Abstract:

The technique of juvenile lamb in reproduction over early is an integrative embryonic biotechnique system including superovulation, ovum pick-up, fertilization in vitro, embryo transfer etc. According to the characteristic of prepubertal lambs (1-2 month) ovaries, which are sensitive to hormone and have less atresia, the technique of induction lamb follicular development (shortened form “juvenile lambs superovulation ”) is effective in obtaining oocytes from sheep ovary. The prospect and present situation of over early use significance of juvenile lamb are overviewed from significance, superovulation, fertilization in vitro and embryo transfer etc aspects in this paper.