| Model No. | Nomenclature | Genotype |
|---|---|---|
| LONGEV | SimTac:LE |
Long Evans
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Overview
Nomenclature: SimTac:LE
- Also known as the Hooded rat
- Used for neurological, toxicological and ophthalmologic studies
- Reported higher resistance to respiratory problems than outbred albino rats, making the Long Evans rat the preferred stock for surgical procedures requiring extended use of inhalant anesthetics.
Origin
The Long Evans outbred model was developed by Dr. Long and Dr. Evans in 1915 by intercrossing Wistar Institute white female rats to wild grey male rats. Simonsen Laboratories received stock from the University of California Berkeley in 1949. The rats were derived by embryo transfer in 1975. The rats were derived by embryo transfer in August 1998 by Taconic.
Genetics
Guides & Publications
Applications & Therapeutic Areas
- Immunology
- Safety Assessment
- Inflammation
Transit, Housing & Welfare
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Diet
Data
Average litter size: 11
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