Table 5.
Effect C. lanatus essential oil inclusion in diets on the external egg quality.
| Parameters2 | Diet1 |
|||
|---|---|---|---|---|
| Control | 1gCL | 2gCL | SEM | |
| EL | 49.62 | 49.61 | 49.71 | 0.25 |
| EWID | 40.42 | 40.06 | 40.17 | 0.18 |
| EWT | 51.84 | 51.33 | 52.03 | 0.47 |
| SWT | 6.85b | 6.57a | 6.69a | 0.06 |
| SB | 0.19 | 0.21 | 0.19 | 0.02 |
| SM | 0.21 | 0.20 | 0.20 | 0.01 |
| SS | 0.19 | 0.19 | 0.18 | 0.01 |
| ESI | 81.63 | 80.93 | 80.87 | 0.58 |
| SR | 13.27b | 12.84a | 12.88a | 0.13 |
a,bMeans in the same row with different superscripts are significantly different (P < 0.05).
1
Diets: Control, commercial layer diet; 1gCL, commercial layer diet mixed with 1 g/kg C. lanatus oil; 2gCL, commercial layer diet mixed with 2 g/kg C. lanatus oil.
2
Parameters: EL, egg length; EWID, egg width; EWT, egg weight; SWT, shell weight; SB, shell strength blunt; SM, shell strength middle; SS, shell strength sharp; ESI, egg shell index; SR, shell ratio.