Table 5.
Effect of dietary leucine supplementation on conventional semen quality of boars.
| Items | CON | LEU | P-value |
|---|---|---|---|
| Semen volume, mL | 92.70, 6.10 | 102.10, 5.90 | 0.27 |
| Gel weight, g | 27.75, 1.31 | 28.63, 0.95 | 0.59 |
| Sperm density, x108 spz/mL | 502.71, 15.07 | 526.67, 23.47 | 0.40 |
| Sperm viability, % | 86.95, 1.66 | 90.17, 1.33 | 0.04 |
| Total sperm count per ejaculation, x108 spz | 453.88, 22.77 | 521.60, 20.41 | 0.03 |
| Effective sperm count per ejaculation, x108 spz | 272.83, 12.22 | 325.54, 18.93 | 0.02 |
| Average curve velocity, VCL, μm/s | 67.14, 4.50 | 76.99, 2.90 | 0.03 |
| Average linear velocity, VSL, μm/s | 22.04, 1.41 | 23.21, 0.95 | 0.43 |
| Average path velocity, VAP, μm/s | 31.06, 1.94 | 33.96, 1.30 | 0.14 |
| Sperm motility, % | 60.85, 2.07 | 62.04, 2.04 | 0.67 |
| Sperm abnormality rate, % | 6.33, 0.31 | 6.06, 0.23 | 0.40 |
CON, control group; LEU, leucine group. Values are presented as means ± standard error (n = 15).