Table 2.
Starter basal diets |
Grower basal diets |
|||||
---|---|---|---|---|---|---|
Item | Standard phytate P | Moderate phytate P | High phytate P | Standard phytate P | Moderate phytate P | High phytate P |
Analyzed nutrient composition of the experimental diets, % | ||||||
Crude protein | 21.54 | 21.67 | 21.84 | 19.30 | 18.73 | 19.52 |
Total phosphorus | 0.52 | 0.62 | 0.75 | 0.45 | 0.59 | 0.74 |
Total calcium | 0.67 | 0.63 | 0.56 | 0.65 | 0.53 | 0.55 |
Total lysine | 1.34 | 1.29 | 1.34 | |||
Phytate phosphorus | 0.23 | 0.33 | 0.42 | 0.22 | 0.32 | 0.45 |
Phytase activity recovered in the experimental diets, phytase units/kg | ||||||
0 | < 50 | < 50 | < 50 | < 50 | < 50 | < 50 |
500 | 400 | 329 | 466 | 504 | 543 | 604 |
1,000 | 917 | 911 | 1,030 | 847 | 934 | 946 |
2,000 | 2,200 | 1,850 | 1,970 | 1,480 | 1,790 | 1,780 |
Xylanase activity recovered in the experimental diets, xylanase units/kg | ||||||
0 | 14,000 | 15,800 | 15,500 | 18,200 | 18,000 | 18,700 |
500 | 14,000 | 18,700 | 16,300 | 18,200 | 18,400 | 18,300 |
1,000 | 16,900 | 15,400 | 16,600 | 16,800 | 18,600 | 15,700 |
2,000 | 16,600 | 15,400 | 17,200 | 14,200 | 15,600 | 16,700 |