TABLE 2.
No phytase |
Phytase |
p-value1 |
||||||
Treatment of cereal grains | Con | LA | Con | LA | SEM | Phytase | LA | Phytase × LA |
Dry matter (%) | 30.6 | 34.9 | 28.1 | 31.2 | 1.666 | 0.076 | 0.038 | 0.696 |
Crude Protein (%) | 23.1 | 23.9 | 23.0 | 23.0 | 0.430 | 0.271 | 0.400 | 0.319 |
Neutral-detergent fiber (%) | 39.7 | 41.5 | 40.8 | 42.7 | 0.591 | 0.058 | 0.004 | 0.944 |
Acid-detergent fiber (%) | 16.7 | 17.4 | 17.5 | 18.0 | 0.242 | 0.010 | 0.022 | 0.605 |
Total starch (%) | 5.64 | 7.00 | 6.69 | 7.88 | 0.737 | 0.202 | 0.096 | 0.913 |
Non-resistant starch (%) | 5.5 | 6.8 | 6.5 | 7.7 | 0.738 | 0.205 | 0.091 | 0.915 |
Resistant starch (%) | 0.17 | 0.15 | 0.18 | 0.15 | 0.010 | 0.607 | 0.068 | 0.811 |
Phosphorus (g/kg) | 2.1 | 1.9 | 1.3 | 1.1 | 0.406 | < 0.001 | <0.001 | 0.891 |
Calcium (g/kg) | 1.7 | 1.5 | 1.1 | 1.1 | 0.539 | < 0.001 | 0.242 | 0.205 |
Calcium: Phosphorus-ratio | 0.78 | 0.79 | 0.84 | 1.01 | 0.026 | < 0.001 | <0.001 | 0.005 |
Values are presented as least square means ± SEM (n = 8 pigs per dietary treatment). Con, control diet; LA, diet containing lactic acid-treated cereals. 1p-values for fixed effects (phytase, LA treatment of cereals and their two-way interaction) were computed using ANOVA and the PROC MIXED in SAS.