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. 2017 Jul 3;17:157. doi: 10.1186/s12862-017-1005-0

Fig. 2.

Fig. 2

Sperm velocity declined (seconds post activation) in three measures of velocity (VCL, curvilinear, VSL: straight-line, VAP: average path) after males had completed Round 2 of dominance trials. Males forced into subordinate (Sub) roles after being dominant (Dom) showed lower initial sperm velocity