TABLE 1.

Epididymal weights and spermatozoan parameters for HE6 knockout mice and wild-type littermate controlsa

HE6 genotype (n)Normalized epididymis wt (mg)Sperm count (106)/caudaMotility (%)Mobility
%Rank
Wild type (15)118.8 ± 18.59.38 ± 3.4794.7 ± 1.286a
14b
Knockout (17)88.9 ± 20.7b0.93 ± 1.34b9.1 ± 15b65d
23c
  • a Data are from animals between 15 and 20 weeks of age. Motility is defined as the percentage of motile spermatozoa. Mobility (the extent or degree of movement) was assessed using an arbitrary scale (a, normal, to d, no movement).

  • b P < 0.01.