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

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

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

ISSN: 2662-4044