Substrains of Inbred Mice Differ in Their Physical Activity as a Behavior
Figure 1
Different mouse substrains show differential physical activity as a behavior. Seven-week-old female BALB/c mice, belonging to three different substrains as indicated, were individually placed in wheel equipped cages. The running behavior (a) and the daily distance covered (b) were recorded for four days. The average ± SEM of at least three independent experiments, each one performed at least in quadruplicate, is shown. BALB/c J mice run significantly less than the other two substrains and the majority of this population do not show at all interest for wheel running. (a) *P < 0.01 by Tukey HSD test versus AnNCrl or versus ByJ. (b) *P < 0.05 by Sutdent’s t-test versus AnNCrl.
