Table 3.
Ingredient composition of the experimental diets in Exp. 2 (%, as-fed basis).
| Item | N-free diet | SBM | FCGM |
|---|---|---|---|
| Ingredients | |||
| Corn starch | 73.35 | 57.50 | 23.00 |
| SBM | – | 27.50 | – |
| FCGM | – | – | 62.00 |
| Sucrose | 15.00 | 10.00 | 10.00 |
| Soybean oil | 3.00 | 2.00 | 2.00 |
| Cellulose acetic acid1 | 4.00 | – | – |
| Dicalcium phosphate | 3.00 | 1.20 | 1.20 |
| Limestone | – | 0.70 | 0.70 |
| Salt | 0.45 | 0.30 | 0.30 |
| Magnesium oxide | 0.10 | – | – |
| Potassium carbonate | 0.30 | – | – |
| Chromic oxide | 0.30 | 0.30 | 0.30 |
| Vitamin and trace element premix2 | 0.50 | 0.50 | 0.50 |
| Analyzed nutrient levels | |||
| DM | 90.86 | 89.25 | 88.02 |
| CP | 0.45 | 12.46 | 13.66 |
| Essential amino acids | |||
| Arginine | 0.01 | 0.85 | 0.35 |
| Histidine | – | 0.42 | 0.41 |
| Isoleucine | 0.01 | 0.50 | 0.45 |
| Leucine | 0.04 | 0.83 | 1.10 |
| Lysine | 0.01 | 0.74 | 0.49 |
| Methionine | 0.03 | 0.16 | 0.26 |
| Phenylalanine | 0.02 | 0.56 | 0.58 |
| Threonine | 0.01 | 0.54 | 0.48 |
| Tryptophan | – | 0.15 | 0.15 |
| Valine | 0.02 | 0.60 | 1.11 |
| Non-essential amino acids | |||
| Alanine | 0.02 | 0.53 | 1.08 |
| Asparagine | 0.02 | 1.38 | 0.98 |
| Cystine | – | 0.23 | 0.26 |
| Glutamine | – | 2.06 | 2.16 |
| Glycine | 0.02 | 0.55 | 0.62 |
| Proline | – | 0.59 | 1.12 |
| Serine | 0.01 | 0.61 | 0.68 |
| Tyrosine | 0.02 | 0.36 | 0.43 |
SBM = soybean meal; FCGM = fermented corn germ meal; DM = dry matter; CP = crude protein.
1
Made by Chemical Reagents Company, Beijing, China.
2
The vitamin and trace element premix compositions were the same as those in Exp. 1.