felina, Russian Blue Farbratte

Russian Blue / Russian Blue - the colors of the Rat

Kathrin Guttmann Colors, Knowledge, Breeding & Genetic

Already 1929 describes Roberts 1)Roberts, E. (1929), A BLUE MUTATION IN THE RAT (MUS NORVEGICUS), Science 04 Oct 1929: Vol. 70, Issue 1814, pp. 334 blue rats in a laboratory stock. ...