Table 3.
Ingredient and chemical composition of experimental diets used in experiments 4 to 6 (as-fed)
| Item | Lys/ME in 29 to 47 kg, g/Mcal | Lys/ME in 54 to 76 kg, g/Mcal | Lys/ME in 84 to 109 kg, g/Mcal | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2.40 | 2.60 | 2.80 | 3.00 | 3.20 | 2.10 | 2.30 | 2.50 | 2.70 | 2.90 | 1.80 | 2.00 | 2.20 | 2.40 | 2.60 | |
| Ingredient, % | |||||||||||||||
| Corn | 63.00 | 63.00 | 63.00 | 63.00 | 63.00 | 65.35 | 65.00 | 65.00 | 65.00 | 65.00 | 60.50 | 60.28 | 60.28 | 60.28 | 60.28 |
| Soybean meal (43% CP) | 24.00 | 24.00 | 24.00 | 24.00 | 24.00 | 21.80 | 22.08 | 22.08 | 22.08 | 22.08 | 15.00 | 15.50 | 15.50 | 15.50 | 15.50 |
| Wheat bran | 9.44 | 9.36 | 9.21 | 9.04 | 8.89 | 9.50 | 9.50 | 9.39 | 9.22 | 9.06 | 21.40 | 21.05 | 20.94 | 20.81 | 20.64 |
| Soybean oil | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Dicalcium phosphate | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.90 | 0.90 | 0.90 | 0.90 | 0.90 | 0.55 | 0.55 | 0.55 | 0.55 | 0.55 |
| Limestone | 1.15 | 1.15 | 1.15 | 1.15 | 1.15 | 1.10 | 1.10 | 1.10 | 1.10 | 1.10 | 1.20 | 1.20 | 1.20 | 1.20 | 1.20 |
| Salt | 0.35 | 0.35 | 0.35 | 0.35 | 0.35 | 0.35 | 0.35 | 0.35 | 0.35 | 0.35 | 0.35 | 0.35 | 0.35 | 0.35 | 0.35 |
| L-Lysine•HCl | 0.06 | 0.14 | 0.22 | 0.30 | 0.38 | 0.00 | 0.07 | 0.15 | 0.23 | 0.32 | 0.00 | 0.07 | 0.15 | 0.22 | 0.30 |
| MHA1 | 0.00 | 0.00 | 0.02 | 0.04 | 0.06 | 0.00 | 0.00 | 0.01 | 0.04 | 0.06 | 0.00 | 0.00 | 0.01 | 0.02 | 0.05 |
| L-Threonine | 0.00 | 0.00 | 0.04 | 0.09 | 0.13 | 0.00 | 0.00 | 0.02 | 0.06 | 0.10 | 0.00 | 0.00 | 0.02 | 0.06 | 0.11 |
| L-Tryptophan | 0.00 | 0.00 | 0.01 | 0.03 | 0.04 | 0.00 | 0.00 | 0.00 | 0.02 | 0.03 | 0.00 | 0.00 | 0.00 | 0.01 | 0.02 |
| Vitamin and mineral premix2 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
| Calculated composition | |||||||||||||||
| SID Lys (%) | 0.77 | 0.83 | 0.88 | 0.96 | 1.02 | 0.68 | 0.74 | 0.80 | 0.86 | 0.93 | 0.55 | 0.61 | 0.68 | 0.73 | 0.79 |
| SID Lys/ME (g/Mcal) | 2.4 | 2.6 | 2.8 | 3.0 | 3.2 | 2.1 | 2.3 | 2.5 | 2.7 | 2.9 | 1.8 | 2.0 | 2.2 | 2.4 | 2.6 |
| ME (Mcal/kg) | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 3.19 | 3.05 | 3.06 | 3.06 | 3.05 | 3.05 |
| Analyzed composition (%) | |||||||||||||||
| Lysine | 0.89 | 0.94 | 1.00 | 1.07 | 1.14 | 0.79 | 0.84 | 0.89 | 0.97 | 1.04 | 0.65 | 0.73 | 0.80 | 0.84 | 0.90 |
| Methionine | 0.25 | 0.25 | 0.27 | 0.28 | 0.31 | 0.24 | 0.26 | 0.26 | 0.28 | 0.29 | 0.20 | 0.21 | 0.23 | 0.23 | 0.24 |
| Threonine | 0.68 | 0.69 | 0.72 | 0.77 | 0.81 | 0.65 | 0.65 | 0.66 | 0.71 | 0.74 | 0.55 | 0.55 | 0.56 | 0.60 | 0.66 |
| Tryptophan | 0.21 | 0.21 | 0.22 | 0.24 | 0.24 | 0.21 | 0.20 | 0.21 | 0.22 | 0.23 | 0.17 | 0.18 | 0.17 | 0.18 | 0.19 |
| Calcium | 0.75 | 0.75 | 0.75 | 0.74 | 0.74 | 0.71 | 0.70 | 0.70 | 0.71 | 0.70 | 0.63 | 0.65 | 0.65 | 0.63 | 0.63 |
| Phosphorus | 0.63 | 0.62 | 0.63 | 0.64 | 0.63 | 0.61 | 0.61 | 0.60 | 0.62 | 0.60 | 0.61 | 0.60 | 0.59 | 0.62 | 0.61 |
1 DL-methionine hydroxy analogue (84%), brand name of Novus International Inc., St. Louis, MO.
2 Vitamin and mineral premix provided the following per kg of feed:
29 to 47 kg: Vitamin A, 6,000 IU; Vitamin D3, 2,400 IU; Vitamin E, 21.6 IU; Vitamin K3, 2 mg; Vitamin B1, 0.96 mg; Vitamin B2, 5.2 mg; Vitamin B6, 2 mg; Vitamin B12, 12 μg; Nicotinic acid, 22 mg; Pantothenic acid, 11.2 mg; Folic acid, 0.4 mg; Biotin, 40 μg; Choline chloride, 0.4 g; Fe, 120 mg; Cu, 140 mg; Zn, 100 mg; Mn, 16 mg; I, 0.24 mg; Se, 0.4 mg.
54 to 76 kg: Vitamin A, 5,600 IU; Vitamin D3, 2,200 IU; Vitamin E, 21.6 IU; Vitamin K3, 1.8 mg; Vitamin B1, 0.88 mg; Vitamin B2, 4 mg; Vitamin B6, 1.8 mg; Vitamin B12, 12 μg; Nicotinic acid, 20 mg; Pantothenic acid, 10 mg; Folic acid, 0.4 mg; Biotin, 40 μg; Choline chloride, 0.32 g; Fe, 88 mg; Cu, 120 mg; Zn, 96 mg; Mn, 16 mg; I, 0.24 mg; Se, 0.4 mg.
84 to 109 kg: Vitamin A, 5,200 IU; Vitamin D3, 2,000 IU; Vitamin E, 17.2 IU; Vitamin K3, 1.6 mg; Vitamin B1, 0.8 mg; Vitamin B2, 3.6 mg; Vitamin B6, 1.6 mg; Vitamin B12, 10 μg; Nicotinic acid, 17.6 mg; Pantothenic acid, 8.8 mg; Folic acid, 0.38 mg; Biotin, 32 μg; Choline chloride, 0.24 g; Fe, 76 mg; Cu, 120 mg; Zn, 76 mg; Mn, 12 mg; I, 0.24 mg; Se, 0.4 mg.