Table 1.
The composition and nutrient levels of the experimental diets.
| Items (%) | Control | HELP3 diets |
|---|---|---|
| Ingredients | ||
| Corn | 64.15 | 66.25 |
| Soybean meal | 22.70 | 13.85 |
| Ground limestone | 7.50 | 7.50 |
| Soybean oil | 0.65 | 7.40 |
| Premix1 | 5.00 | 5.00 |
| Total | 100.00 | 100.00 |
| Nutrient level2 | ||
| Metabolizable energy (MJ/kg) | 11.20 | 12.96 |
| Crude protein | 15.80 | 12.00 |
| Calcium | 3.78 | 3.75 |
| Total phosphorus | 0.40 | 0.35 |
| Available phosphorus | 0.21 | 0.19 |
| Lysine | 0.76 | 0.53 |
| Methionine | 0.40 | 0.35 |
| Methionine + cysteine | 0.68 | 0.57 |
1
The premix provided the following per kg of diets: vitamin A 10,000 IU, vitamin D3 1,800 IU, vitamin E 10 IU, vitamin K 10 mg, vitamin B12 1.25 mg, thiamine l mg, riboflavin 4.5 mg, calcium pantothenate 50 mg, niacin 24.5 mg, pyridoxine 5 mg, biotin 1 mg, folic acid 1 mg, choline 500 mg, Mn 60 mg, I 0.4 mg, Fe 80 mg, Cu 8 mg, Se 0.3 mg, Zn 60 mg.
2
Crude protein, calcium, and total phosphorus were measured values, and the rest were calculated values.
3
HELP: high-energy and low-protein diet group.