Table 1.
Composition of experimental diets (% as-fed basis)
| Ingredients | CON2 | PR | BCAA |
|---|---|---|---|
| Corn (8.7% CP) | 55.14 | 65.71 | 64.90 |
| Dehulled soybean meal (47.9% CP) | 19.70 | 8.00 | 8.00 |
| Soy protein concentrate (65%) | 5.00 | 5.00 | 5.00 |
| Fish meal (64.5% CP) | 4.00 | 4.00 | 4.00 |
| Whey powder (3% CP) | 10.00 | 10.00 | 10.00 |
| Soybean oil | 2.10 | 2.30 | 2.60 |
| Salt | 0.34 | 0.35 | 0.35 |
| Limestone | 0.55 | 0.43 | 0.43 |
| Dicalcium phosphate, CaHPO4 | 1.30 | 1.50 | 1.50 |
| Zinc oxide, ZnO | 0.30 | 0.30 | 0.30 |
| Vitamin-mineral premix1 | 1.00 | 1.00 | 1.00 |
| L-lysine·HCl | 0.35 | 0.77 | 0.76 |
| L-threonine | 0.09 | 0.30 | 0.29 |
| L-tryptophan | 0.04 | 0.11 | 0.11 |
| DL-methionine | 0.09 | 0.23 | 0.23 |
| L-isoleucine | 0.19 | ||
| L-valine | 0.27 | ||
| L-leucine | 0.07 | ||
| Total | 100 | 100 | 100 |
CON, the corn-soybean based diet; PR, the protein restricted diet; BCAA, the BCAA supplementation in PR diet; CP, crude protein.
1
Provided per kilogram of complete diet: 8,500 IU of vitamin A; 1,100 IU of vitamin D3; 11.0 IU of vitamin E; 1.1 mg of vitamin K; 37.0 mg of niacin; 800 mg of choline chloride; 0.25 mg of biotin; 0.12 mg of vitamin B12; 0.75 mg of folic acid; 45 mg of Mn;105 mg of Zn;100 mg of Fe; 20 mg of Cu; 0.30 mg of Se; 0.10 mg of I.