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Table 2 In vitro embryo development after in vitro fertilization 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

Storage time (h) n°oocytes fertilized n°cleaved embryos n°blastocysts/ cleaved/embryos n°blastocysts/ total oocytes Blastocyst cell number (mean ± SD)
0 56 25 (44.6%)a 15 (60%) a 15 (26.8%) a 178.5 ± 40.5 a
24 48 19 (39.6%) a 11 (57.9%) a 11 (22.9%) a 171.9 ± 44.6 a
48 43 16 (37.2%) a 1 (6.2%) b 1 (2.3%) b 98 b
72 41 2 (4.9%)b 0 (0%) b 0 (0%) b
96 39 0 (0%) b 0 (0%) b 0 (0%) b
  1. Different superscripts (a, b) P < 0.05