Item

Treatmentsa

P-value

Contrast

LRUP

HRUP

LRUP + E

LRUP + HRUP vs. LRUP + E

LRUP vs. HRUP

Progesterone, %

29

30

57

0.04

Cervical score

1.5

1.7

1.9

0.13

0.12

0.16

Pregnancy, %

74

81

65

0.40

Average

Calving date following year

2-24-00

2-25-00

2-21-00

0.30