Table 2.
Mean ± SEM of hatching parameters according to eggshell translucency.
| Translucency score1 |
|||
|---|---|---|---|
| Variables | 1 | 2 | 3 |
| Hatchability (%) | 85.93 ± 2.74 ab | 89.32 ± 1.62a | 81.48 ± 2.24b |
| Egg weight loss (%) | 10.05 ± 0.27ab | 9.92 ± 0.18b | 10.95 ± 0.41a |
| Embryonic mortality (%) (0-4 d) | 4.04 ± 1.64 | 3.44 ± 0.81 | 7.66 ± 1.68 |
| Embryonic mortality (%) (5-10 d) | 1.19 ± 0.75 | 1.76 ± 0.49 | 0.59 ± 0.40 |
| Embryonic mortality (%) (11-18 d) | 0.00 ± 0.00b | 2.06 ± 0.47ab | 3.99 ± 0.90a |
| Embryonic mortality (%) (19-21 d) | 2.12 ± 1.36 | 0.83 ± 0.33 | 1.54 ± 0.70 |
| Pipped eggs (%) | 1.77 ± 0.79 | 0.49 ± 0.27 | 0.28 ±0.28 |
| Contaminated eggs (%) | 4.35 ± 2.50 | 1.90 ± 0.58 | 4.41 ± 1.01 |
1
Score 1 being the least mottled (n = 165 eggs), score 2 the moderately mottled (n = 622 eggs), and score 3 the heavily mottled (n = 351 eggs).
Columns with different superscripts differ significantly (P < 0.05).