Table 5. Development of cloned embryos treated with 5-aza-dC for different time durations.

Time (h)	No. embryos fused (Rep.)	No. embryos cleaved (% ± SEM)	No. blastocysts (% ± SEM)	Total cell numbers of blastocysts (mean ± SEM) &
0	196 (4)	173 (89.31 ± 1.33)	40 (20.16 ± 2.04)a	38 ± 2 (n=39)
24	178 (4)	161 (90.53 ± 1.53)	52 (29.64 ± 1.65)b	40 ± 3 (n=49)
48	168 (4)	144 (85.85 ± 2.25)	41 (24.37 ± 2.26)ab	35 ± 2 (n=38)

^& Blastocyst cell numbers of less than 16 were not included. ^{a, b} Values in the same column with different superscripts differ significantly (P<0.05).