Table 1.
Formulation and proximate composition of diets (g/kg, dry matter).
| Item | Groups |
||||
|---|---|---|---|---|---|
| SBM | H25 | H50 | H75 | H100 | |
| Ingredients | |||||
| Fish meal | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 |
| Distiller dried grains with solubles | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 |
| Soybean meal (SBM)1 | 30.00 | 22.50 | 15.00 | 7.50 | 0.00 |
| Yellow mealworm meal (YMM)2 | 0.00 | 5.24 | 10.48 | 15.73 | 20.97 |
| Rapeseed meal | 20.00 | 20.00 | 20.00 | 20.00 | 20.00 |
| Rice bran | 10.00 | 10.00 | 10.00 | 10.00 | 10.00 |
| Wheat flour | 22.00 | 22.00 | 22.00 | 22.00 | 22.00 |
| Soybean oil | 2.14 | 2.00 | 1.86 | 1.71 | 1.57 |
| Bentonite | 0.12 | 2.52 | 4.92 | 7.32 | 9.72 |
| Choline chloride | 0.20 | 0.20 | 0.20 | 0.20 | 0.20 |
| Ca(H2PO4)2 | 1.50 | 1.50 | 1.50 | 1.50 | 1.50 |
| Premix3 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
| Antioxidant | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 |
| Anti-mildew agent | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 |
| Total | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 |
| Proximate analysis | |||||
| Crude protein | 30.56 | 30.62 | 30.65 | 30.67 | 30.73 |
| Crude fat | 5.64 | 5.67 | 5.69 | 5.61 | 5.66 |
| Crude ash | 10.29 | 10.07 | 10.04 | 10.15 | 10.25 |
1
SBM: crude protein at 46.35% and crude fat at 1.06%.
2
YMM was provided by the Z&C Biotechnology Co. Ltd. (crude protein at 69.01%, crude fat at 5.88%).
3
MGOTer Bio-Tech Co. Ltd (Shandong, China) provided the premix. Premix composition (per kilogram of diet): vitamin C phosphatase 6850 mg, vitamin D3 40,000 IU, vitamin A 120,000 IU, iron 4800 mg, acid 3200 mg, magnesium 4000 mg, calcium pantothenate 720 mg, manganese 800 mg, nicotinic acid 1000 mg, zinc 2000 mg, vitamin B2 280 mg, vitamin B1 200 mg, vitamin E 480 mg, vitamin B8 240 mg, vitamin K3 200 mg, iodine 40 mg, copper 160 mg, selenium 4 mg, cobalt 12 mg, vitamin B12 0.6 mg, folic acid 60 mg, biotin 1.2 mg.