Table 4.

Toe ash, tibia ash, and tibia breaking strength at 14 D and 31 D of age.

Items	Vitamin D3 (IU/kg)						SEM	P-value
	80	200	500	1,250	3,125	7,813		VD3	Linear	Quadratic
At 14 D
Toe ash (%)	10.98b	10.85b	12.02a	12.39a	12.05a	12.04a	0.12	<0.001	0.032	0.001
Tibia ash (%)	39.91a,b	39.72b	41.36a,b	41.89a,b	42.26a,b	42.94a	0.34	0.020	0.004	0.092
Tibia strength (kgf/mm)1	8.54	8.67	8.73	8.91	9.35	9.85	0.18	0.236	0.009	0.561
At 31 D
Toe ash (%)	11.94	12.21	11.94	12.00	11.97	12.01	0.07	0.890	0.92	0.767
Tibia ash (%)	40.86c	41.41b	42.99a,b,c	42.97a,b,c	43.74a,b	44.83a	0.34	0.001	<0.001	0.099
Tibia strength (kgf/mm)	19.32	19.73	19.92	20.18	20.69	21.26	0.27	0.321	0.021	0.441

^a-cWithin comparisons, means in a row with no common superscript differs significantly (P < 0.05).

¹Kilogram force per millimeter.