|   组别  |       n  |       剂量(C/mg·ml-1)  |       精子存活率(%)  |    |
|   24 h  |       48 h  |    |||
|   A  |       50  |       --  |       17.9 ± 2.3  |       3.2 ± 1.3  |    
|   B  |       50  |       --  |       13 .2 ± 4.1  |       3.4 ± 2.1  |    
|   C  |       50  |       0.25 mg/ml  |       31.0 ± 3.9  |       6.8 ± 2.6a  |    
|   D  |       50  |       1.0 mg/ml  |       37.1 ± 3.1  |       9.7 ± 2.7b,c  |    
|   E  |       50  |       5.0 mg/ml  |       38.2 ± 3.6  |       9.2 ± 3.2b,c  |    
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