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Table 3 IVM of porcine oocytes after vitrification

From: An efficiency comparison of different in vitro fertilization methods: IVF, ICSI, and PICSI for embryo development to the blastocyst stage from vitrified porcine immature oocytes

Treatment Total Oocyte
n
Maturation MII (%) Meiotic stages (%)
    GV MI GVB
Control (DO-GC) 100 46 (46 ± 4)a 49 (49 ± 1.8)a 5 (5 ± 0.3)a 51 (51 ± 1.2)a
Vitrification 121 65 (54 ± 1.2)a 44 (36 ± 4.3)b 12 (10 ± 0.6)a 77 (64 ± 3.2)b
  1. Percentage data are presented as mean ± SD values
  2. DO-GC Denuded oocytes cultured with granulosa cells, GV Germinal vesicle, MI Metaphase I, MII Metaphase II, GVB Germinal vesicle breakdown (MI + MII), n number of oocytes examined
  3. a,bValues in the same column with different letters are significantly different (P < 0.05)