Control

Test

P Value

Animals eligible to be bred, #

1083

1001

Heat observed, %

60.5

61.25

0.822

% Bred that became pregnant

29.75

38.25

<0.001

Pregnancy rate, %

17.75

22

0.037

Services/conception

3.16

2.24

0.012

Abortions, %

9.2

5.6

0.101