Drost M, Alexiev A, Vlahov K, Karaivanov C, Cripe W S, Leonards A P, Kacheva D, Polihronov O, Nicolov N, Petrov M, Dragoev A
College of Veterinary Medicine, University of Florida, Gainesville, FL, USA.
Theriogenology. 1988 Oct;30(4):659-68. doi: 10.1016/0093-691x(88)90301-9.
Forty-one Day 5.0 to Day 5.5 embryos and one unfertilized ovum were recovered nonsurgically from 24 superovulated, parous buffalo (Bubalus bubalis ) and transferred nonsurgically to 28 synchronized recipients by a team of Bulgarian and American scientists. Five pregnancies were established and four live buffalo calves were born at the end of normal gestation periods.
保加利亚和美国的一组科学家从24头经超数排卵处理的经产水牛（水牛属）中通过非手术方式回收了41个第5.0至5.5天的胚胎和1个未受精卵，并将其非手术移植到28个同期受体中。成功建立了5例妊娠，在正常妊娠期结束时产下了4头活体水牛犊。
