Origin: J. Furth in 1945 from a commercial Wistar stock in an attempt to develop a rat strain with a high incidence of leukemia. To Charles River in 1998 from the National Cancer Institute Animal Production Program (Cr).
Ideal for: Resistant to chronic renal disease, macrothrombocytopenia model, oncology, carcinogenesis, leukemia, grand mal seizure
Coat color: White (albino)
Strain code: This model is cryopreserved