Table 3.

Analyzed nutrient content (as-fed basis) of period 1 and period 2 basal diets^a,b

Item	Period 1	Period 2
Dry matter, %	89.7	88.5
Gross energy, kcal/kg	3,967 (4,035)	3,925 (4,016)
Crude protein, %	21.2 (21.4)	21.4 (21.6)
Total Lys, %	1.61 (1.55)	1.54 (1.43)
Total Thr, %	0.96 (0.98)	0.95 (0.93)
Total Met, %	0.53 (0.54)	0.46 (0.51)
Total Met + Cys, %	0.84 (0.88)	0.80 (0.86)
Total Trp, %	0.24 (0.27)	0.23 (0.26)
Total Val, %	1.01 (1.03)	1.03 (0.98)
Total Ile, %	0.90 (0.87)	0.98 (0.89)
Total Ca, %	1.16 (0.91)	0.86 (0.88)
Total P, %	0.71 (0.70)	0.64 (0.70)

^aPeriod 1 treatment diets were fed for the first 7 d of the 21-d growth performance study; period 2 treatment diets were fed for the last 14 d of the 21-d growth performance study.

^bValues in parentheses indicate formulated values (NRC, 2012).