Table-2.
The effect of thermal manipulation at 12–18 days of incubation on semen quality parameters of roosters exposed to thermal challenge.
| Parameters | G1 (Control) | G2 (TM) | p-value |
|---|---|---|---|
| Ejaculate volume (mL) | 0.51b ± 0.04 | 0.64a ± 0.03 | 0.002 |
| Sperm concentration (×109/mL) | 2.43b ± 0.09 | 2.99a ± 0.15 | 0.005 |
| Mass motility (%) | 82.39b ± 1.88 | 89.53a ± 1.20 | 0.001 |
| Sperm livability (%) | 81.73b ± 1.49 | 92.40a ± 1.03 | 0.000 |
| Sperm mortality (%) | 18.26a ± 1.49 | 7.60b ± 1.03 | 0.001 |
| Semen quality factor | 1.01b ± 0.09 | 1.77a ± 0.14 | 0.000 |
| Semen pH value | 7.24 ± 0.04 | 7.21 ± 0.01 | 0.647 |
a,bMeans having different letters in the same row are significantly different (p ≤ 0.05). TM=Temperature manipulation. n = 40 semen samples from each group