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Table 4 Number of fresh or frozen spermatozoa bound to the zona pellucida of oocytes incubated with or without anti-ZPC antibodies.

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

Groups   Anti-ZPC antibodies No additive
Fresh semen No. Oocytes 31 32
  Spermatozoa/oocyte (mean ± SEM, n = 2) 60 ± 6 58 ± 5
Frozen semen No. Oocytes 39 39
  Spermatozoa/oocyte (mean ± SEM, n = 2) 71 ± 7 64 ± 8
  1. No statistical difference was observed between the columns in the same line (for fresh semen F = 0.05 and p = 0.82, for frozen semen F = 0.44 and p = 0.51)
  2. n: number of replicates