Performance of a modified ovum pick-up system using three different FSH stimulation protocols in ewes

Baldassarre, 1994, In vitro maturation and fertilization of sheep oocytes collected by laparoscopic folliculocentesis, Theriogenology, 41, 159, 10.1016/S0093-691X(05)80069-X Baldassarre, 1996, In vitro production of sheep embryos using laparoscopic folliculocentesis: alternative gonadotrophin treatments for stimulation of oocyte donors, Theriogenology, 45, 707, 10.1016/0093-691X(95)00417-7 Besenfelder, 2000, Oocyte collection, Reprod. Domestic Anim., 6, 38 Broadbent, 1996, Effect of frequency of follicle aspiration on oocyte yield and subsequent superovulatory response in cattle, Theriogenology, 47, 1027, 10.1016/S0093-691X(97)00060-5 Cognie, 1999, State of the art in sheep-goat embryo transfer, Theriogenology, 51, 105, 10.1016/S0093-691X(98)00235-0 Cognie, 1998, Effect of follicle size and the Fec Booroola gene on oocyte function in sheep, J. Reprod. Fertil., 112, 379, 10.1530/jrf.0.1120379 Forcada, 1992, Seasonal changes in oestrus activity and ovulation rate in Rasa Aragonesa ewes maintained at two different body condition levels, Small Rumin Res., 8, 313, 10.1016/0921-4488(92)90212-M Lajous, D., Joly, T., Baril, G., Cognie, Y., Beckers, J., 1997. Superovulatory response and quality of embryos recovered from Romanov ewes after a single injection of oFSH dissolved in PVP. In: Proceedings of the 13th Meeting Association Eur. Trans. Emb. Lyon, France (AETE), p. 166 (Abstract). Rodriguez, 2000, Follicular population and oocyte recovery in lambs treated with two different protocols of FSH, Theriogenology, 53, 507 Rodriguez, C., Anel, E., Anel, L., Kaabi, M., Boixo, J., Paz, P., Olmedo, J., 2000b. Ovine oocyte recovery efficiency with different aspiration flows. In: Proceedings of the 14th International Congress on Animal Reproduction, Vol. 2. Stockholm, Sweden, p. 141. SAS Institute Inc., 1989. SAS/STAT User’s Guide, Version 6, 4th Edition, Vol. 2. SAS Institute Inc., Cary, NC, 846 pp. Sirard, 1999, The time interval between FSH administration and ovarian aspiration influences the development of cattle oocytes, Theriogenology, 51, 699, 10.1016/S0093-691X(99)00019-9 Stangl, 1999, Repeated endoscopic ovum pick-up in sheep, Theriogenology, 52, 709, 10.1016/S0093-691X(99)00164-8 Tervit, 1992, Laparoscopic recovery of oocytes from sheep, Proc. Aust. Soc. Reprod. Biol., 24, 26 Tervit, 1996, Laparoscopy/laparotomy oocyte recovery and juvenile breeding, Anim. Reprod. Sci., 42, 227, 10.1016/0378-4320(96)01533-3