. 2015 Oct 14;29(8):1145–1151. doi: 10.5713/ajas.15.0553

Table 5.

Effects of vitamin D₃ and 25-OH-D₃ on metatarsus mineralization in 1- to 21-d-old broiler chickens

Vitamin D₃ (μg/kg)	25-OH-D₃ (μg/kg)	Weight (g)	Length (cm)	Ash (g)	Ash (%)	Ca (%)	P (%)
0	0	0.50^c	3.56^f	0.12^c	22.20^e	7.68^e	3.67^f
2.5		0.58^c	3.84^ef	0.17^c	29.02^cd	10.23^d	4.94^de
5.0		0.80^b	4.29^bc	0.25^b	31.69^bcd	11.77^bc	5.81^abcd
10.0		0.91^ab	4.61^ab	0.30^ab	33.06^abc	12.01^abc	5.93^abc
20.0		0.97^a	4.65^a	0.35^a	36.71^a	13.20^a	6.68^a
	1.25	0.59^c	3.92^de	0.16^c	27.41^d	10.39^d	4.92^e
	2.5	0.80^b	4.23^cd	0.25^b	29.50^cd	10.84^cd	5.40^cde
	5.0	0.94^ab	4.55^abc	0.30^ab	31.65^bcd	11.32^cd	5.67^bcde
	10.0	0.94^ab	4.58^abc	0.34^a	35.86^ab	12.88^ab	6.35^ab
SEM		0.03	0.06	0.01	0.69	0.25	0.14
p value
Vitamin D₃	Linear	<0.001	<0.001	<0.001	<0.001	<0.001	<0.001
	Quadratic	0.133	0.052	0.582	0.029	<0.001	0.007
25-OH-D₃	Linear	<0.001	<0.001	<0.001	<0.001	<0.001	<0.001
	Quadratic	0.071	0.024	0.519	0.593	0.076	0.104

25-OH-D₃, 25-hydroxycholecalciferol; SEM, standard error of the mean.

^a–f

Means in the same column without a common superscript differ significantly (p<0.05).