Wild Caught vs Inbred Mouse Strains: Differences in Wheel-Turn Avoidance Learning

Dominic Zerbolio, University of Missouri-St. Louis


Three Bar Harbor inbred mouse strains; C57BL/6J, C3H/HeJ, and DBA/2J, and two wild caught but laboratory bred Peromyscus strains; P. leucopus and P. maniculatus bairdi, were compared over 8 days of acquisition training on a wheel-turn avoidance task. In the acquisition of the conditioned avoidance response, the Bar Harbor inbreds did not differ but were, as a group, significantly better than the wild caught strains. Differences in activity rate were also apparent, but do not account for the differences in avoidance performance.


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