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University · Rennes · France

Institut Agro Rennes-Angers

In research, Institut Agro Rennes-Angers stands highest in Agricultural and Biological Sciences (#1,852 of 3,409 worldwide), Life Sciences (#6,061 of 7,800 worldwide) and Physical Sciences (#11,192 of 12,888 worldwide), 2022–2025. Relative to its size it is most specialised in Animal Science and Zoology, Ecology, Evolution, Behavior and Systematics and Agricultural and Biological Sciences — Animal Science and Zoology is 30.2× its share of world research.

institut-agro-rennes-angers.frROR OpenAlex
World rank, 2022–2025
#14,357
of 28,054 · #7,584 all time
Rank in France
#610
of 1,422
Research works
3.3k
▼ 19% vs 2013–17
Citations
67k
20.4 per fractional work
Top-10% rate
9.5%
record average 16.5%
Open access
42%
world 28%

What is Institut Agro Rennes-Angers known for in research?

The fields where it stands highest, 2022–2025, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
Agricultural and Biological SciencesField #1,852 of 3,409 11.9%157 #744
Life SciencesDomain #6,061 of 7,800 11.7%196 #3693
Physical SciencesDomain #11,192 of 12,888 9.8%99 #9395

Each strip is that field’s whole ranked pool, with the notch where Institut Agro Rennes-Angers sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no world mark, because the world rate differs by field (from about 6% to 21% in this record).

Which of those standings moved

The same fields on both windows: where it stood over the whole record, and where it stands in 2022–2025. The distance is the story, and it is the one thing the two rank columns above cannot show.

  1. Agricultural and Biological Sciences#744 #1,852
  2. Life Sciences#3,693 #6,061
  3. Physical Sciences#9,395 #11,192
all time2022–2025, better2022–2025, worse

A dot further right is a better standing. Fields it was not ranked in over the whole record are left out.

What does Institut Agro Rennes-Angers specialise in?

Where its research is concentrated relative to its size: Animal Science and Zoology takes 30.2× the share of its output that it takes of world research.

  1. Animal Science and ZoologySubfield · 26.3 works30×
  2. Ecology, Evolution, Behavior and SystematicsSubfield · 32.6 works18×
  3. Agricultural and Biological SciencesField · 156.6 works8.3×
← less than its size predicts1×more →

Location quotient, a volume reading rather than an impact one. It surfaces small, lopsided specialities.

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 8.34× its world share, 157 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.69× its world share, 36 worksBiochemistry, Geneti…Immunology and Microbiology: 0.42× its world share, 2 worksImmunology and Micro…Neuroscience: 0.25× its world share, 2 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.23× its world share, 0 worksPharmacology, Toxico…Chemical Engineering: 1.49× its world share, 2 worksChemical EngineeringChemistry: 0.97× its world share, 6 worksChemistryComputer Science: 0.21× its world share, 6 worksComputer ScienceEarth and Planetary Sciences: 0.63× its world share, 4 worksEarth and Planetary …Energy: 0.25× its world share, 1 worksEnergyEngineering: 0.26× its world share, 15 worksEngineeringEnvironmental Science: 2.87× its world share, 56 worksEnvironmental ScienceMaterials Science: 0.22× its world share, 3 worksMaterials ScienceMathematics: 0.24× its world share, 1 worksMathematicsPhysics and Astronomy: 0.50× its world share, 4 worksPhysics and AstronomyHealth Professions: 0.40× its world share, 4 worksHealth ProfessionsMedicine: 0.22× its world share, 17 worksMedicineNursing: 3.47× its world share, 7 worksNursingVeterinary: 24.31× its world share, 13 worksVeterinaryArts and Humanities: 0.61× its world share, 7 worksArts and HumanitiesBusiness, Management and Accounting: 0.66× its world share, 8 worksBusiness, Management…Decision Sciences: 0.46× its world share, 2 worksDecision SciencesEconomics, Econometrics and Finance: 0.39× its world share, 3 worksEconomics, Econometr…Psychology: 0.55× its world share, 7 worksPsychologySocial Sciences: 0.64× its world share, 32 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Veterinary, 24.3×. Every wedge is a field page.

Who are the top researchers at Institut Agro Rennes-Angers?

Ranked on the composite score, Claudine Thénail, Sébastien Lê and Michel Legret lead among researchers whose main affiliation is Institut Agro Rennes-Angers.

  1. 1 Claudine Thénail France · #65,303 worldwide 129 citations · 48 works
  2. 2 Sébastien Lê France · #120,951 worldwide 293 citations · 26 works
  3. 3 Michel Legret France · #200,008 worldwide 103 citations · 25 works
  4. 4 Jérôme Pagès France · #206,039 worldwide 134 citations · 23 works
  5. 5 Louis‐Pascal Mahé France · #317,979 worldwide 22 citations · 26 works
  6. 6 Christine Largouët France · #486,958 worldwide 115 citations · 17 works
  7. 7 Étienne Rivot France · #533,524 worldwide 109 citations · 49 works
  8. 8 Hervé Le Bris France · #645,445 worldwide 95 citations · 44 works
  9. 9 N. Dorion France · #658,426 worldwide 40 citations · 15 works
  10. 10 Marie Nevoux France · #743,513 worldwide 51 citations · 33 works
All ranked researchers at Institut Agro Rennes-Angers

Which keywords describe research at Institut Agro Rennes-Angers?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Climate Change, Sustainability, Adaptation, Smallholder Farmers, Livestock Farming, Multifunctionality, Agroecology and Agricultural Development.

▲ more of its work than of the world’s◆ about the world’s share▼ less than the world’s

Size is fractional works in 2022–2025 in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Climate Change75▲ 7.1×63 topics
  2. Sustainability52▲ 5.4×47 topics
  3. Adaptation30▲ 26×8 topics
  4. Smallholder Farmers29▲ 33×5 topics
  5. Livestock Farming29▲ 119×3 topics
  6. Agroecology27▲ 48×4 topics
  7. Multifunctionality27▲ 137×2 topics
  8. Agricultural Development27▲ 41×4 topics
  9. Diversity26▲ 38×3 topics
  10. Work Organization26▲ 152×1 topic
  11. Environmental Impact25▲ 3.7×32 topics
  12. Sustainable Development18▲ 3.0×10 topics
  13. Animal Welfare17▲ 50×4 topics
  14. Heat Stress14▲ 46×2 topics
  15. Livestock Production14▲ 36×3 topics
  16. Community Engagement14▲ 10×3 topics
  17. Territorial Governance14▲ 27×3 topics
  18. Local Development13▲ 30×2 topics
  19. Biodiversity13▲ 4.4×24 topics
  20. Public Policy13▲ 6.5×4 topics
  21. Social Justice12▲ 5.4×3 topics
  22. Genetic Diversity12▲ 7.0×16 topics
  23. Health Effects12▲ 5.0×14 topics
  24. Citizen Participation12▲ 24×1 topic
  25. Consumer Perception12▲ 14×5 topics
  26. Environmental Participation12▲ 38×1 topic
  27. Food Security11▲ 5.2×17 topics
  28. Antioxidants11▲ 6.3×6 topics
  29. Emotional State11▲ 92×1 topic
  30. Stress Indicators11▲ 92×1 topic
  31. Probiotics11▲ 12×4 topics
  32. Lipid Oxidation11▲ 27×2 topics
  33. Gut Microbiota11▲ 7.8×6 topics
  34. Amino Acids10▲ 28×2 topics
  35. Ecosystem Services10▲ 6.9×10 topics
  36. Sustainable Agriculture10▲ 8.3×12 topics
  37. Greenhouse Gas Emissions10▲ 9.4×6 topics
  38. Modified Atmosphere Packaging10▲ 29×2 topics
  39. Meat Quality10▲ 31×3 topics
  40. Intestinal Barrier9▲ 29×2 topics

Which research topics does Institut Agro Rennes-Angers publish most on?

By volume in 2022–2025: Agriculture and Rural Development Research, French Urban and Social Studies, Animal Behavior and Welfare Studies and Animal Nutrition and Physiology.

Agriculture and Rural De…26Agriculture and Rural Development Research: 26 fractional worksFrench Urban and Social …12French Urban and Social Studies: 12 fractional worksAnimal Behavior and Welf…11Animal Behavior and Welfare Studies: 11 fractional worksAnimal Nutrition and Physiology: 9 fractional worksMeat and Animal Product Quality: 8 fractional worksAgriculture Sustainabili…8Agriculture Sustainability and Environmental Impact: 8 fractional worksGenetic and phenotypic traits in livestock: 7 fractional worksEffects of Environmental Stressors on Livestock: 5 fractional worksHorticultural and Viticultural Research: 4 fractional worksPlant Pathogens and Fungal Diseases: 4 fractional works
Ecology, Evolution, Behavior and SystematicsSociology and Political ScienceSmall AnimalsAnimal Science and Zoology4 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Agriculture and Rural Development Research Ecology, Evolution, Behavior and Systematics 26 works
  2. 2 French Urban and Social Studies Sociology and Political Science 12 works
  3. 3 Animal Behavior and Welfare Studies Small Animals 11 works
  4. 4 Animal Nutrition and Physiology Animal Science and Zoology 9 works
  5. 5 Meat and Animal Product Quality Animal Science and Zoology 8 works
  6. 6 Agriculture Sustainability and Environmental Impact Ecology 8 works
  7. 7 Genetic and phenotypic traits in livestock Genetics 7 works
  8. 8 Effects of Environmental Stressors on Livestock Animal Science and Zoology 5 works
  9. 9 Horticultural and Viticultural Research Plant Science 4 works
  10. 10 Plant Pathogens and Fungal Diseases Cell Biology 4 works

How open and international is its research?

Against the world’s own shares — the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available42.3%not open57.7%

World: 28% of research is openly available.

with international co-authors20.3%domestic only79.7%

World: 19% is written across borders.

How has Institut Agro Rennes-Angers's research output changed?

Output in 2018–2022 was 19% lower than in 2013–2017.

1990200020102020
grewheldshrank

The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.

Other research institutions in Rennes

All research institutions in Rennes

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners are in the interactive view on the map.