December 11, Next Reports Eight Calves Cloned from Somatic Cells of a Single Adult Yoko Kato, Tetsuya Tani, Yusuke Sotomaru, Kazuo Kurokawa, Jun-ya Kato, Hiroshi Doguchi, Hiroshi Yasue, Yukio Tsunoda * Eight calves were derived from differentiated cells of a single adult cow, five from cumulus cells and three from oviductal cells out of 10 embryos transferred to surrogate cows (80 percent success).
August 18, Larger Version of this Image (106K GIF file) A fourth surrogate in series C maintained pregnancy after the oviductal transfer of 36 cloned embryos that were derived from fibroblast cultures at passage two.