Sprague Dawley

Sprague Dawley

Sprague Dawley

Strain details
Nomenclature OzarcCrl:CD(SD)IGS
Common nameSprague Dawley
SynonymsCD(SD), CD (Sprague Dawley), SD
StrainOutbred
Coat colourAlbino
SpeciesRat
Genetic background-
LocationArea Oz4
Weekly wean target150 males,150 females

Strain description

  • Animals are docile.
  • Females are good foster mothers.
  • Mammary tumours are common in older females.
  • Popular rat to function as foster parents in caesarean procedures.
  • Intelligent rat, thus popular model for psychology tests.
  • Tendency to become very fat with age.
  • Barbering when older than 8 weeks of age.
  • Originated in 1925 by Robert W. Dawley from a hybrid hooded male and a female Wistar rat. To Charles River in 1950 from Sprague Dawley, Inc.
  • Charles River Breeding Laboratories obtained the stock after CRL had re- established an International Genetic Standard colony.
  • Received as CD stock from Charles River Breeding Laboratories, (April 1999) as SPF stock. Passed directly into the SPF barrier after quarantine in flexible film isolator to verify SPF status.
  • Stock strain is transferred to Ozgene ARC from Animal Resource Centre (ARC), Western Australia in 2023.
  • Animal is a multipurpose model that can be used in fields such as toxicology (safety and efficacy testing), aging and oncology.
Sprague Dawley (OzarcCrl:CD(SD) IGS)
WKSMALEFEMALE
333 - 7431 - 79
4
55 - 11163 - 127
592 - 180113 - 164
6134 - 236118 - 197
7166 - 259135 - 229
8256 - 343149 - 254
9262 - 363165 - 281
10313 - 453176 - 298
11347 - 497182 - 338
12387 - 518192 - 322
13371 - 558261 - 331
14376 - 586232 - 367

Past ARC reports:

Current Ozgene ARC reports (from 01-Jun-2023)

  • Rat images are representative only. Actual phenotypes may vary based on genotype, sex, age, husbandry, health status, and other factors.