Table 2.
Ingredients, % | Peaking2 | Layer 2 | Layer 3 | Layer 4 | Layer 5 |
---|---|---|---|---|---|
Corn | 53.61 | 62.99 | 61.54 | 64.18 | 62.57 |
Soybean meal -48% | 28.10 | 21.35 | 19.99 | 17.77 | 17.90 |
Soybean oil | 3.75 | 2.90 | 3.00 | 2.87 | 3.21 |
Limestone | 7.44 | 6.89 | 6.87 | 7.13 | 7.33 |
Oyster shell | 3.19 | 2.95 | 2.94 | 3.06 | 3.14 |
Defluorinated phosphate | 2.55 | 2.09 | 1.89 | 1.52 | 1.47 |
Common salt | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 |
L-Lysine HCl | 0.46 | 0.09 | 0.04 | 0.05 | 0.04 |
DL-Methionine | 0.33 | 0.22 | 0.17 | 0.14 | 0.14 |
Threonine | 0.11 | 0.06 | 0.03 | 0.03 | 0.02 |
Vitamin premix3 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 |
Mineral premix4 | 0.06 | 0.06 | 0.06 | 0.06 | 0.06 |
Sand | 0.05 | 0.05 | 3.11 | 2.84 | 3.78 |
ME (kcal/kg) | 2,840 | 2,900 | 2,820 | 2,840 | 2,820 |
CP% | 19.05 | 16.15 | 15.27 | 14.42 | 14.32 |
Ca% | 4.94 | 4.48 | 4.40 | 4.42 | 4.51 |
Available P (%) | 0.58 | 0.49 | 0.45 | 0.38 | 0.37 |
Abbreviation: 25OHD, 25-hydroxyvitamin D3.
Treatments were added as a form of vitamin premix in the diet: D treatment: vitamin D3 at 2,760 IU/kg; DD treatment: vitamin D3 at 5,220 IU/kg; 25D treatment: vitamin D3 at 2,760 IU/kg plus 25OHD at 2,760 IU (69 μg)/kg.
Peaking (18–38 wk), layer 2 (39–48 wk), layer 3 (49–60 wk), layer 4 (61–75 wk), and layer 5 (76–95 wk).
Supplied per kilogram of diet: vitamin A, 9,900 IU; vitamin E, 22.10 IU; vitamin B12, 0.02 mg; biotin, 0.06 mg; menadione, 3.3 mg; thiamine, 2.20 mg; riboflavin, 6.60 mg; pantothenic acid, 11.00 mg; vitamin B6, 4.40 mg; niacin, 33.00 mg; folic acid, 0.90 mg; choline, 191.36 mg.
Supplied per kilogram of diet: Mn, 80.4 mg; Zn, 64.2 mg; Mg, 16.08 mg; Fe, 15.78 mg; Cu, 2.4 mg; I, 0.6 mg; Se, 0.24 mg.