Table 2.

Effects of 25-hydroxycholecalciferol supplementation on growth performance of broilers fed normal or low calcium and phosphorus diet.¹

Item	BW (g)		ADG (g/D)			ADFI (g/D)			FCR (g/g)
	day 21	day 42	days 1–21	days 22–42	days 1–42	days 1–21	days 22–42	days 1–42	days 1–21	days 22–42	days 1–42
Main effect
CaP level
Normal	682	2,475	30.26	85.37	57.58	38.43	126.66	82.11	1.27	1.48	1.43
Low	623	2,217	27.43	75.93	51.58	35.89	128.31	81.90	1.31	1.71	1.59
25-OH-D3
−	653	2,287	28.86	77.82	53.21	37.62	129.26	83.22	1.31	1.68	1.58
+	652	2,405	28.83	83.48	55.95	36.71	125.71	80.79	1.27	1.51	1.44
SEM	16.22	60.58	0.77	2.73	1.43	1.69	6.09	3.31	0.05	0.07	0.05
P-value
CaP level	0.001	<0.001	0.001	0.002	<0.001	0.146	0.789	0.952	0.478	0.003	0.002
25-OH-D3	0.940	0.063	0.959	0.047	0.068	0.597	0.565	0.469	0.564	0.015	0.010
CaP × 25-OH-D3	0.796	0.135	0.817	0.131	0.128	0.691	0.553	0.403	0.757	0.327	0.580

Data were the means and SEM.

¹BW, body weight; ADFI, average daily feed intake; ADG, average daily weight gain; FCR, feed conversion ratio; 25-OH-D3, 25-hydroxycholecalciferol.