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