Table 4. Effects of hrG-CSF (10 ng/mL) treatment duration on in vitro development of parthenotes.

Groups	No. of oocytes	No. (%) of embryos developed to		Blastocyst cell Number (N)
	cultured (3)*	≥ 2-cells (%)†	Blastocysts (%) †
control	89	66(74.1)	29(32.8)	42.0 ± 1.5(28)a
Day 0 to 3	89	66(74.2)	30(33.9)	45.3 ± 1.7(29)a
Day 4 to 7	89	69(77.6)	28(31.4)	46.4 ± 1.9(28)a,b
Day 0 to 7	89	65(73.2)	31(34.9)	51.2 ± 2.1(31)b

Values with different superscripts within the same column are significantly different (P < 0.05).

The data represent means ± SEM.

hrG-CSF: human recombinant granulocyte-colony stimulating factor.

* Number of replicates.

N Number of blastocysts examined.

† Percentage of total cultured oocytes.