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. 2000 Dec 12;97(26):14737–14741. doi: 10.1073/pnas.250473597

Table 2.

Results of 90-min sexual behavioral tests (test 2)

Test αβWT αβERKO αERKO βERKO
Ultrasonic vocalization Number of mice 7/7 1/8§ 1/2 9/9
Mean latency* 201.57  ± 10.71 231 189 131.67  ± 3.45§
Attempted mounts Number of mice 7/7 0/7§ 1/2 8/8
Mean latency* 682.86  ± 90.75 388 998.38  ± 96.49
Mean number/10 min 1.89  ± 0.22 0.00  ± 0.00§ 0.78  ± 0.55 0.98  ± 0.06
Mounts Number of mice 7/7 0/7§ 1/2 7/8
Mean latency* 708.86  ± 88.53 808 1,171.43  ± 131.68
Mean number/10 min 2.09  ± 0.19 0.00  ± 0.00§ 0.06  ± 0.04§ 0.79  ± 0.09§
Intromissions Number of mice 6/7 0/7§ 1/2 7/8
Mean latency* 1,053.83  ± 135.68 808 1,398.71  ± 183.34
Mean number/10 min 6.35  ± 0.97 0.00  ± 0.00§ 3.33  ± 2.36 4.53  ± 0.52
Ejaculation Number of mice 6/7 0/7§ 0/2 5/8
Mean latency* 3,336.17  ± 276.63 2,361.20  ± 215.42
Mean duration* 27.33  ± 0.60 28.40  ± 1.02
Mean no. of mount + intromissions to the ejaculation* 47.17  ± 6.34 26.80  ± 3.56
*

Included only the pairs that showed the behavior. 

P < 0.05 vs. αERKO. 

P < 0.05 vs. βERKO. 

§

P < 0.05 vs. αβWT.