Dietary calcium requirements of broilers fed a conventional corn-soybean meal diet from 1 to 21 days of age

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	825^a	46.32	37.13^a	1.25	1.67
0.70	793^b	44.90	35.64^b	1.26	1.67
0.80	781^bc	44.43	35.09^bc	1.27	3.33
0.88	792^b	44.98	35.58^b	1.26	0.00
0.98	789^b	44.83	35.46^bc	1.27	0.00
1.09	768^bc	43.83	34.46^bc	1.27	0.00
1.18	757^c	43.43	33.94^c	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)

ISSN: 2049-1891