TABLE 1.
Composition of dietary treatments
| Dietary treatments |
||||
|---|---|---|---|---|
| aP, %: 0.40 |
0.23 |
0.23 |
0.40 |
|
| Ca, %: 1.00 | 1.00 | 0.58 | 0.58 | |
| Ingredients | g/kg | |||
| Soybean meal, 48% | 393.4 | 385.0 | 382.3 | 392.2 |
| Corn | 329.5 | 345.4 | 360.4 | 343.1 |
| Whey | 200 | 200 | 200 | 200 |
| Monosodium phosphate | 7.9 | — | — | 7.9 |
| Choice white grease | 40 | 40 | 40 | 40 |
| Limestone | 19.7 | 19.8 | 7.4 | 7.4 |
| Salt | 3.5 | 3.5 | 3.5 | 3.5 |
| Vitamin premix1 | 2.5 | 2.5 | 2.5 | 2.5 |
| Trace mineral premix2 | 1.3 | 1.3 | 1.3 | 1.3 |
| Lysine-HCl | 0.5 | 0.5 | 0.5 | 0.5 |
| Na selente premix3 | 0.5 | 0.5 | 0.5 | 0.5 |
| l-Threonine | 0.3 | 0.3 | 0.3 | 0.3 |
| d,l-Methonine | 0.9 | 1.0 | 1.0 | 1.0 |
| Calculated composition | ||||
| ME, MJ/kg | 15.00 | 15.10 | 15.36 | 15.20 |
| P, % | 0.66 | 0.49 | 0.50 | 0.67 |
| aP4, % | 0.40 | 0.23 | 0.23 | 0.40 |
| Ca, % | 1.00 | 1.00 | 0.58 | 0.58 |
| L-lysine, % | 1.50 | 1.50 | 1.50 | 1.50 |
| Analyzed composition | ||||
| P, % | 0.69 | 0.46 | 0.45 | 0.70 |
| Ca, % | 1.15 | 1.19 | 0.64 | 0.67 |
| Dry matter, % | 89.2 | 89.5 | 89.6 | 90.1 |
1
Vitamin premix provided the following guaranteed minimums per kg diet: retinyl acetate, 17.5 mg; cholecalciferol, 24.2 mg; α-tocopheryl acetate, 44 mg; menadione, 2.0 mg; vitamin B-12, 34.98 μg; riboflavin, 7.08 mg; d-pantothenic acid, 21.9 mg; niacin, 32.93 mg.
2
Trace mineral premix provided the following guaranteed minimums per kg diet: iron, 84.7 mg; zinc, 84.7 mg; manganese, 10.5 mg; copper, 7.87 mg; iodine, 0.32 mg.
3
Premix provided 0.3 mg Se/kg diet.
4
Calculated as tP-phytate bound P.