inbred strain

https://doi.org/10.1351/goldbook.10844
Strain of an animal that has been inbred by brother-sister matings for more than \(\pu{20}\) generations, and consequently all the individuals of the strain are more than \(\pu{98\%}\) genetically identical.
Source:
PAC, 2016, 88, 713. (Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)) on page 768 [Terms] [Paper]