To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Video 1 Eqtn -/- sperm in PVS. Videos were taken from three Eqtn−/− males. The video (http://movie-usa.glencoesoftware.com/video/10.1530/REP-18-0394/video-1) from the online version of the article is available at https://doi.org/10.1530/REP-18-0394. Deletion of Eqtn in mice reduces male fertility and sperm–egg adhesion Chizuru Ito, Kenji Yamatoya, Keiichi Yoshida, Lisa Fujimura, Hajime Sugiyama, Akiko Suganami, Yutaka Tamura, Masahiko Hatano, Kenji Miyado, and Kiyotaka Toshimori 2018. 156:579-590 DOI: 10.1530/REP-18-0394 Download Original Video