Table 1.
Responses of broiler chicken to in ovo injection of aqueous extract of clove and cinnamon on the hatchability and quality of day-old chicks.
| Parameters | UE | DW | AA | CL2 | CL4 | CN2 | CN4 | SEM | P value |
|---|---|---|---|---|---|---|---|---|---|
| Egg weight (g) | 71.75 | 70.50 | 71.25 | 71.25 | 71.00 | 71.50 | 71.75 | 4.23 | 0.993 |
| Hatchability (%) | 87.0c | 85.0c | 89.0b | 92.0a | 74.0e | 89.0b | 81.0d | 0.02 | <.001 |
| Chick weight (g) | 38.75b | 37.25b | 42.25a | 41.57a | 34.0b | 41.75a | 36.75b | 1.78 | 0.00 1 |
| Chick/egg Ratio | 0.54b | 0.52bc | 0.59a | 0.58ab | 0.47c | 0.58ab | 0.51bc | 0.02 | <.001 |
| Eye | 14.0 | 10.0 | 14.0 | 14.0 | 12.0 | 12.0 | 12.0 | 4.27 | 0.801 |
| Appearance | 10.0 | 9.0 | 10.0 | 9.5 | 9.0 | 9.0 | 8.5 | 0.92 | 0.225 |
| Activity | 5.75 | 6.00 | 5.50 | 5.5 | 6.0 | 6.0 | 5.7 | 0.40 | 0.338 |
| Navel area | 7.50 | 10.50 | 12.0 | 9.0 | 10.5 | 9.0 | 9.0 | 3.00 | 0.480 |
| Remaining membrane | 11.0 | 11.0 | 11.0 | 10.0 | 10.0 | 8.0 | 9.0 | 1.95 | 0.260 |
| Leg | 16.0 | 12.0 | 16.0 | 16.0 | 16.0 | 12.0 | 14.0 | 2.89 | 0.163 |
| Remaining yolk | 16.0a | 13.0b | 16.0a | 16.0a | 15.0ab | 11.0c | 11.0c | 2.30 | 0.008 |
| Yolk absorption | 12.0a | 9.0b | 12.0a | 12.0a | 12.0a | 11.0ab | 12.0a | 1.06 | 0.004 |
| Total scores(100) | 92.25ab | 80.5b | 96.5a | 92.0ab | 90.5ab | 78.0b | 81.25b | 6.28 | 0.001 |
abc
Means within the row bearing different letters differ significantly (P < 0.05).
AA, 3 mg ascorbic acid; CL2, 2 mg clove; CL4, 4 mg clove; CN2, 2 mg cinnamon; CN4, 4 mg cinnamon; DW, eggs injected with Distilled water; UE, Uninjected eggs.