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Effects of dietary phytogenic feed additive (PFA) levels on laying hens performance.
| Level of PFA (g kg -1 ) | Albumin Weight (g) | Albumin Height (mm) | Haugh unit | Shell thickness (mm) | Sell Weight (g) |
|---|---|---|---|---|---|
| Control | 43.89 | 6.67 | 79.25 | 0.03 | 5.26 |
| 4 | 42.78 | 7.01 | 82.10 | 0.03 | 5.13 |
| 8 | 41.19 | 6.03 | 73.66 | 0.03 | 5.38 |
| 12 | 41.37 | 6.24 | 75.69 | 0.03 | 5.28 |
| p -value | 0.53 | 0.20 | 0.14 | 0.17 | 0.62 |
| SEM | 1.70 | 0.34 | 2.58 | 0.002 | 0.12 |
No significant differences were detected among the treatments.
