Table 1 Summary of sperm parameters in AI dose and field fertility, data presented as mean ± SD (n = 19 boars).
From: Assessment of sperm quality traits in relation to fertility in boar semen
Mean ± SD | Min-Max | |
|---|---|---|
Sperm concentration (million/ml) | 36.9 ± 1.8 | 33.9-39.8 |
Major sperm defects (%) | 3.0 ± 2.6 | 0.5-11.0 |
Minor sperm defects (%) | 11.2 ± 8.7 | 2.0-33.7 |
Morphologically normal spermatozoa (%) | 84.8 ± 10.3 | 55.0-96.0 |
Proximal droplets (%) | 1.1 ± 0.8 | 0.2-27 |
Subjective motility (%) | 77.1 ± 4.6 | 66.7-85.3 |
CASA-assessed total motility (%) | 91.2 ± 5.9 | 75.4-95.8 |
Litter size of multiparous farrowings | 12.0 ± 0.7 | 10.5-13.3 |
Nonreturn rate within 60 days of first insemination (%) | 82.2 ± 3.8 | 77.0-89.0 |