Table 1.
Ingredients and nutritional composition of the diets fed to piglets (10 to 30 kg BW) in Exp. 1 (as-fed basis, %).
| Item | Diets1 |
|
|---|---|---|
| CP17 | CP20 | |
| Ingredients | ||
| Corn | 66.50 | 63.70 |
| Soybean | 18.80 | 19.80 |
| Whey powder | 4.30 | 4.30 |
| Fishmeal | 4.00 | 9.00 |
| Soybean oil | 2.60 | 0.80 |
| Lysine | 0.62 | 0.38 |
| Hydroxy methionine | 0.19 | 0.10 |
| L-threonine | 0.21 | 0.09 |
| L-tryptophan | 0.04 | 0.01 |
| Monocalcium phosphate | 0.74 | 0.00 |
| Limestone | 0.70 | 0.52 |
| Sodium chloride | 0.30 | 0.30 |
| Premix vitamins2 | 1.00 | 1.00 |
| Total | 100.00 | 100.00 |
| Nutrients and energy3 | ||
| DE, MJ/kg | 14.60 | 14.62 |
| Crude fat | 4.31 | 4.33 |
| Total calcium | 0.59 | 0.58 |
| Total phosphorus | 0.49 | 0.50 |
| CP | 17.09 | 20.05 |
| Lysine | 1.23 | 1.23 |
| Methionine + Cystine | 0.67 | 0.68 |
| Threonine | 0.74 | 0.73 |
| Tryptophan | 0.20 | 0.20 |
| Lys:CP ratio | 7.20 | 6.13 |
DE = digestible energy; CP = crude protein.
1
CP20 is the diet containing 20% CP; CP17 is the diet containing 17% CP.
2
Premix vitamins supplied per kilogram of diet: 5 mg Cu, 80 mg Fe, 3 mg Mn, 85 mg Zn, 0.1 mg I, 0.3 mg Se, 50 mg nicotinic acid, 5 mg pantothenic acid, 2 mg folic acid, 0.2 mg biotin; 10,800 IU vitamin A, 4,000 IU vitamin D3, 40 IU vitamin E, 4 mg vitamin K3, 6 mg vitamin B1, 12 mg vitamin B2, and 0.05 mg vitamin B12.
3
Values are calculated.