Table 1.
The composition and nutrient level of laying hen diets between 18 and 38 wk of age.
| Item | Diet |
|
|---|---|---|
| Layer 1 | Layer 2 | |
| Ingredient (%) | ||
| Corn, grain | 62.86 | 65.32 |
| Soybean meal, 48% | 24.32 | 22.32 |
| Dicalcium phosphate | 1.52 | 1.45 |
| Limestone | 10.60 | 10.05 |
| NaCl | 0.35 | 0.35 |
| Premix1 | 0.30 | 0.30 |
| DL-Methionine | 0.21 | 0.18 |
| L-Lysine-HCL | 0.02 | 0.03 |
| Calculated chemical analysis | ||
| ME, kcal/kg | 2,785 | 2,815 |
| Available phosphorus | 0.42 | 0.37 |
| Chemical analysis | ||
| Dry matter | 90.6 | 91.1 |
| Crude ash | 7.2 | 7.2 |
| Crude fiber | 2.9 | 3.1 |
| Crude protein | 18.76 | 17.35 |
| Calcium | 4.25 | 3.94 |
| Phosphorus | 0.73 | 0.71 |
Layer 1 diet was used between 18 and 24 wk of age, and layer 2 diet was used between 25 and 38 wk of age.
1
Ingredients in 1 kg of premix: Vitamin A 8.000 IU; Vitamin D3 2.000 IU; Vitamin B2 4 mg; Vitamin B12 10 mg; Vitamin E 15 mg; Vitamin K3 2 mg; Vitamin B1 3 mg; Niacin 30 mg; Cal-D-pantothenic acid 10 mg; Vitamin B6 5 mg; Folic acid 1 mg; D-biotin 0.05 mg; Vitamin C 50 mg; Choline Chloride 300 mg; Mn 60 mg; Zn 50 mg; Fe 60 mg; Cu 5 mg; Co 0.5 mg; Iodine 2 mg; Se 0.15 mg.