Table 2. Computer-aided sperm analysis of red-rumped agouti epididymal sperm used for he-IVF.
CASA parameters (mean±SE)
Total motility (%) 96.3±1.8
Progressive motility (%) 63.0±5.2
VAP (µm/s) 117.6±16.8
VSL (µm/s) 98.4±14.6
VCL (µm/s) 155.5±11.5
ALH (µm/s) 5.7±0.2
BCF (Hz) 29.5±2.8
STR (%) 77.8±1.6
LIN (%) 58.3±5.1
Rapid (%) 81.0±5.8
Medium (%) 15.5±4.5
Slow (%) 0.0±0.0
Static (%) 3.5±1.8

SE: standard error. VAP: velocity average pathway; VSL: velocity straight line; VCL: curvilinear velocity; ALH: amplitude of lateral head; BCF: beat cross frequency; STR: straightness; LIN: linearity. Sperm population: rapid, medium, slow or static.