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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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, EAAP 2024 Book of Abstracts. p. 399 1 p.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 Access -
Genomic Prediction of Genetic Residual Feed Intake Integrating a Novel Energy Sink for Change in Body Reserves
Stephansen, R. B., Lassen, J., Thorup, V. M., Poulsen, B. G., Jensen, J., Sahana, G. & Christensen, O. F., 2024, Proceedings of the 2024 Interbull Meeting. 60 ed.Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research › peer-review
Open Access -
Review: Improving residual feed intake modelling in the context of nutritional- and genetic studies for dairy cattle
Stephansen, R. B., Martin, P., Manzanilla-Pech, C. I. V., Giagnoni, G., Madsen, M. D., Ducrocq, V., Weisbjerg, M. R., Lassen, J. & Friggens, N. C., Sept 2024, In: ANIMAL. 18, 9, 101268.Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Review › Research › peer-review
Open Access -
Single-step genomic prediction models for metabolic body weight in Nordic Holstein, Red dairy cattle, and Jersey
Kempe, R. M., Koivula, M., Pitkänen, T. J., Stephansen, R. B., Pösö, J., Nielsen, U. S., Fikse, W. F., Aamand, G. P. & Lidauer, M. H., 2024, Proceedings of the 2024 Interbull Meeting. 60 ed.Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research › peer-review
Open Access