a review

    P.J. Gerber;A.N. Hristov;B.L. Henderson;H.P.S. Makkar

  • The carbon footprint of dairy production systems through partial life cycle assessment

    C.A. Rotz;F. Montes;D.S. Chianese

  • Changes in Forage Quality During Harvest and Storage

    C. Alan Rotz;Richard E. Muck

  • Estimating Forage Mass with a Commercial Capacitance Meter, Rising Plate Meter, and Pasture Ruler

    Matt A. Sanderson;C. Alan Rotz;Stanley W. Fultz;Edward B. Rayburn

  • Nitrogen use efficiency: A potential performance indicator and policy tool for dairy farms

    J.M. Powell;C.J.P. Gourley;C.A. Rotz;D.M. Weaver

  • Whole-farm perspectives of nutrient flows in grassland agriculture

    C. A. Rotz;F. Taube;M. P. Russelle;J. Oenema

  • Automatic milking systems, farm size, and milk production.

    C.A. Rotz;C.U. Coiner;K.J. Soder

  • Feeding strategy, nitrogen cycling, and profitability of dairy farms.

    C.A. Rotz;L.D. Satter;D.R. Mertens;R.E. Muck

  • Carbon footprint and ammonia emissions of California beef production systems

    K. R. Stackhouse-Lawson;C. A. Rotz;J. W. Oltjen;F. M. Mitloehner

  • A dairy herd model for use in whole farm simulations.

    C.A. Rotz;D.R. Mertens;D.R. Buckmaster;M.S. Allen

  • Losses and Quality Changes During Alfalfa Hay Harvest and Storage

    Clarence Alan Rotz;S. M. Abrams

  • Emission of volatile organic compounds from silage: Compounds, sources, and implications

    Sasha D. Hafner;Cody Howard;Richard E. Muck;Roberta B. Franco

  • The challenges - and some solutions - to process-based modelling of grazed agricultural systems

    V.O. Snow;C.A. Rotz;A.D. Moore;R. Martin-Clouaire

  • A beef herd model for simulating feed intake, animal performance, and manure excretion in farm systems

    C. A. Rotz;D. R. Buckmaster;J. W. Comerford

  • A case study of the potential environmental impacts of different dairy production systems in Georgia

    Jeff B. Belflower;John K. Bernard;David K. Gattie;Dennis W. Hancock

  • WHOLE-FARM GREENHOUSE GAS EMISSIONS: A REVIEW WITH APPLICATION TO A PENNSYLVANIA DAIRY FARM

    Dawn Sedorovich Chianese;Clarence Alan Rotz;Thomas Lehman Richard

  • Production and feeding strategies for phosphorus management on dairy farms.

    C.A. Rotz;A.N. Sharpley;L.D. Satter;W.J. Gburek

  • Measures of Nitrogen Use Efficiency and Nitrogen Loss from Dairy Production Systems

    J. M. Powell;C. A. Rotz

  • A Model of Alfalfa Hay Storage

    D. R. Buckmaster;C. A. Rotz;D. R. Martens

  • Simulation of Methane Emissions from Dairy Farms to Assess Greenhouse Gas Reduction Strategies

    D. S. Chianese;C. A. Rotz;T. L. Richard

  • Climate change effects on livestock in the Northeast US and strategies for adaptation

    A. N. Hristov;A. T. Degaetano;C. A. Rotz;E. Hoberg

  • Simulation of Carbon Dioxide Emissions from Dairy Farms to Assess Greenhouse Gas Reduction Strategies

    D. S. Chianese;Clarence Alan Rotz;Thomas Lehman Richard

  • Cradle-to-farm gate environmental footprints of beef cattle production in Kansas, Oklahoma, and Texas.

    C. A. Rotz;S. Asem-Hiablie;J. Dillon;H. Bonifacio

  • Value of alfalfa losses on dairy farms

    D. R. Buckmaster;C. A. Rotz;J. R. Black

  • A Comprehensive Model of Forage Changes in the Silo

    D. R. Buckmaster;Clarence Alan Rotz;R. E. Muck

  • DAFOSYM: A Model of the Dairy Forage System

    C. A. Rotz;J. R. Black;D. R. Mertens;D. R. Buckmaster

Frequent Co-Authors

Tom L. Richard
Tom L. Richard Pennsylvania State University
Frank M. Mitloehner
Frank M. Mitloehner University of California, Davis
Peter J. A. Kleinman
Peter J. A. Kleinman Agricultural Research Service
Michael S. Allen
Michael S. Allen Michigan State University
J. M. Powell
J. M. Powell Agricultural Research Service
Charles W. Rice
Charles W. Rice Kansas State University
Friedhelm Taube
Friedhelm Taube Kiel University
Richard T. Conant
Richard T. Conant Colorado State University
James W. Oltjen
James W. Oltjen University of California, Davis
David R. Mertens
David R. Mertens Agricultural Research Service

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