Table 2. Treatment with CNP during prematuration improved the developmental competence of goat oocytes matured in vitro.

Group	No. of mature oocytes	Cleaved (%)	Blastocyst/Cleaved (%)
conventional maturation medium	154	72.67±0.50 a (112/154)	30.24±5.60 a (34/112)
Two-step	147	84.24±1.14 b (124/147)	44.80±3.16 b (55/124)

Note: Values are expressed as means % ± SD.

^a-b Different superscripts within the same column are significantly different (P<0.05).