Table 3.
Treatment | CON | H5 | H10 | H15 | H20 | H25 | H30 |
---|---|---|---|---|---|---|---|
Diet composition (g/1000 g) | |||||||
Fish meal | 261 | 234 | 208 | 181 | 155 | 128 | 101 |
Red blood cells | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
BSFL | 0 | 50 | 100 | 150 | 200 | 250 | 300 |
Soy protein isolate | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
Wheat gluten | 150 | 150 | 150 | 150 | 150 | 150 | 150 |
Wheat meal | 145 | 130 | 117 | 104 | 89 | 76 | 63 |
Maltodextrin | 130 | 130 | 130 | 130 | 130 | 130 | 130 |
Fish oil | 65 | 55 | 44 | 34 | 24 | 14 | 3 |
Lecithin | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
Premix 1 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
Vitamin premix 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Choline chloride | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
Limestone | 18 | 18 | 16 | 14 | 3 | 11 | 10 |
Phosphate 1-Ca | 0 | 2 | 4 | 6 | 8 | 10 | 12 |
TiO2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
Total | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 |
Levels of replacements by BSFL (%) | |||||||
Fish meal | 0 | 10.3 | 20.3 | 30.7 | 40.6 | 50.9 | 61.3 |
Fish oil | 0 | 15.4 | 32.3 | 47.7 | 61.3 | 78.5 | 95.4 |
Analysed chemical feed composition (g/1000 g) | |||||||
Dry matter | 938.4 | 937.4 | 934.5 | 934.7 | 934.9 | 936.0 | 935.9 |
Crude protein | 485.5 | 487.7 | 491.4 | 497.9 | 503.5 | 507.4 | 509.7 |
Crude fat | 99.7 | 102.4 | 101 | 95.5 | 92.1 | 92.3 | 91.0 |
Crude fibre | 6.7 | 9.9 | 13.3 | 16.7 | 19.9 | 23.2 | 26.5 |
Ash | 82.1 | 82.3 | 82.2 | 80.9 | 81.2 | 80.1 | 80.1 |
Nitrogen-free extract | 264.4 | 255.1 | 246.6 | 243.7 | 238.2 | 233.0 | 228.6 |
Ca | 13.5 | 14.3 | 14.3 | 14.3 | 14.7 | 14.7 | 15.0 |
P | 8.1 | 8.1 | 8.1 | 8.1 | 8.1 | 8.1 | 8.1 |
TiO2 | 3.0 | 2.8 | 2.9 | 3.2 | 3.1 | 3.2 | 3.4 |
Gross energy (MJ/kg) | 20.39 | 20.44 | 20.44 | 20.43 | 20.42 | 20.42 | 20.43 |
Calcium:phosphorus ratio (g:g) | |||||||
Ca:P ratio | 1.67:1 | 1.77:1 | 1.76:1 | 1.76:1 | 1.81:1 | 1.81:1 | 1.85:1 |
1 Polfamix W, BASF Polska Ltd. Kutno, Poland; containing per 1 kg: vitamin A 1000000 IU, vitamin D3 200000 IU, vitamin E 1.5 g, vitamin K 0.2 g, vitamin B1 0.05 g, vitamin B2 0.4 g, vitamin B12 0.001 g, nicotinic acid 2.5 g, D-calcium pantothenate 1.0 g, choline chloride 7.5 g, folic acid 0.1 g, methionine 150.0 g, lysine 150.0 g, Fe 2.5 g, Mn 6.5 g, Cu 0.8 g, Co 0.04 g, Zn 4.0 g, and J 0.008 g. 2 Vitazol AD3EC, BIOWET Drwalew, Poland; containing per 1 kg: vitamin A 50 000 IU, vitamin D3 5000 IU, vitamin E 30.0 mg, vitamin C 100.0 mg. CON: control feed, H5: experimental feed with 5% BSFL, H10: experimental feed with 10% BSFL, H15: experimental feed with 15% BSFL, H20: experimental feed with 20% BSFL, H25: experimental feed with 25% BSFL, H30: experimental feed with 30% BSFL.