INR

Inbr.F54+?.

Colour: Black hooded.

Genet. a, B, C, h.

Origin: Harrington 1962 from a stock selected by CS Hall for low open field defaecation.

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Characteristics

Good reproductive performance, large litters, docile (Harrington 1981). Short emergence latency from cage in both familiar and novel environment (1/12) (Harrington 1971a), Low open field defaecation in females and high open field ambulation in both sexes (1/12). Low wheel activity and poor complex maze learning (Harrington 1972).

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

Harrington G. M. (1972) Strain differences in open-field behavior of the rat. Psychon. Sci. 27, 51-53.

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

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