Table 2. Summary of nuclear transfer results.

No. of cell clone	Oocytes	Re-construct embryos	Blastocysts	Recipients	Pregnacy at 3 months(%)	Birth rate
BSSL-1#	73	35	0	0	0	0
BSSL-2#	421	268	145	17	6(35%)	3(17.6%)

Birth rate of transgenic cows after nuclear transfer.