Table 4.
Effect of diets supplemented with leek leaf extract on carcass traits relative to the live weight of broiler chickens (means ± SE).
| Parameters | Experimental diets | P-value | ||||
|---|---|---|---|---|---|---|
| Control | Leek leaf extract in diets | |||||
| 0.05% | 0.10% | 0.15% | 0.20% | |||
| Dressing % | 66.82 ± 0.71b | 70.56 ± 0.22ab | 72.52 ± 0.52a | 72.07 ± 0.96a | 73.32 ± 1.55a | 0.022 |
| Liver % | 2.88 ± 0.16b | 3.19 ± 0.24ab | 3.30 ± 0.08ab | 3.29 ± 0.11ab | 3.52 ± 0.05a | 0.041 |
| Heart % | 0.74 ± 0.19 | 0.76 ± 0.06 | 0.74 ± 0.01 | 0.68 ± 0.08 | 0.80 ± 0.09 | 0.943 |
| Stomach % | 3.95 ± 0.48 | 4.20 ± 0.38 | 4.34 ± 0.05 | 4.32 ± 0.14 | 4.32 ± 0.18 | 0.637 |
| Intestine % | 5.88 ± 0.29 | 5.77 ± 0.11 | 5.74 ± 0.13 | 5.43 ± 0.14 | 5.68 ± 0.04 | 0.504 |
| Spleen % | 0.37 ± 0.013 | 0.38 ± 0.012 | 0.35 ± 0.007 | 0.38 ± 0.007 | 0.38 ± 0.010 | 0.065 |
ab
Means within the same row carrying different superscripts were significantly different at (P ≤ 0.05).
Number of observation (n) = 5 in each group.