Table 3.
Effect of dietary feed additives on egg characteristics of layer Japanese quail at 42 weeks of age
| Treatments | Eggshell thickness (mm) | Eggshell strength (kgf/cm2) | Albumen height (mm) | Haugh unit | Eggshell weight (g) | |
|---|---|---|---|---|---|---|
|
| ||||||
| BMD | PFA | |||||
| 0 | 0 | 0.20 | 2.10b | 4.91a | 91.33a | 1.08b |
| 0.05% | 0 | 0.20 | 2.26a | 4.24c | 86.10c | 1.14a |
| 0 | 0.1% | 0.22 | 2.28a | 4.46b | 89.33b | 1.13a |
| ANOVA | ||||||
| SEM | 0.010 | 0.26 | 0.79 | 0.552 | 0.10 | |
| p value | 0.4413 | 0.0132 | ≤0.0001 | ≤0.0001 | 0.0067 | |
BMD, bacitracin methylene disalicylate (antibiotic growth promoter); PFA, phytogenic feed additive; ANOVA, analysis of variance; SEM, pooled standard error of column wise means comparison.
Means with different letters within the same column are significantly different (p 0.05).