Fischer 344 Rat Details
From mating #344 of rats purchased from a local breeder (Fischer). The colony was originated by M. R. Curtis, Columbia University in 1920. To the Germ-Free Animal Laboratory at CNRS, Gif-sur-Yvette, France from the Lobund Institute, University of Notre-Dame, South Bend, Indiana, U.S.A. Subsequently introduced to Charles River France in 1970 as an axenic colony.
Growth chart data should be used as a guideline only.
The shaded areas on each chart are the mean weight plus or minus one standard deviation at a given age averaged across all production facilities. This represents approximately 67% of the population, with the remaining 33% falling outside of this weight range.
Download the Report