Control

Test

P Value

Animals eligible to be bred, #

1422

1235

Heat observed, %

66.2

61.4

<0.001

% Bred that became pregnant

20.6

30.8

<0.001

Pregnancy rate, %

14.8

22.4

<0.001

Services/conception

5.48

2.89

<0.001

Abortions, %

1.23

0.82

0.066