Parameter | RCC Cow (Mean ± SD) | RCC Heifer (Mean ± SD) | p-value |
Duration of the estrous cycle (days) | 21.00 ± 1.50 | 20.00 ± 1.10 | 0.055 |
Number of waves | 2 | 2 | NA |
Emergence of wave 1 (day of the estrus cycle) | 2.00 ± 1.50 | 1.00 ± 1.84 | 0.065 |
Number of follicles in wave 1 | 8.00 ± 1.50 | 5.00 ± 1.70 | 0.051 |
Deviation of wave 1 (day of the estrus cycle) | 4.00 ± 1.10 | 4.00 ± 1.44 | 0.053 |
Diameter of the deviation of wave 1 (mm) | 8.00 ± 1.70 | 8.00 ± 1.17 | 0.065 |
Emergence of wave 2 (day of the estrus cycle) | 12.00 ± 2.10 | 12.00 ± 1.50 | 0.06 |
Number of follicles in wave 2 | 6.50 ± 1.70 | 6.00 ± 1.90 | 0.051 |
Deviation of wave 2 (day of the estrus cycle) | 14.00 ± 2.10 | 15.00 ± 1.10 | 0.054 |
Diameter of the deviation of wave 2 (mm) | 8.00 ± 1.16 | 8.80 ± 0.50 | 0.062 |
Diameter of the preovulatory follicle (mm) | 12.00 ± 1.70 | 11.00 ± 1.50 | 0.066 |