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Inbred Strains of Rats: MNRA

MNRA

Inbr. F82+?.

Colour: Albino

Genet. a, c, h.

Origin: Substrain of MNR (see above). To Harrington in 1965 at F25 (Harrington 1981).

Characteristics

Differs from MNR in a number of characteristics (Harrington 1971a,b, 1972, 1979a-1) and carries the a allele at the agouti locus. Fails to habituate to acoustic startle stimulus (Commissaris et al 1988).

Commissaris R. L., Harrington G. M., Baginski T. J., and Altman H. J. (1988) MR/Har and MNRA/Har Maudsley rat strains: differences in acoustic startle habituation. Behav. Genet. 18, 663-669.

Harrington G. M. (1971a) Strain differences among rats initiating exploration of differing environments. Psychon. Sci. 23, 348-349.

Harrington G. M. (1981) The Har strains of rats: Origins and characteristics. Behav. Genet. 11, 445-467.

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