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Table 2 Phases of follicular development during 2-wave and 3-wave interovulatory intervals

From: Ovarian follicular activity and hormonal profile during estrous cycle in cows: the development of 2 versus 3 waves

  2-wave interovulatory interval 3-wave interovulatory interval
  Maximum follicular diameter (mm) Estradiol concentration (Range pg/ml) Maximum follicular diameter (mm) Estradiol concentration (Range pg/ml)
Anovulatory follicles     
Growth phase 6.8 ± 0.2 3.54 – 5.66 7.3 ± 0.2 3.93 – 5.68
Static phase 6.8 ± 0.1 5.66 – 4.14 7.3 ± 0.1 5.68 – 4.14
Regression phase 6.1 ± 0.2 4.14 – 5.70 6.3 ± 0.1 4.14 – 5.25
Ovulatory follicles     
Interval from detection to ovulation 10.9 ± 0.3 5.46 – 6.57 11.0 ± 0.9 5.35 – 6.94
  1. Values are means ± SEM.