Table 4.
Carcass characteristics in growing rabbits fed diets supplemented with different levels of lysozyme at 72 days of age.
| Parameters | Lysozyme, mg/kg Diet | SEM | p-Value | ||||
|---|---|---|---|---|---|---|---|
| LYZ0 | LYZ50 | LYZ100 | LYZ150 | Linear | Quadratic | ||
| Slaughter weight, g | 1895 | 1915 | 2010 | 2035 | 124 | 0.762 | 0.733 |
| Dressing percentage, % | 54.0 d | 56.4 c | 57.3 b | 58.7 a | 0.42 | <0.001 | 0.001 |
| Lungs, % | 1.11 | 1.10 | 1.20 | 1.20 | 0.20 | 0.743 | 0.622 |
| Liver, % | 3.09 | 3.14 | 3.22 | 3.27 | 0.83 | 0.276 | 0.835 |
| Heart, % | 0.31 | 0.33 | 0.40 | 0.34 | 0.11 | 0.243 | 0.352 |
| Spleen, % | 0.01 | 0.12 | 0.11 | 0.10 | 0.01 | 0.252 | 0.267 |
| Kidney, % | 1.05 | 1.15 | 1.09 | 1.21 | 0.06 | 0.185 | 0.264 |
| Total fat, % | 2.39 | 2.41 | 2.43 | 2.38 | 0.48 | 0.871 | 0.365 |
a–d Means within a row with different superscripts are significantly different (p < 0.05). Number of observation = 48; 12 rabbits per experimental group.