Table 2.
Effect of essential oil delivery route on hatch performance and chick quality.
| Hatch Parameters | Treatments 1 | SEM 2 | p Value | ||
|---|---|---|---|---|---|
| Non-Injected | In Ovo Saline | In Ovo Essential Oil |
|||
| Hatchability (%) | 95.3 a | 97.0 a | 78.1 b | 4.10 | 0.001 |
| Average Chick Weight (g) | 52.3 | 49.7 | 47.4 | 2.00 | 0.590 |
| Average Chick Length (cm) | 18.9 a | 18.8 a | 18.2 b | 0.11 | 0.002 |
| Chick BW/ Egg Weight (%) | 56.7 | 70.2 | 64.4 | 3.00 | 0.183 |
| Average Navel Score | 1.67 | 1.51 | 1.77 | 0.10 | 0.299 |
1 Treatments include—(1) non-injected eggs; (2) in ovo Saline group- injected with 0.2 mL of physiological saline (0.9% NaCl); (3) in ovo essential oil group- injected with 0.2 mL of a saline + essential oil blend mixture at a dilution ratio of 2:1. 2 SEM = Standard error of means. a,b Means within a row with different superscripts differ (p < 0.05).