NCIt definition : Derived from Buffalo stock of H. Morris to the NIH in 1950 and disseminated from Charles
River since 1998, the Buffalo is a white albino rat, genotype c. The incidence of
spontaneous tumor formation includes anterior pituitary and adrenal cortex in upwards
of 30% of aged rats. The Buffalo rat is used most commonly in oncology and carcinogenesis
research. Low incidence of dental caries. Spontaneous tumors of anterior pituitary
30%, and of adrenal cortex 25% in older animals. Survival 58% at 2 years of age with
thyroid carcinoma in 25% (Lindsey et al 1968). Low incidence of renal neoplasms (Snell
1967). High incidence of tumors of the anterior pituitary, adrenal medulla and adrenal
cortex in animals over 18 months old (Snell1965).;
Alternative definition : CDISC: Derived from Buffalo stock of H. Morris to the NIH in 1950 and disseminated
from Charles River since 1998, the Buffalo is a white albino rat, genotype c.;