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Table 1 Effect of 10 ng/mL colony stimulating factor 2 (CSF2) from day 5 to 7 on development of putative zygotes to the blastocyst stage

From: Determinants of survival of the bovine blastocyst to cryopreservation stress: treatment with colony stimulating factor 2 during the morula-to-blastocyst transition and embryo sex

Treatment No. of replicates No. of presumptive zygotes Zygotes that became blastocysts (%)a Blastocysts that were advanced (%)abc Blastocysts that were hatched or hatching (%)ac
Vehicle 25 2987 22.1 ± 1.4 57.2 ± 3.2 9.8 ± 1.4
CSF2 25 3045 24.7 ± 1.5 58.8 ± 3.1 12.2 ± 1.5
P    0.024 0.558 0.140
  1. aData are least-squares means ± SEM
  2. bAdvanced blastocysts were those that were expanded, hatching or hatched
  3. cCalculated as a percent of all blastocysts