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Table 1 Comparison of the spontaneous home-cage activity in the parental strains, B6xKJR F1 and B6xKJR F2

From: QTL analyses of temporal and intensity components of home-cage activity in KJR and C57BL/6J strains

  Average value  
  C57BL/6J KJR B6xKJR F1 B6xKJR F2 H2
THA 46.5 (8.9) 122.3 (15.9)* 120.5 (19.1)* 98.0 (31.0) 0.62
AT 19.6 (1.8) 22.1 (0.9)* 25.7 (2.1)** 23.5 (3.1) 0.53
AA 23.6 (3.2) 55.8 (6.2)* 46.9 (5.6)* 41.2 (10.6) 0.72
  1. Number of female mice in the home-cage activity study: B6, N = 10; KJR, N = 10; B6xKJR F1, N = 11; B6xKJR F2, N = 274. THA, total home-cage activity (× 103); AT, active time (× 102); AA; parentheses indicate standard deviation; broad-sense heritability H2 is calculated as follows; H2 = (Variance of B6xKJR F2 - Variance of B6xKJR F1)/Variance of B6xKJR F2. Asterisks indicate significant difference between B6 and KJR or B6 and B6xKJR F1. Double asterisk indicates significant difference between KJR and B6xKJR F1.