Table 1.

Fusion Rate and Cloned Embryo Development Reconstructed from Xenopus Egg Extract-Treated and Nontreated Donor Cells

	No. of oocytes		SCNT embryo development
Xenopus egg extract treatment	Total enucleated	Fused (% enucleated)	Cleaved (% fused)	Blastocyst (% fused)	No. of nuclei in blastocysts
Control	305	250 (82.3±3.0)	185 (72.2±3.7)	25 (9.1±1.9)*	36.0±3.6**
Treated	413	323 (78.6±3.0)	236 (72.4±3.7)	42 (13.4±1.9)*	39.7±2.5**

^*p=0.01

^**p=0.05.

SCNT, somatic cell nuclear transfer.