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Ingredient (%) | Control | MHP | MCP | |||
---|---|---|---|---|---|---|
|
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0.5% | 1.0% | 1.5% | 2.0% | |||
Fish meal | 20.00 | 20.00 | 20.00 | 20.00 | 20.00 | 20.00 |
Soybean meal | 40.00 | 40.00 | 40.00 | 40.00 | 40.00 | 40.00 |
Corn gluten M | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 |
Wheat flour | 27.18 | 27.18 | 27.18 | 27.18 | 27.18 | 27.18 |
Soya oil | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 |
Fish oil | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 |
Vit. mix1 | 0.70 | 0.70 | 0.70 | 0.70 | 0.70 | 0.70 |
Min. mix2 | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 |
Lysine-HCl | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 |
DL-methionine | 0.20 | 0.20 | 0.20 | 0.20 | 0.20 | 0.20 |
Choline-HCl | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 |
Antioxidant | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 |
Cellulose | 2.00 | 1.50 | 1.00 | 0.50 | - | - |
MHP | - | 0.50 | 1.00 | 1.50 | 2.00 | - |
MCP | - | - | - | - | - | 2.00 |
Total | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 |
Composition (%, DM) | ||||||
Crude protein | 42.78 | 42.87 | 42.80 | 42.56 | 42.49 | 43.04 |
Crude lipid | 6.77 | 6.59 | 6.53 | 6.45 | 6.57 | 6.57 |
Crude fiber | 4.29 | 3.76 | 3.10 | 2.80 | 2.32 | 2.21 |
Crude ash | 7.45 | 8.33 | 8.67 | 8.97 | 9.34 | 8.58 |
Ca | 1.40 | 1.45 | 1.51 | 1.55 | 1.59 | 1.65 |
P | 1.08 | 1.16 | 1.24 | 1.32 | 1.42 | 1.49 |
AP5 | 0.42 | 0.50 | 0.57 | 0.65 | 0.73 | 0.79 |
1 Vitamin added to supply the following (per kg diet): vitamin A, 4,000 IU; vitamin D3, 800 IU; vitamin E, 150 IU; vitamin K3, 20 mg; thiamine HCl, 25 mg; riboflavin, 50 mg; D-Ca pantothenate, 100 mg; biotin, 1 mg; folic acid, 20 mg; vitamin B12, 0.2 mg; niacin, 200 mg; pyridoxine HCl, 20 mg; ascorbic acid, 500 mg; inositol, 200 mg; BHT, 15 mg; BHA, 15 mg.
2 Mineral added to supply the following (per kg diet): copper sulfate (25.4% Cu), 30.5 mg; zinc sulfate (22.7% Zn), 230 mg; manganous sulfate (32.5% Mn), 100 mg; cobalt chloride (24.8% Co), 20 mg; potassium iodide (76.4% I), 6.5 mg; sodium selenite (45.6% Se), 2.2 mg; sodium fluoride (45.2% F), 8 mg.
Parameters | Diet | |||||
---|---|---|---|---|---|---|
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Control | MHP0.5 | MHP1.0 | MHP1.5 | MHP2.0 | MCP | |
Feed intake (%/av. wt/d) | 2.85±0.08a | 2.69±0.07b | 2.56±0.09c | 2.61±0.04bc | 2.49±0.06c | 2.60±0.05bc |
WG2 | 374.76±26.62b | 414.38±32.58b | 441.29±19.78a | 443.26±26.95a | 446.73±42.80a | 442.88±24.62a |
FE3 | 87.07±4.47c | 93.68±3.38b | 100.41±2.49ab | 97.69±1.47ab | 102.50±5.43a | 99.24±2.32ab |
PER4 | 2.15±0.10b | 2.14±0.06b | 2.41±0.10a | 2.33±0.03a | 2.47±0.10a | 2.39±0.05a |
SGR5 | 2.78±0.10b | 2.92±0.11ab | 3.01±0.06a | 3.02±0.09a | 3.02±0.13a | 3.02±0.08a |
SR6 | 93.33±3.33 (6)a | 78.89±1.92 (19)b | 92.22±8.39 (7)a | 91.11±5.09 (8)a | 94.44±6.93 (5)a | 93.33±3.33 (6)a |
MHP, magnesium hydrogen phosphate; MCP, monocalcium phosphate; WG, weight gain; FE, feed efficiency; PER, protein efficiency ratio; SGR, specific growth rate; SR, survival rate; SD, standard deviation; DM, dry matter.