Table 2. Marginal means of ARS and ALP values of different time periods and their effect over groups (two-way ANOVA).

	Day 7	Day 14	Day 21	P
ARS	0.0816±0.014	0.1128±0.02*	0.1258±0.0258*#	<0.001
ALP	1.865±0.317	0.322±0.054*	0.511±0.079*#	<0.001

*, significance vs. day 7 group; ^#, significance vs. day 14 group within each group. P, probability P<0.05. ANOVA, analysis of variance; ARS, Alizarin red S; ALP, alkaline phosphatase.