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Table 1 In vitro maturation of cat oocytes retrieved from ovaries stored for different times at 4 °C

From: Structure of preantral follicles, oxidative status and developmental competence of in vitro matured oocytes after ovary storage at 4 °C in the domestic cat model

Nuclear configuration after IVM
Storage time (h) n° oocytes GV (%) GVBD/MI (%) MII (%) Deg (%)
0 109 25 (22.9%)a 14 (12.8%) 67 (61.5%)a 3 (2.8%)a
24 114 24 (21.1%)a 8 (7.0%) 70 (61.4%)a 12 (10.5%)b
48 83 11 (13.2%)a 4 (4.8%) 58 (69.9%)a 10 (12.1%)b
72 58 16 (27.6%)a 2 (3.5%) 19 (32.7%)b 21 (36.2%)c
96 62 28 (45.2%)b 4 (6.5%) 11 (17.7%)b 19 (30.6%)c
  1. GV germinal vesicle, GVBD germinal vesicle breakdown, MI metaphase I, MII metaphase II, Deg degenerated
  2. Different superscripts (a, b, c) P < 0.05