Research Article

Reproductive Toxicity of Zishen Yutai Pill in Rats: The Fertility and Early Embryonic Development Study (Segment I)

Table 3

Changes in epididymal sperm number and motility in male rats.

TermsVehicle control group Positive control group Zishen Yutai Pill-treated groups
Low dose-treated groupModerate dose-treated groupHigh dose-treated group

Epididymal weight (g)0.175 ± 0.0330.158 ± 0.0280.180 ± 0.0260.167 ± 0.0280.183 ± 0.036
Sperm density (106/mL)22.3 ± 14.712.5 ± 12.616.7 ± 9.221.4 ± 11.218.2 ± 10.7
Motile sperm density (106/mL)12.9 ± 9.86.6 ± 9.912.1 ± 8.814.5 ± 10.911.3 ± 8.8
Progressive sperm density (106/mL)3.5 ± 2.81.9 ± 3.23.3 ± 2.24.0 ± 2.93.3 ± 2.6
Percentage of sperm motility (%)55.6 ± 24.844.4 ± 22.666.6 ± 15.759.9 ± 26.554.5 ± 26.9
Percentage of rapid activities (%)46.7 ± 23.137.7 ± 20.258.6 ± 14.451.7 ± 23.547.5 ± 25.4
Sperm count (106/g)131.9 ± 94.076.9 ± 58.994.6 ± 55.4125.6 ± 53.8102.2 ± 59.4
Average path velocity (m)196.5 ± 35.5201.2 ± 39.3217.8 ± 20.1213.8 ± 44.3211.1 ± 44.1
Straight-line velocity (mm/s)132.8 ± 23.2134.3 ± 33.5147.7 ± 16.6144.7 ± 33.7145.2 ± 30.8
Curvilinear velocity (mm/s)337.1 ± 71.5349.4 ± 81.3371.0 ± 45.2360.9 ± 87.7357.6 ± 78.7
Amplitude of lateral head displacement (mm)13.6 ± 3.613.2 ± 3.314.7 ± 1.914.1 ± 4.213.9 ± 3.7
Beat-cross frequency (HZ)16.6 ± 4.416.2 ± 4.615.8 ± 2.717.7 ± 8.015.4 ± 4.0
Straightness (%)67.0 ± 7.763.9 ± 5.965.3 ± 3.364.8 ± 6.466.8 ± 3.0
Linearity (%)43.0 ± 9.440.2 ± 6.941.4 ± 3.941.6 ± 5.242.3 ± 3.8
Elongation (%)29.7 ± 8.128.4 ± 13.728.0 ± 3.831.5 ± 13.927.4 ± 5.3
Area (m2)230.8 ± 49.6857.8 ± 3251.5229.9 ± 39.5881.1 ± 3251.4221.3 ± 49.3
Abnormal sperm count (/1000)14.7 ± 1.869.7 ± 5.515.8 ± 1.716.3 ± 2.816.6 ± 3.6

and compared with the vehicle control group.