Science Explorer Interactive view Map

R. R. Oltjen

R. R. Oltjen publishes mostly in Animal Science and Zoology, Agronomy and Crop Science and Nutrition and Dietetics, on topics such as Ruminant Nutrition and Digestive Physiology, Meat and Animal Product Quality and Pharmacological Effects and Assays.

World rank
#417,652
of 1,633,909 ranked researchers
Rank in United States
#145,883
of 358,040
Works
19
Citations
95
Citations per work
5.0

What does R. R. Oltjen research?

Animal Science and Zoology: 26.9%Agronomy and Crop Science: 19.2%Nutrition and Dietetics: 15.4%Mechanical Engineering: 7.7%other fields: 30.8%27%top field
Animal Science and Zoology26.9%Agronomy and Crop Science19.2%Nutrition and Dietetics15.4%Mechanical Engineering7.7%other fields30.8%

Shares of their own output, by the field each of their topics belongs to. The grey slice is everything not listed.

  1. 1Animal Science and Zoology27% of their works
  2. 2Agronomy and Crop Science19% of their works
  3. 3Nutrition and Dietetics15% of their works
  4. 4Mechanical Engineering8% of their works
  5. 5General Health Professions8% of their works
  6. 6Small Animals8% of their works

Research topics

Which keywords describe R. R. Oltjen's research?

The keywords of their largest research topics: Meat Quality, Methane Production, Ruminant Nutrition, Lipid Oxidation, Protein Oxidation, Cardiovascular Disease, Clenbuterol and Dairy Cattle.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most.

All 19 words, with their numbers
  1. Meat Quality52 topics
  2. Methane Production41 topic
  3. Ruminant Nutrition41 topic
  4. Lipid Oxidation31 topic
  5. Protein Oxidation31 topic
  6. Cardiovascular Disease21 topic
  7. Clenbuterol21 topic
  8. Dairy Cattle22 topics
  9. Heat Stress22 topics
  10. Omega-3 Fatty Acids21 topic
  11. Ractopamine21 topic
  12. Amino Acids11 topic
  13. Climate Change11 topic
  14. Gut Microbiota11 topic
  15. Humic Substances11 topic
  16. Livestock Production11 topic
  17. Reproductive Loss11 topic
  18. Shilajit11 topic
  19. Uterine Disease11 topic

Where does R. R. Oltjen work?

R. R. Oltjen's main affiliation in the publication record is United States Department of Agriculture, United States.

How many publications and citations does R. R. Oltjen have?

Science Explorer counts 19 works and 95 citations for R. R. Oltjen, ranking #417,652 of 1,633,909 researchers worldwide on the composite score.

Ranked on field-normalised excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Papers, co-authors, who cited this work and researchers on the nearest topics are in the interactive view on the map. Is this your page? Request a correction or removal.