Table 2.
Groups | No. of MII Oocytes | No. of Cleavage Embryos (%) | No. of Blastocysts (%) | No. of D8 Hatched Blastocysts (%) |
---|---|---|---|---|
IOs | 215 | 142 (66.15 ± 2.64) Aa | 47 (33.1 ± 0.87) Aa | 3 (6.4 ± 2.36) Aa |
IOs + MT | 228 | 182 (79.8 ± 2.42) ABb | 70 (38.5 ± 1.11) ABb | 9 (12.9 ± 2.99) ABa |
COCs | 369 | 334 (90.5 ± 0.60) Bc | 147 (44.0 ± 0.74) Bc | 42 (28.6 ± 1.01) Bb |
a,b,c Values with different superscripts represent significant difference within the same column (p < 0.05); A,B Values with different superscripts represent highly significant difference within the same column (p < 0.01), IOs, inferior bovine oocytes; MT, melatonin; COCs, cumulus–oocyte complexes.