Table 2.
Experimental diets formulation and proximate composition (% Dry Weight).
Experimental Diets Fish Meal Replacement (%) |
Control 0% |
YM25 25% |
YM50 50% |
YM75 75% |
YM100 100% |
---|---|---|---|---|---|
Ingredients | |||||
Fish meal 61% CP, Tuna | 25 | 18.75 | 12.5 | 6.25 | 0 |
Soybean | 25 | 25 | 25 | 25 | 25 |
Wheat gluten | 10 | 10 | 10 | 10 | 10 |
Squid liver powder | 5 | 5 | 5 | 5 | 5 |
Wheat flour | 26.7 | 26.55 | 26.65 | 26.15 | 27.15 |
Yellow Mealworm meal | 0 | 5.2 | 10.3 | 15.4 | 20.5 |
Tuna fish oil | 2 | 2 | 2 | 2 | 2 |
Soya oil | 1 | 0.85 | 0.75 | 0.65 | 0.55 |
Soy lecithin | 2 | 2 | 2 | 2 | 2 |
Lysine | 0 | 0.1 | 0.2 | 0.3 | 0.4 |
Methionine | 0 | 0.05 | 0.1 | 0.15 | 0.2 |
Monocalcium phosphate | 0 | 1.2 | 2.2 | 3.3 | 4.5 |
Lime stone/oyster shell | 0 | 0 | 0 | 0.5 | 1 |
Binder | 1.7 | 1.7 | 1.7 | 1.7 | 1.7 |
Vitamin premix * | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 |
Sum | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 |
Proximate composition (AOAC, 2000) | |||||
Moisture (%) | 9.38 | 8.82 | 8.75 | 9.02 | 9.45 |
Protein (%) | 35.30 | 35.66 | 35.73 | 36.39 | 36.37 |
Lipid (%) | 7.18 | 7.16 | 7.18 | 7.06 | 7.06 |
Fiber (%) | 2.86 | 2.86 | 2.85 | 2.79 | 2.78 |
Ash (%) | 8.25 | 8.02 | 7.35 | 6.65 | 6.03 |
Energy (MJ/kg) | 18.72 | 18.56 | 18.45 | 18.27 | 18.09 |
* Composition of the Vitamin premix: Choline chloride (50%) 0.3%, StayC 0.5%, DSM2050 0.2%, anti-oxidant 0.1%, Anti-mold 0.1%, Mold inhibitor 0.2%, Diluent 0.2%; AOAC: Association of Official Agricultural Chemists.