Table 4. Effect of melatonin on the development of bovine parthenogenetic embryos.
| Melatonin (pmol/mL) | Parthenogenetic embryos (n) | Rate of cleavage (%±s.e.m ) | Rate of morula (%±s.e.m) | Rate of blastocyst (%±s.e.m) |
|---|---|---|---|---|
| 0 | 133 | 44.44 ± 6.77a (59/133) | 30.86 ± 6.63a (41/133) | 14.43 ± 7.48a (9/59) |
| 10 | 140 | 67.25 ± 13.35b (95/140) | 48.21 ± 10.65b (68/140) | 19.55 ± 3.55a (19/95) |
| 20 | 149 | 69.03 ± 9.85b (103/149) | 51.33 ± 20.22b (45/149) | 20.01 ± 9.57a (21/103) |
| 30 | 145 | 66.76 ± 11.54b (96/145) | 52.96 ± 10.73b (46/145) | 22.02 ± 4.44b (21/96) |
Notes.
The data with different letters indicates the level of significance in column (P < 0.05).