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Table 1 Collection schedule of the pre-implantation embryos at different developmental stages

From: Specific gene-regulation networks during the pre-implantation development of the pig embryo as revealed by deep sequencing

  Oocyte 1-cell 2-cell 4-cell 8-cell Morula ICM TE
Mouse embryos* 14 h 24–26 h 36 h 48 h 60 h 72 h 96 h 96 h
Pig in vivo embryos** 24 h after estrus 24 h 40–45 h 65–72 h 84–90 h 108–115 h 156–160 h 156–160 h
Pig SCNT embryos*** In vitro matured 24 h 40 h 65–72 h 84–90 h 108–115 h 156–160 h 156–160 h
  1. *collected N hours after hCG injection; **collected N hours after natural mating; ***collected N hours after activation.