Table 1. Mean and standard error (SE) of sperm quality traits in Chinese Holstein bulls.

Traits	Mean±SE
Ejaculate volume (ml)	7.22±0.09
Initial sperm motility (%)	80.32±0.61
Sperm density (×108/ml)	11.79±0.16
Frozen/thawed sperm motility (%)	40.92±0.32
Deformity rate (%)	14.43±0.18