Research Article
Increasing Phosphorus Digestibility in Common Carp (Cyprinus carpio L.) Farming Using Phytase and Citric Acid
Table 1
Composition of experimental diets.
| | Component | C | L | H | LA | HA |
| | KP1 (18% CP1) (g/kg) | 900 | 900 | 900 | 870 | 870 | | Soybean meal (45% CP1) (g/kg) | 100 | 100 | 100 | 100 | 100 | | Citric acid2 (g/kg) | 0 | 0 | 0 | 30 | 30 | | Phytase3 (FTU/kg) | 0 | 500 | 1,000 | 500 | 1000 | | Pellet-dur (g/kg) | 5 | 5 | 5 | 5 | 5 | | Dry matter (g/kg) | 925.60 | 923.30 | 924.30 | 925.60 | 928.40 | | Crude protein (g/kg) | 247.30 | 246.30 | 243.80 | 242.80 | 241.60 | | Crude fat (g/kg) | 57.40 | 59.70 | 53.90 | 50.70 | 53.40 | | Crude fiber (g/kg) | 56.00 | 50.80 | 49.80 | 50.00 | 51.90 | | Digestible energy (MJ/kg) | 17.32 | 17.14 | 17.18 | 17.12 | 17.08 | | Total P (g/kg) | 6.50 | 6.10 | 6.10 | 6.10 | 5.90 | | Calcium4 (mg/kg) | 9,600 | | Sodium4 (mg/kg) | 1,800 | | Iron4 (mg/kg) | 100.26 | | Iodine4 (mg/kg) | 1.02 | | Copper4 (mg/kg) | 4.95 | | Manganese4 (mg/kg) | 20.10 | | Zinc4 (mg/kg) | 86.64 | | Selenium4 (mg/kg) | 0.41 | | Vitamin A4 (IU/kg) | 8100 | | Vitamin D34 (IU/kg) | 1,500 | | Vitamin E4 (mg/kg) | 59.51 |
|
|
1Crude protein. 299.8%–100.5% C3H4(OH)x(COOH)3xH2O, CAS: 5949-29-1, E330. 3Phyzyme XP 10.000 TPT, 6-phytase (EC 3.1.3.26). 4Declared by the KP1 mixture manufactured by VKS Stříbrné Hory, αCZ 800181-01. C, control; L, low enzyme concentration; H, high enzyme concentration; LA, low enzyme concentration with citric acid; HA; high enzyme concentration with citric acid.
|
