================================================ Sperm motility (percent) Glycerol ---------------------------------- level Post- After storage at 5 deg. C. (percent) thawing ----------------------- 1 day 3 days ------------------------------------------------ 4 29 22 20 6 38 34 24 8 42 33 17 10 33 18 6 ------------------------------------------------ Table 11.--Effects of Temperature, Rate of Addition of Glycerol, and Equilibration Time on Sperm Motility (Average of 12 ejaculates) =================================================================== Temperature Post-thawing motility (percent) during Equilibration ---------------------------------- addition time Glycerol additions of glycerol (hours) ---------------------------------- ( deg. C.) 5 3 1 Average ------------------------------------------------------------------- 4.5 2 48 48 45 47.4 6 49 51 47 48.8 18 46 47 46 46.3 Average 47.8 48.6 46.0 47.5 10.0 2 44 43 45 43.9 6 48 50 46 47.9 18 43 46 42 44.0 Average 45.0 46.5 44.3 45.3 15.5 2 41 38 38 39.1 6 42 45 43 43.6 18 42 43 42 42.5 Average 42.0 41.8 41.4 41.7 -------------------------------------------------------------------