Area 4b Health Report

Nomenclature F344/Arc
Product code F344
Strain Description Inbred
Coat Colour Albino (aBch):
MHC Haplotype RT1lv1
  • Interstitial cell tumours of the testis.
  • Resistant to spontaneous autoimmune thyroiditis.
  • Low incidence of nephritis.
  • The most popular strain of rat for use in carcinogen evaluation, due to relatively low incidence of naturally occurring neoplasms but a relatively high responder to induced neoplasms via chemicals and/or irradiation.
  • Young females are jumpy and don’t like being handled.
F344 Rat