Epididymis

Ejaculate

Cleavage (%, mean ± SEM)

1042/1864

(56.02 ± 1.96)^a

1129/1889

(60.11 ± 3.65)^b

Blastocyst formation (%, mean ± SEM)

265/1864

(14.31 ± 2.11)^a

321/1889

(17.23 ± 2.66)^b

Hatching blastocyst (%, mean ± SEM)

42/1864

(2.34 ± 1.68)^a

71/1889

(3.78^b ± 2.42)^b

Average number of cells/blastocyst

50.02 ± 2.89

50.18 ± 2.97