In vitroculture and somatic cell nuclear transfer affect imprinting of SNRPN gene in pre- and post-implantation stages of development in cattle

Table 1 Survival rates of bovine oocytes subjected to AI, IVF and SCNT at pre- and postimplantation stages of development.

		Embryos recovered from uterus
Group	Blastocyst development to day 7.5	day 17*	day 40*
AI	-	3	3 (75%)**
IVF	27 (34%)	5 (50%)	3 (50%)
SCNT	26 (28%)	6 (45%)	3 (30%)

* percentage of embryos were calculated from the total number of transferred embryos.
** percentage of pregnancy was calculated from the total number of AI.

ISSN: 1471-213X