Table 4. Effects of dietary Ca concentration on nutrient digestibility in pig (experiment 1)¹⁾

Ca level	Low	Standard	High	SEM	p-value
Phase 1, 14 d (%)
DM	75.96	75.50	74.90	0.86	0.487
CP	73.29	72.84	73.07	0.35	0.481
CF	72.82	72.16	71.47	0.83	0.621
Ash	63.43	64.16	64.37	0.52	0.212
Ca	65.70	65.47	64.50	0.62	0.170
P	52.11^a	50.54^ab	48.24^b	0.89	0.003
Phase 2, 28 d (%)
DM	72.88	72.52	72.70	0.44	0.721
CP	71.69	70.84	71.07	0.71	0.335
CF	70.62	70.56	70.07	0.47	0.480
Ash	61.81	61.16	60.97	0.63	0.409
Ca	63.60	64.15	63.26	0.84	0.588
P	52.25^a	50.19^ab	46.93^b	1.08	0.005

Phase 1: Low, 0.60%; Standard, 0.72%; High, 0.84%; Phase 2: Low, 0.50%; Standard, 0.66%; High, 0.82%.
Means values within a row with unlike superscript letters were significantly different (p < 0.05).
DM, dry matter; CP, crude protein; CF, crude fat.