culture systems (synthetic oviduct fluid medium-SOF-without fetal calf serum, SOF
supplemented with 10% serum for the entire culture period, SOF supplemented with 10%
serum from Day 4 of culture, M199 coculture with bovine oviduct epithelial cells, M199
coculture with granulosa cell monolayer) and 1 in vivo culture system involving collection of
blastocysts from superovulated bovine donors at Day 7. Zygotes obtained from IVM/IVF were …