Research models

List of models

Nomenclature: RjHan:WI

Type: Outbred rat
Colour and related genotype: Albino rat, Tyrc/Tyrc
Origin: Zentralinstitut für Versuchstierzucht (Hannover) - 1982 (from Allington Farm - UK - 1964)
Breeding: Good breeder

Fields of research

  • Gerontology
  • Metabolism, nutrition
  • Oncology
  • Physiology

Description of our model

This strain was selected by DONALDSON in 1906 at the Wistar Institute (USA), from a batch belonging to Chicago University (RUSSEL-LINDSAY, 1979).

It’s an outbred stock, used in all fields of medical and biological research. Its longevity and high rate of spontaneous tumours make it an ideal choice for ageing studies.

JANVIER LABS’s aged WISTAR rats are males selected at weaning and kept solely for ageing. They are kept in their original barrier rooms in a controlled environment and health status.

Important notice: our aged WISTAR rats have never been used as breeders.

Our added value

  • The « JANVIER LABS Genetic Policy », a specific programme, guarantees less than 1% inbreeding per generation.
  • Animals with the SPF standards. 
  • A gentling policy for docile and easy-to-handle animals.
  • Optimal stability conditions of our models during shipments, thanks to our dedicated and internal transport service.
  • A scientific support with a team of Veterinarians and PhD.

Download the corresponding health monitoring reports

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