Relationships between sperm morphometry and sperm motility in the Atlantic salmon

By M. Gage, Christopher P. Macfarlane, S. Yeates, R. Shackleton, G. Parker. 2002

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Sperm swimming speed and energetics vary with sperm competition risk in bluegill (Lepomis macrochirus) (2004, background): “Most other studies have measured sperm longevity as the duration of forward motility of spermatozoa (or a proportion thereof, usually 95%) in a field of view under the microscope (Stockley et al. 1997; Gage et al. 2002).”
Evaluation of fish sperm quality (2010, methodology): “Although eye assessment of velocity was still recently used (Gage et al., 2002; 2004), several works in the past decade have reported the use of different Computer Assisted Sperm Analysis (CASA) systems to assess sperm motility in fish.”
Sperm quality influences male fertilization success in walleye (Sander vitreus) (2006, background): “Similarly, Gage et al. (2002) found no relationship between sperm swimming speed and sperm flagellum length in Atlantic salmon, but again, in that species, sperm swimming speed was a major determinant of a male’s fertilization success under (experimental) sperm competition (Gage et al. 2004).”
Reactive oxygen species as universal constraints in life-history evolution (2009, background): “Thus, ROS biology may well play a hand in accounting for the negative associations sometimes found between sperm traits (Pitnick 1996; Levitan 2000; Gage et al. 2002; Moore et al. 2004; Schulte-Hostedde & Millar 2004; Birkhead et al. 2005; Dowling et al. 2007), particularly those associations…”