Fig. 2. Comparison of sexual behaviors exhibited by B6 and BTBR mice with females in the estrus and diestrus stages of the estrous cycle. (A) Total mounting duration of B6 and BTBR male mice. The mounting duration of B6 mice is higher with estrus females than with diestrus females (with estrus: n=13, with diestrus: n=9, Student's t-test, *p<0.05). Mounting behavior is not seen in BTBR male mice with diestrus females. The number of BTBR mice showing mounting is significantly higher with estrus females than with diestrus females (with estrus: 5/9, with diestrus: 0/8, Fisher's exact test, *p<0.05). (B) Total sniffing durations of both B6 and BTBR mice. The durations are not affected by the estrous cycle (B6, with estrus: n=13, with diestrus: n=9; BTBR, with estrus: n=9, with diestrus: n=8, Student t-test, p>0.05). All values are presented as mean±SEM.
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