The aim of the study was to analyse whether a successful divergent selection for open-field activity (OFA) in rabbits has resulted in differences in DNA fingerprinting pattern and genetic parametres of diversity. We also scanned DNA fingerprinting profiles for searching minisatellite alleles potentially linked to genes determining the trait under selection. Rabbits derived from the 8th generation of the lines selected for high (H) or low (L) locomotor OFA were profiled for DNA fingerprinting using HinfI enzyme and 33.6 multilocus probe. The H and L lines represent different, i.e. active and passive coping strategies in a novel situation.Selection for H or L locomotor OFA did not affect significantly the molecular parametres of genetic diversity. However, the analysis of band patterns for individual and pooled DNA fingerprints revealed a specific band for the L line at 15 kbp. No specific bands for the H line were detected. The results presented provide evidence of a possible linkage between minisatellites and OFA in rabbits and demonstrate that studies on the H and L lines may give rise to a new strategy in animal breeding and selection for traits related to animal welfare (locomotion and fear-related emotional behavior) and to the study of genetic background of hyperactivity disorders, e.g. ADHD.
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