Currently, 882 rat strains have been deposited to NBRP-Rat and are available for shipping to interested scientists. The figure below summarizes the preservation status of all processed strains; clicking on a bar opens the rat strain search page with all available strains of that category.

→ Search Repository

Please note that the information for each rat strain is primarily derived from the original depositor and not all data have been reviewed and verified by the NBRP team. If you find any mistake or think important information is missing, please contact us.

Strain names in the repository use abbreviations for the background strains. A few examples (the list is not complete):

Last Update: October 28, 2026