Table 3.

Growth performance of broilers as influenced by different levels of Ca and P

Ca (%)	Npp (%)	Ca/nPP	Weight gain (g)	Feed intake (g)	Feed/gain
0.60	0.27	2.22	564b	803b	1.42
0.60	0.50	1.20	569b	826b	1.45
1.10	0.27	4.07	327a	510a	1.58
1.10	0.50	2.20	567b	830b	1.47
SEM			9.03	10.47	0.029
Main effects
Ca levels
0.60			566	814	1.44
1.10			447	670	1.52
nPP level
0.27			445	656	1.50
0.50			567	828	1.46
Source of variation			———p-value———
Ca levels			<0.001	<0.001	0.162
nPP levels			<0.001	<0.001	0.490
Ca levels×nPP levels			<0.001	<0.001	0.242

^a–dWithin comparisons, means in a column with no common superscripts differ significantly (p≤0.05). n = 6.