Table 6.
The main effect of time on sperm quality in broiler breeder roosters.
| item | Semen volume (mL) | Semen concentration (109 spermatozoa/mL) | Total motility% | Progressive motility (%) | VCL (%) | VSL (%) | VAP (%) | LIN (%) | STR (%) |
|---|---|---|---|---|---|---|---|---|---|
| Day(s) | |||||||||
| 0 | 0.49 | 3.73a,b | 81.88b | 39.93b | 165.81 | 68.01a,b | 40.43b,c | 41.07a,b | 59.81a,b |
| 20 | 0.42 | 3.99a,b | 84.95a | 40.07b | 159.82 | 68.26a,b | 42.31a,b | 44.26a | 60.24a,b |
| 40 | 0.40 | 4.09a | 85.49a | 43.33a | 161.21 | 70.69a | 45.66a | 43.82a | 65.23a |
| 60 | 0.40 | 3.68b | 76.70c | 41.49a,b | 168.50 | 66.39b | 36.28c | 39.48b | 54.88b |
| SEM pooled | 0.04 | 0.08 | 0.49 | 0.54 | 1.92 | 0.84 | 0.91 | 0.84 | 1.47 |
| P-value | 0.11 | <0.0001 | <0.0001 | <0.0001 | 0.01 | 0.001 | <0.0001 | 0.008 | <0.0001 |
a–c
Within rows, least squares (means ± S.E) with different superscripts significantly (P ≤ 0.05).