Table 2 Effects of melatonin on polyspermic penetration incidence in porcine oocytes.

From: Melatonin decreases excessive polyspermy for single oocyte in pigs through the MT2 receptor

Groups

No. of MII

Oocytes1

No. of fertilization status (Mean ± SEM, %)

Normal fertilized (%)

≥ 3PN2(%)

Nonfertilized (%)

Control

161

41

(29.0 ± 3.3)b

98

(58.8 ± 1.2)a

22

(14.8 ± 0.7)

Melatonin3

137

70

(53.7 ± 0.5)a

49

(33.4 ± 1.7)b

18

(12.9 ± 2.2)

Mtn + Lu4

160

42

(27.7 ± 2.0)b

99

(58.6 ± 1.0)a

19

(13.7 ± 2.7)

Mtn + 4P5

140

36

(27.2 ± 1.5)b

89

(61.1 ± 1.5)a

15

(11.7 ± 2.9)

  1. a, b Values with different superscript letters indicate statistical significance (P < 0.05).
  2. 1The experiment was replicated on three occasions.
  3. 2PN, pronuclei.
  4. 3Melatonin: 10−9 M Melatonin.
  5. 4Mtn + Lu: 10−9 M Melatonin + 10−9 M Luzindole.
  6. 5Mtn + 4P: 10−9 M Melatonin + 10−9 M 4-P-PDOT.
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