Table 5.
Ingredient composition of diets for growing chicks (g/kg diet)
| Ingredient | 0.64% Gly/0.45% dThr1 | 0.64% Gly/0.60% dThr | 0.98% Gly/0.45% dThr | 0.98% Gly/0.60% dThr |
|---|---|---|---|---|
| Wheat | 400.00 | 400.00 | 400.00 | 400.00 |
| Wheat gluten | 170.00 | 170.00 | 170.00 | 170.00 |
| Wheat starch | 332.47 | 330.94 | 328.97 | 327.44 |
| Soybean oil | 18.00 | 18.00 | 18.00 | 18.00 |
| Premix2 | 10.00 | 10.00 | 10.00 | 10.00 |
| CaCO3 | 10.00 | 10.00 | 10.00 | 10.00 |
| Monocalcium phosphate | 25.00 | 25.00 | 25.00 | 25.00 |
| NaCl | 3.00 | 3.00 | 3.00 | 3.00 |
| L-Lys·HCl | 8.70 | 8.70 | 8.70 | 8.70 |
| DL-Met | 1.63 | 1.63 | 1.63 | 1.63 |
| L-Gly | 0 | 0 | 3.50 | 3.50 |
| L-Thr | 0 | 1.53 | 0 | 1.53 |
| L-Trp | 0.35 | 0.35 | 0.35 | 0.35 |
| L-Arg | 4.30 | 4.30 | 4.30 | 4.30 |
| L-Ileu | 1.00 | 1.00 | 1.00 | 1.00 |
| L-Val | 0.55 | 0.55 | 0.55 | 0.55 |
| L-Glu | 15.00 | 15.00 | 15.00 | 15.00 |
| Amino acid ratio3 | Lys (1):Thr (0.43):Gly (0.56):Gly+Ser (1.34) | Lys (1):Thr (0.56):Gly (0.56):Gly+Ser (1.34) | Lys (1):Thr (0.43):Gly (0.86):Gly+Ser (1.64) | Lys (1):Thr (0.56):Gly (0.86):Gly+Ser (1.64) |
| MEN (MJ/kg DM) | 14.89 | 14.89 | 14.89 | 14.89 |
1
True digestible threonine (AminoDat 1.1, Degussa, 1997).
2
Main ingredients per kg of premix (Co. Vilomix, Germany): 175.0 g calcium, 80.0 g sodium, 1,200,000 IU vitamin A, 300,000 IU vitamin D3, 3,000 mg vitamin E, 200 mg vitamin B1, 480 mg vitamin B2, 360 mg vitamin B6, 1.5 mg vitamin B12, 300 mg vitamin K3, 5.0 g niacin, 900 mg calcium-pantothenate, 90 mg folic acid, 5 mg biotin, 80.0 g choline chloride, 12.0 g manganese, 8.0 g zinc, 5.0 g iron, 3.0 g copper, 120 mg iodine, 55 mg cobalt, 42 mg selenium, 10.0 g BHT, 12.5 g monensine-Na.
3
Threonine was adjusted as a limiting amino acid; Lys (1):Met/Cys (0.79):Trp (0.19):Arg (1.05) in the diets.