Table 1.
Experimental diets composition and nutrition level.
| Ingredient (%) | Diets |
|||
|---|---|---|---|---|
| Control | YPS1 | YPS2 | YPS3 | |
| Fish meal | 29 | 29 | 29 | 29 |
| Peanut meal | 18 | 18 | 18 | 18 |
| Soybean meal | 16 | 16 | 16 | 16 |
| Squid visceral meal | 5 | 5 | 5 | 5 |
| Wheat flour | 25.3 | 25.3 | 25.3 | 25.3 |
| Fish oil | 2.5 | 2.5 | 2.5 | 2.5 |
| Vitamin C ester (35%) | 0.1 | 0.1 | 0.1 | 0.1 |
| Ca(H2PO4)2 | 1 | 1 | 1 | 1 |
| Choline chloride (50%) | 0.25 | 0.25 | 0.25 | 0.25 |
| Soybean phospholipid | 2 | 2 | 2 | 2 |
| Cholesterol | 0.1 | 0.1 | 0.1 | 0.1 |
| Vitamin premixa | 0.25 | 0.25 | 0.25 | 0.25 |
| Mineral premixb | 0.5 | 0.5 | 0.5 | 0.5 |
| APS | 0 | 1.3 | 1.3 | 1.3 |
| AMP | 0 | 0.325 | 0.325 | 0.325 |
| SPS | 0 | 0.325 | 0.65 | 0.975 |
| Proximate analysis (%) | ||||
| Crude protein | 45.6 | 45.1 | 45.8 | 45.8 |
| Crude lipid | 8.3 | 8.4 | 8.3 | 8.2 |
| Ash | 11.6 | 10.8 | 11.4 | 11.2 |
| Fibre | 3.8 | 3.6 | 3.8 | 3.4 |
| Moisture | 7.1 | 7.6 | 7.5 | 7.5 |
a
Per kg Vitamin premix contains the following: VA 4,000,000 IU, VB1 5g, VB2 15 g, VB6 8g, VB12 40 g, VD 2,000,000 IU, VE 30 g, VK 10 g, calcium pantothenate 25 g, folic acid 2.5 g, biotin 0.08 g, nicotinic acid 30 g, inositol 150 g.
b
Per kg Mineral premix contains the following: MgSO4·H2O 12 g, KCl 90 g, Met-Cu 3 g, Met-Co 0.16 g, FeSO4·H2O 1 g, ZnSO4·H2O 10 g, Ca(IO3)2 0.06 g, NaSeO3 0.0035 g.