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Inbred Strains of Mice: BT


Inbr. F??. Resistant to teratogenic effects (cleft palate) of cortisone acetate (1/6) (Kalter 1981). Not related to BT/Os. Possibly extinct.


Inbr: F35 +. Black and tan. Genet: at . Origin: One pair of albino mice from dealer in Gifu Prefecture. Inbreeding started in 1951. Cross made with C57BL/6 in 1954, with subsequent selection for the black colour (Tajima, 1968).


High incidence of spontaneous mammary tumours (70%), high incidence of gastric tumours following methylcholanthrene by gavage (1/5), and highly sensitive to skin carcinogenesis (Akamatsu and Barton, 1974). (NOTE: Strain BT/Kt is unrelated to this strain.).

Tajima Y. (1968) Stansardized nomenclature for inbred strains of mice. Experimental animals in cancer research. Japanese Cancer Association Gann Monograph 5, 123-128. \par

Updated 9 Apr. 1998
Michael FW Festing
MRC Toxicology Unit, Hodgkin Building,
University of Leicester, UK

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