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Table 3 Number of fresh or frozen spermatozoa bound to the zona pellucida per oocyte incubated with or without purified GalTase.

From: The involvement of beta-1,4-galactosyltransferase and N-acetylglucosamine residues in fertilization has been lost in the horse

Groups   Galactosyltransferase No additive
Fresh semen No. Oocytes 43 42
  Spermatozoa/oocyte (mean ± SEM, n = 3) 99 ± 6 104 ± 12
Frozen semen No. Oocytes 40 40
  Spermatozoa/oocyte (mean ± SEM, n = 2) 89 ± 5 91 ± 7
  1. No statistical difference was observed between the columns in the same line (for fresh semen F = 0.14 and p = 0.70, for frozen semen F = 0.06 and p = 0.80)
  2. n: number of replicates