Items | Treatments | P-value | ||||
---|---|---|---|---|---|---|
DF 1.0 | DF 1.5 | DF 1.75 | DF 2.0 | Linear | Quadratic | |
No. of COCs collected per gilt | 23.3 ± 1.4 | 21.2 ± 1.2 | 22.2 ± 0.9 | 22.5 ± 2.3 | 0.695 | 0.403 |
No. of oocytes for in vitro maturation | 15.5 ± 0.2 | 15.7 ± 0.2 | 15.7 ± 0.2 | 15.5 ± 0.2 | 0.898 | 0.467 |
Expansion rate, % | 86.9 ± 5.9 | 89.5 ± 3.5 | 91.5 ± 2.1 | 93.6 ± 3.3 | 0.232 | 0.876 |
Rate of oocytes with first polar body, % | 37.7 ± 3.2c | 41.6 ± 3.0bc | 57.5 ± 2.5a | 50.6 ± 2.3ab | 0.001 | 0.568 |