Table 3.
Sperm kinematic data of CASA analysis after 10 min at 38 °C of boar spermatozoa in sixteen pooled ejaculates (4 × 4 ejaculates) from 16 mature Pietrain boars in control and MEDI NOVA bags.
| Characteristics | Storage time (h) | Control | Bags | P-value |
|---|---|---|---|---|
| Progressive motility (%) | 24 | 84.8 ± 2.1 | 80.3 ± 0.4 | 0.021 |
| Distance curved line (µm) | 69.3 ± 5.8 | 68.2 ± 0.7 | 0.692 | |
| Distance straight line (µm) | 22.7 ± 0.9 | 21.1 ± 1.3 | 0.016 | |
| Distance average path (µm) | 34.4 ± 2.1 | 33.3 ± 1.2 | 0.430 | |
| Velocity curved line (µm/s) | 153.7 ± 11.5 | 150.4 ± 3.0 | 0.581 | |
| Velocity straight line (µm/s) | 54.7 ± 2.1 | 51.5 ± 2.0 | 0.021 | |
| Velocity average path (µm/s) | 78.4 ± 2.4 | 76.0 ± 1.6 | 0.247 | |
| Beat cross frequency (Hz) | 25.8 ± 1.0 | 24.1 ± 0.7 | 0.056 | |
| Amplitude of lateral head displacement (µm) | 1.36 ± 0.11 | 1.34 ± 0.05 | 0.689 | |
| Progressive motility (%) | 48 | 82.5 ± 3.1 | 79.7 ± 3.2 | 0.006 |
| Distance curved line (µm) | 69.4 ± 2.2 | 62.8 ± 2.4 | 0.018 | |
| Distance straight line (µm) | 22.0 ± 2.4 | 22.1 ± 1.6 | 0.917 | |
| Distance average path (µm) | 33.8 ± 1.6 | 31.6 ± 1.4 | 0.062 | |
| Velocity curved line (µm/s) | 155.4 ± 5.3 | 140.4 ± 5.2 | 0.017 | |
| Velocity straight line (µm/s) | 54.9 ± 3.6 | 54.5 ± 1.9 | 0.738 | |
| Velocity average path (µm/s) | 78.8 ± 2.4 | 73.8 ± 1.9 | 0.035 | |
| Beat cross frequency (Hz) | 24.3 ± 1.3 | 23.1 ± 1.0 | 0.053 | |
| Amplitude of lateral head displacement (µm) | 1.38 ± 0.07 | 1.25 ± 0.06 | 0.07 | |
| Progressive motility (%) | 96 | 81.0 ± 4.1 | 78.6 ± 3.6 | 0.004 |
| Distance curved line (µm) | 64.7 ± 1.2 | 60.6 ± 2.6 | 0.093 | |
| Distance straight line (µm) | 23.4 ± 2.5 | 22.4 ± 1.5 | 0.300 | |
| Distance average path (µm) | 32.6 ± 1.1 | 30.8 ± 1.7 | 0.070 | |
| Velocity curved line (µm/s) | 145.8 ± 5.4 | 138.6 ± 5.6 | 0.135 | |
| Velocity straight line (µm/s) | 57.7 ± 3.2 | 56.8 ± 2.7 | 0.464 | |
| Velocity average path (µm/s) | 76.5 ± 2.4 | 73.9 ± 2.8 | 0.017 | |
| Beat cross frequency (Hz) | 23.7 ± 1.5 | 22.0 ± 1.3 | 0.013 | |
| Amplitude of lateral head displacement (µm) | 1.28 ± 0.07 | 1.21 ± 0.05 | 0.164 | |
| Progressive motility (%) | 120 | 77.5 ± 5.3 | 75.8 ± 3.9 | 0.383 |
| Distance curved line (µm) | 59.5 ± 1.6 | 54.4 ± 4.6 | 0.063 | |
| Distance straight line (µm) | 22.4 ± 3.0 | 22.3 ± 1.9 | 0.886 | |
| Distance average path (µm) | 30.5 ± 1.8 | 28.7 ± 2.3 | 0.139 | |
| Velocity curved line (µm/s) | 135.8 ± 5.2 | 124.2 ± 10.8 | 0.036 | |
| Velocity straight line (µm/s) | 56.1 ± 5.7 | 54.1 ± 3.8 | 0.127 | |
| Velocity average path (µm/s) | 72.6 ± 3.9 | 67.4 ± 4.4 | 0.016 | |
| Beat cross frequency (Hz) | 22.4 ± 1.6 | 20.4 ± 0.5 | 0.074 | |
| Amplitude of lateral head displacement (µm) | 1.17 ± 0.05 | 1.12 ± 0.13 | 0.376 | |
| Progressive motility (%) | 168 | 70.0 ± 2.7 | 47.0 ± 10.1 | 0.018 |
| Distance curved line (µm) | 52.7 ± 2.7 | 30.7 ± 7.1 | 0.006 | |
| Distance straight line (µm) | 20.4 ± 2.2 | 12.4 ± 1.8 | 0.025 | |
| Distance average path (µm) | 26.1 ± 1.3 | 15.3 ± 2.8 | 0.010 | |
| Velocity curved line (µm/s) | 123.8 ± 9.3 | 73.5 ± 16.8 | 0.002 | |
| Velocity straight line (µm/s) | 53.1 ± 4.9 | 33.4 ± 3.8 | 0.011 | |
| Velocity average path (µm/s) | 65.1 ± 4.7 | 39.6 ± 6.2 | 0.004 | |
| Beat cross frequency (Hz) | 18.4 ± 0.8 | 11.1 ± 2.7 | 0.022 | |
| Amplitude of lateral head displacement (µm) | 1.11 ± 0.09 | 0.74 ± 0.17 | 0.009 |
Significant differences are marked with italics.