Long-Evans Rat Details
Originated by Drs. Long and Evans in 1915 by crossing several Wistar Institute white females with a wild gray male. To Charles River from Canadian Breeding Farm and Laboratories in 1978. To Charles River Italy in 2014.

LOCATION: Kingston
UNIT: K71
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Long-Evans Rat Details
Originated by Drs. Long and Evans in 1915 by crossing several Wistar Institute white females with a wild gray male. To Charles River from Canadian Breeding Farm and Laboratories in 1978. To Charles River Italy in 2014.

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.
UNIT: A001
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Advancing Preclinical Research with the Rat Model
This presentation will explore how the unique physiological characteristics of rats provide translational value across multiple therapeutic areas and best practices for husbandry that optimizes both welfare and experimental reproducibility. Watch Webinar Replay
