From: The involvement of beta-1,4-galactosyltransferase and N-acetylglucosamine residues in fertilization has been lost in the horse
Groups
UDP Galactose
UDP Glucose
No additive
Fresh semen
No. Oocytes
35
34
33
Spermatozoa/oocyte
(mean ± SEM, n = 3)
42 ± 6
47 ± 7
64 ± 11
Frozen semen
37
38
(mean ± SEM, n = 2)
29 ± 3
30 ± 2
28 ± 2