Fig. 1 a) Juvenile calf oocytes after IVM; b) cleavage-stage embryos 96 h postinsemination; c) in vitro-developed blastocysts; and d) 4 male and 3 female.

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Fig. 1 a) Juvenile calf oocytes after IVM; b) cleavage-stage embryos 96 h postinsemination; c) in vitro-developed blastocysts; and d) 4 male and 3 female calves born through the transfer of IVP calf embryos Developmental Competence of Juvenile Calf Oocytes In Vitro and In Vivo: Influence of Donor Animal Variation and Repeated Gonadotropin Stimulation1 Biol Reprod. 2000;62(1):206-213. doi:10.1095/biolreprod62.1.206 Biol Reprod | © 2000 by the Society for the Study of Reproduction, Inc.

Fig. 2 Variation among juvenile donor calves in the number of laparoscopically observed ovarian follicles prior to the start of gonadotropin treatment at 2–3 mo of age and subsequent stimulation response. Oocytes from all the calves except for donors I and J resulted in in vitro embryo production Developmental Competence of Juvenile Calf Oocytes In Vitro and In Vivo: Influence of Donor Animal Variation and Repeated Gonadotropin Stimulation1 Biol Reprod. 2000;62(1):206-213. doi:10.1095/biolreprod62.1.206 Biol Reprod | © 2000 by the Society for the Study of Reproduction, Inc.

Fig. 3 Mean (± SE) number of follicles aspirated and oocytes recovered from stimulated juvenile calves, laparoscopically observed to have ≥ 20 (high responders, solid bars) or < 20 prestimulation follicles (low responders, open bars) (a–b P < 0.01, c–d P < 0.05, e–f P < 0.1) Developmental Competence of Juvenile Calf Oocytes In Vitro and In Vivo: Influence of Donor Animal Variation and Repeated Gonadotropin Stimulation1 Biol Reprod. 2000;62(1):206-213. doi:10.1095/biolreprod62.1.206 Biol Reprod | © 2000 by the Society for the Study of Reproduction, Inc.