Table 3.
Mean ± SEM of hatching parameters according to specific gravity.
| Specific gravity1 |
|||||
|---|---|---|---|---|---|
| Variables | ≥1.065 | 1.070 | 1.075 | 1.080 | ≤1.085 |
| Hatchability (%) | 79.27 ± 2.42b | 88.61 ± 2.01a | 88.23 ± 2.44a | 87.72 ± 1.69a | 85.27 ± 6.33a |
| Egg weight loss (%) | 12.40 ± 0.20a | 9.80 ± 0.25b | 10.03 ± 0.27b | 9.55 ± 0.41b | 9.23 ± 0.17b |
| Embryonic mortality (%) (0–4 d) | 5.12 ± 0.65 | 3.16 ± 0.85 | 5.92 ± 1.48 | 5.56 ± 1.73 | 2.26 ± 1.13 |
| Embryonic mortality (%) (5–10 d) | 2.68 ± 1.10 | 1.24 ± 0.69 | 0.68 ± 0.45 | 1.44 ± 0.71 | 3.03 ± 3.03 |
| Embryonic mortality (%) (11–18 d) | 3.01 ± 1.00 | 1.94 ± 0.73 | 2.03 ± 0.74 | 1.69 ± 0.89 | 2.27 ±1.32 |
| Embryonic mortality (%) (19–21 d) | 2.16 ± 0.70 | 0.95 ± 0.48 | 0.34 ± 0.34 | 2.29 ± 0.69 | 3.03 ± 3.03 |
| Pipped eggs (%) | 1.02 ± 0.66 | 1.28 ± 0.99 | 1.06 ± 0.54 | 0.45 ± 0.80 | 1.11 ± 1.11 |
| Contaminated eggs (%) | 6.74 ± 1.24a | 2.82 ± 1.01b | 1.71 ± 1.05b | 1.27 ± 0.90b | 3.03 ±3.03ab |
1
Number of eggs per SG groups: ≥1.065 (n = 214); 1.070 (n = 324); 1.075 (n = 297); 1.080 (n = 232); and ≤1.085 (n = 71).
Columns with different superscripts differ significantly (P < 0.05).