TABLE 2.

Effects of dietary P and Ca concentrations on pig performance¹

	Dietary treatment				P-value
	P, %: 0.40	0.40	0.23	0.23
Item	Ca, %: 1.00	0.58	1.00	0.58	P effect	Ca effect	P x Ca
Initial body weight, kg	7.38 ± 0.15	7.37 ± 0.14	7.44 ± 0.14	7.50 ± 0.14	0.641	0.893	0.894
Final body weight, kg	10.92 ± 0.38	11.50 ± 0.36	10.33 ± 0.34	10.92 ± 0.38	0.086	0.122	0.910
Weight gain, kg/d	0.250 ± 0.03	0.294 ± 0.02	0.206 ± 0.02	0.250 ± 0.03	0.078	0.115	0.906
Feed intake, kg/d	0.537 ± 0.04	0.567 ± 0.03	0.610 ± 0.03	0.573 ± 0.02	0.330	0.601	0.170
Gain:feed	0.461 ± 0.04	0.527 ± 0.04	0.329 ± 0.04	0.453 ± 0.05	0.027	0.028	0.498
P intake, mg/d	3.75 ± 0.24	4.02 ± 0.22	2.82 ± 0.21	2.23 ± 0.24	<0.0001	0.500	0.071

¹Means ± SE, n = 8 except P 0.40%, Ca 1.00%, n = 7.