Table.3.

Effect of dietary calcium (Ca) level on the growth performance of broilers during 1 to 21 d of age¹

Analyzed dietary Ca level, %	Body weight on d 21, g	ADFI, g/d	ADG, g/d	FCR, g/g	Mortality2, %
0.59	825a	46.32	37.13a	1.25	1.67
0.70	793b	44.90	35.64b	1.26	1.67
0.80	781bc	44.43	35.09bc	1.27	3.33
0.88	792b	44.98	35.58b	1.26	0.00
0.98	789b	44.83	35.46bc	1.27	0.00
1.09	768bc	43.83	34.46bc	1.27	0.00
1.18	757c	43.43	33.94c	1.28	0.00
SEM	10.8	1.668	0.096	0.029	0.017
P-value
Ca level	0.004	0.11	0.004	0.71	0.33
Linear	< 0.0001	–	< 0.0001	–	–
Quadratic	0.72	–	0.72	–	–

¹Data represented the means of 6 replicates (n = 6)

²Mortality was based on analysis after anti-sine transform

^a-cMeans within a column with unlike superscript letters were significantly different (P < 0.05)