Your contribution
to better science is an online registry for scientific studies involving animals conducted around the world. It is operated by the German Centre for the Protection of Laboratory Animals (Bf3R) at the German Federal Institute for Risk Assessment (BfR). The registry was launched as a reaction to the translational and reproducibility crisis and provides scientists a platform to register an exact study plan prior to the start of experiments in order to prevent selective reporting. This allows reviewers or other scientists to compare the initially registered contents with the final publication. Thereby, encourages transparency, reproducibility, and animal welfare.

You want to learn more about us?

Go to our About site and learn more about preregistration in animal research.

You are looking for a preregistered study?

Browse through our registry and find your study of interest.

You still have some questions?

Check our FAQ or contact us for any further questions.

You want to preregister your study?

To register your study you need to have an account. Login or register as a new user.


Our registration process


Ensuring Reproducible Research Requires a Support Infrastructure: The Value of Public Registries to Publishers. Olevska et al., Science Editor 2021 Feb 9; 44:4-7.

Latest News at the EUSAAT Congress 2022


Don’t miss our talk at the EUSAAT Congress 2022 in Linz, Austria. In the session Preregistration and Best Practice on Monday September 26, we will talk about the state of preregistration in animal research. We are thrilled to meet and discuss with other scientists working on the 3R!

New look, new features


We have updated our! Enjoy our new design and discover our new features. Have a look at our new Search function and browse through registered studies. You have finished your study and you want to connect data or results to your preregistration? Try our new update-function and upload documents at any time. Stay up to date with our News site and join us at one of our next talks.