Research Article

Oocyte Source and Hormonal Stimulation for In Vitro Fertilization Using Sexed Spermatozoa in Cattle

Table 1

Embryo production (%) using nonsexed and sexed sperm on slaughterhouse and OPU derived COCs.

Oocyte sourceNo. of ReplicatesNo. oocytes Cleavage (%) (mean ± SEM) Blastocyst (%) (mean ± SEM)

Nonsexed (SH)410675.8 ± 2.3a39.8 ± 2.4a
Sexed (SH)413357.1 ± 7.8b25.0 ± 6.1b
Sexed without FSH (OPU)412141.2 ± 6.1b12.8 ± 2.3c
Sexed with FSH (OPU)410148.4 ± 8.9b25.2 ± 5.0b
𝑃 value.001.001

𝑃 values were compared within the same column. SH, slaughterhouse; OPU, ovum pickup.