Developed by C.C. Little in 1921, from a mating of Miss Abby Lathrop’s stock that also gave rise to strains C57BR and C57L.
Strains 6 and 10 separated about 1937. To The Jackson Laboratory in 1948 from Hall. To NIH in 1951 from The Jackson Laboratory at F32. To Charles River in 1974 from NIH.
Receive your quote directly from Charles River Laboratories.