Table 3.
Effect of egg turning angle during embryogenesis on embryonic mortality, hatchability of fertile eggs, gosling quality and hatching weight.
| Items | Turning angle |
||
|---|---|---|---|
| 50° | 60° | 70° | |
| Hatchability of fertile eggs, % | 83.41 ± 0.56b | 87.23 ± 0.51a | 86.53 ± 0.89a |
| Goslings of high quality, % | 80.95 ± 0.98b | 91.28 ± 0.57a | 89.38 ± 0.65a |
| Mortality till 8th day, % | 4.54 ± 0.56 | 4.84 ± 0.39 | 4.34 ± 0.55 |
| Mortality from 9th to 18th day, % | 2.77 ± 0.43 | 2.71 ± 0.77 | 2.20 ± 0.43 |
| Mortality from 19th to 30th day, % | 10.11 ± 1.29a | 5.77 ± 0.97b | 7.50 ± 0.98b |
| Hatching weight, g (n = 50) | 98.31 ± 8.72b | 99.05 ± 9.81b | 105.52 ± 8.65a |
Values are presented as means ± SEM.
ab
Different letters in each line indicates significant difference (P < 0.05).