Projects per year
Personal profile
Research
Agrobiologist with specialization in quantitative genetics and great interest in the green transition of the global food production. My research is focused on the development of genetic tools for improving feed efficiency and mitigating greenhouse gases from cattle, through systematic breeding.
Cooperation and dissemination
I am a member of the ICAR working group "Feed & Gas", which aims to set global standards for recording and quality control of data for feed intake and gas emissions from cattle, as input in breeding value evaluations.
https://www.icar.org/index.php/technical-bodies/working-groups/working-groupsfeed-and-gas/
Areas of expertise
- Quantitative genetics
- Cattle breeding
- Novel phenotypes
- Feed efficiency
- Methane emission
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Collaborations and top research areas from the last five years
Projects
- 1 Finished
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Improvement of feed efficiency in cattle through genomics and phenomics
Stephansen, R. B. (PI)
01/08/2021 → 31/07/2024
Project: Research
Research output
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Modeling Feed Efficiency over Productive Lifetime and Integrating a Sub-Model for Body Reserve Management in Nordic Dairy Cattle
Stephansen, R. B., Lassen, J., Thorup, V. M., Poulsen, B. G., Jensen, J., Sahana, G. & Christensen, O. F., Feb 2025, In: Journal of Dairy Science. 108, 2, p. 1757-1777 21 p.Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review
Open Access -
Ensemble Learner Enhances Prediction Accuracies for Extreme Body Condition Classes in Jersey Dairy Cattle in a 3D Image High-Throughput System
Stephansen, R. B., Gebreyesus, G., Sahana, G. & Lassen, J., 2024, Book of Abstracts of the 75th Annual Meeting of the European Federation of Animal Science. EAAP, p. 399 1 p. (EAAP Book of Abstracts; No. 34).Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research › peer-review
Open Access -
Estimation of genetic parameters for feed efficiency traits using random regression models in dairy cattle
Houlahan, K., Schenkel, F. S., Miglior, F., Jamrozik, J., Stephansen, R. B., González-Recio, O., Charfeddine, N., Segelke, D., Butty, A. M., Stratz, P., VandeHaar, M. J., Tempelman, R. J., Weigel, K., White, H., Peñagaricano, F., Koltes, J. E., Santos, J. E. P., Baldwin, R. L. & Baes, C. F., Mar 2024, In: Journal of Dairy Science. 107, 3, p. 1523-1534 12 p.Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review
Open Access3 Citations (Scopus) -
Genetic Improvement of Feed Efficiency in Dairy Cattle
Stephansen, R. B., 2024, 215 p.Research output: Book/anthology/dissertation/report › Ph.D. thesis
Open AccessFile16 Downloads (Pure) -
Genetic selection for lower methane emission in dairy cattle – ready for implementation?
Gredler-Grandl, B., Finocchiaro, R., Benzoni, L., Baes, C. F., Pryce, J. E., Stephansen, R. B., Bakke, K., Lassen, J., Frizzarin, M., Krattenmacher, N. & Richardson, C., 2024, ICAR 2024 Proceedings.Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research › peer-review
Activities
- 3 Lecture and oral contribution
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Methane and Feed Efficiency – Exploiting Genetics to Mitigate the Environmental Footprint of Dairy Cattle
Stephansen, R. B. (Lecturer) & Schneider, H. H. (Lecturer)
5 Dec 2024Activity: Presentations, memberships, ownership and other activities › Lecture and oral contribution
File -
Reducing methane in dairy cattle Danish approach
Villumsen, T. M. (Other), Schneider, H. H. (Other), Milkevych, V. (Other), Løvendahl, P. (Other), Stephansen, R. B. (Lecturer) & Sahana, G. (Other)
18 Nov 2024Activity: Presentations, memberships, ownership and other activities › Lecture and oral contribution
File -
Genetic improvement of feed efficiency using research and camera data
Stephansen, R. B. (Lecturer)
18 Nov 2024Activity: Presentations, memberships, ownership and other activities › Lecture and oral contribution
File