|Common name||Sprague Dawley|
|Synonyms||CD(SD), CD (Sprague Dawley), SD|
- 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)|
|3||33 - 74||31 - 79|
|4||55 - 111||63 - 127|
|5||92 - 180||113 - 164|
|6||134 - 236||118 - 197|
|7||166 - 259||135 - 229|
|8||256 - 343||149 - 254|
|9||262 - 363||165 - 281|
|10||313 - 453||176 - 298|
|11||347 - 497||182 - 338|
|12||387 - 518||192 - 322|
|13||371 - 558||261 - 331|
|14||376 - 586||232 - 367|
- Rat images are representative only. Actual phenotypes may vary based on genotype, sex, age, husbandry, health status, and other factors.