Taconic received the Swiss Webster outbred model from the Rockefeller Institute through Rockland Farms, Inc. in 1940. The mice have been maintained as a closed colony since 1951. The mice were derived by caesarean from randomly chosen breeders and reintroduced into a Barrier Nucleus Expansion Colony in 1965-1969. The mice were derived by caesarean in 1983 from randomly chosen breeders from all Taconic's barrier units.
Taconic's outbred colony is known to carry the recessive mutation, Pde6brd1
Pre-Weanling Body Weights in Grams
|# Pups in Litter||8||10||11||13|
|# of Litters Observed||1||2||2||3|
|Days of Age|